REFEREED/INVITED PUBLICATIONS

1. Hatice Kose-Bagci, Ester Ferrari, Kerstin Dautenhahn, Dag S. Syrdal, Chrystopher L. Nehaniv, "Effects of Embodiment and Gestures on Social Interaction in Drumming Games with a Humanoid Robot", Advanced Robotics 23(14): 1951-1996, 2009.
   [ISSN 0169-1864, Online ISSN: 1568-5535] DOI:10.1163/016918609X12518783330360

2. Hatice Kose-Bagci, Kerstin Dautenhahn, Dag S. Syrdal and Chrystopher L. Nehaniv, "Drum-mate: Interaction dynamics and gestures in human-humanoid drumming experiments", Connection Science, in press..

3. Kerstin Dautenhahn, Chrystopher L. Nehaniv, Michael L. Walters, Ben Robins, Hatice Kose-Bagci, N. Assif Mirza, Michael Blow, "KASPAR - A Minimally Expressive Humanoid Robot for Human-Robot Interaction Research. to appear in Special Issue on "Humanoid Robots", Applied Bionics and Biomechanics, published by Taylor and Francis, in press.

4. Frank Förster, Chrystopher L. Nehaniv, & Joe Saunders, Robots that Say 'No', Proc. European Conference on Artificial Life (ECAL 2009), in press.

5. Tom Anthony, D. Polani, C. L. Nehaniv, Impoverished Empowerment: `Meaningful' Action Sequence Generation through Bandwidth Limitation, Proc. European Conference on Artificial Life (ECAL 2009), in press.

6. Sander van Dijk, Daniel Polani, C. L. Nehaniv, Hierarchical Behaviours: Getting the Most Bang for your Bit, Proc. European Conference on Artificial Life (ECAL 2009), in press.

7. M. Buck & C. L. Nehaniv, "Looking for Evidence of Differentiation and Cooperation: Natural Measures for the Study of Evolution of Multicellularity", Advances in Complex Systems, Vol. 12, No. 3, pp. 255-271.
   [ISSN: 0219-5259 print, ISSN: 1793-6802 online] DOI No: 10.1142/S0219525909002222

8. N. Oros & C. L. Nehaniv, "Dude, Where is My Sex Gene? --- Persistence of Sex over Evolutionary Time in Cellular Automata", Proc. 2nd International IEEE Symposium on Artificial Life (Nashville, Tennessee, USA - 30 March-2 April 2009) (in press).
   [Winner of Best Student Paper Award]

9. J. Saunders, C. Lyon, F. Förster, C. L. Nehaniv & K. Dautenhahn, "A Constructivist Approach to Robot Language Learning via Simulated Babbling and Holophrase Extraction", Proc. 2nd International IEEE Symposium on Artificial Life (Nashville, Tennessee, USA - 30 March-2 April 2009) (in press).

10. H. Kose-Bagci, K. Dautenhahn, and C. L. Nehaniv (2009), Drumming with a Humanoid Robot: Lessons Learnt from Designing and Analysing Human-Robot Interaction Studies, Proc. AAAI - Spring Symposium 2009: Experimental Design for Real-World Systems, Stanford University, Palo Alto, California, March 22-25, 2009, AAAI Technical Report SS-09-03, AAAI Press, pp.25-32.

11. Alexander S. Klyubin, Daniel Polani, Chrystopher L. Nehaniv, "Keep Your Options Open: An Information-Based Driving Principle for Sensorimotor Systems", PLoS ONE 3(12): e4018. doi:10.1371/journal.pone.0004018, 24 December 2008.

12. N. A. Mirza, C. L. Nehaniv, K. Dautenhahn, R. te Boekhorst, "Developing Social Action Capabilities in a Humanoid Robot using an Interaction History Architecture", Humanoids 2008, IEEE Press.

13. Gábor Horváth, Chrystopher L. Nehaniv, and Csaba Szabó, "An Assertion Corncerning Functionally Complete Algebras and NP-completeness", Theoretical Computer Science, Vol. 407, 591-595, 2008.
    [ISSN: 0304-3975]

14. A. Egri-Nagy & C. L. Nehaniv, "Hierarchical Coordinate Systems for Understanding Complexity and Its Evolution, With Applications to Genetic Regulatory Networks", Artificial Life (Special Issue on Evolution of Complexity), 14(3):299-312, 2008.
    [ISSN: 1064-5462]

15. M. Buck & C. L. Nehaniv, "Looking for Evidence of Differentiation and Multicellular Cooperation", Proceedings of the 8th German Workshop on Artificial Life (GWAL8) - Leipzig, Germany, 30 July-1 August 2008.

16. A. Egri-Nagy, C. L. Nehaniv, J. L. Rhodes, & M. J. Schilstra, "Automatic Analysis of Computation in BioChemical Reactions", BioSystems, 94(1-2):126-134, 2008.
    [ISSN: 0303-2647]

17. A. Egri-Nagy & C. L. Nehaniv, "Algebraic Properties of Automata Associated to Petri Nets and Applications to Computation in Biological Systems", BioSystems, 94(1-2):135-144, 2008.
    [ISSN: 0303-2647]

18. M. Buck & C. L. Nehaniv, "Communication and Complexity in a GRN-based Multicellular System for Graph Colouring", BioSystems 94(1-2):28-33, 2008.
    [ISSN: 0303-2647]

19. J. F. Knabe, C. L. Nehaniv, & M. J. Schlilstra, "Do Motifs Reflect Evolved Function? - No Convergent Evolution of Genetic Regulatory Network Subgraph Topologies", BioSystems 94(1-2):68-74, 2008.
    [ISSN: 0303-2647]

20. J. F. Knabe, M. J. Schilstra, & C. L. Nehaniv, "Evolution and Morphogenesis of Differentiated Multicellular Organisms: Autonomously Generated Diffusion Gradients for Positional Information", Artificial Life XI, MIT Press, 2008.

21. J. Saunders, C. L. Nehaniv & K. Dautenhahn, "What is an Appropriate Theory of Imitation for a Robot Learner?", Proc. ECSIS Symposium on Learning and Adaptive Behavior in Robotic Systems, LAB-RS 2008 (Edinburgh, Scotland, UK), 6-8 August 2008, IEEE Computer Society Press.

22. H. Köse-Bagci, K. Dautenhahn, & C. L. Nehaniv, "Drumming with a Humanoid Robot: Results from Human-Robot Interaction Studies", Proc. ECSIS Symposium on Learning and Adaptive Behavior in Robotic Systems, LAB-RS 2008 (Edinburgh, Scotland, UK), 6-8 August 2008, IEEE Computer Society Press [extended abstract of invited talk].

23. N. A. Mirza, C. L. Nehaniv, K. Dautenhahn, R. te Boekhorst, "Anticipating Future Experience using Grounded Sensorimotor Informational Relationships", Artificial Life XI, MIT Press, 2008.

24. H. Köse-Bagci, K. Dautenhahn, C. L. Nehaniv, "Emergent Dynamics of Turn-Taking Interaction in Drumming Games with a Humanoid Robot", Proc. 17th IEEE International Symposium on Robot and Human Interactive Communication (August 1-3, 2008, Technische Universität München, Munich, Germany), 2008.

25. T. Anthony, D. Polani, & C. L. Nehaniv, "On Preferred States of Agents: how Global Structure is reflected in Local Structure", Artificial Life XI, MIT Press, 2008.

26. P. Capdepuy, D. Polani, & C. L. Nehaniv, "Adaptation of the Perception-Action Loop Using Active Channel Sampling ", Proc. NASA/ESA Conference on Adaptive Hardware and Systems (AHS-2008), June 22-25, 2008 European Space Research and Technology Centre (ESTEC), European Space Agency (ESA) Noordwijk, The Netherlands, IEEE Computer Society Press.

27. N. Otero, C. L. Nehaniv, D. S. Syrdal, K. Dautenhahn, "Naturally Occurring Gestures in a Human-Robot Interaction Teaching Scenario", Interaction Studies: Social Behaviour and Communication in Biological and Artificial Systems, (in press)
    [ISSN: 1572-0373]

28. J. F. Knabe, C. L. Nehaniv, & M. J. Schilstra, "Regulation of Gene Regulation - Smooth Binding with Dynamic Affinity affects Evolvability", Proc. IEEE World Congress on Computational Intelligence (June 1-6, 2008 - Hong Kong) - IEEE Congress on Evolutionary Computation 2008 Special Session on Evolving Genetic Regulatory Networks, IEEE Press, 2008.

29. N. Otero, J. Saunders, K. Dautenhahn, C. L. Nehaniv, "Teaching robot companions: the role of scaffolding and event structuring", Connection Science, vol. 20(2-3):111-134, 2008.
    [ISSN 0954-0091, ISSN Online 1360-0494]

30. W. C. Ho, K. Dautenhahn, C. L. Nehaniv, "Computational memory architectures for autobiographic agents interacting in a complex virtual environment: a working model ", Connection Science, vol. 20(1):21-65, 2008.
    [ISSN 0954-0091, ISSN Online 1360-0494]

31. Maria J. Schilstra and Chrystopher L. Nehaniv, "Bio-Logic: Gene Expression and the Laws of Combinatorial Logic", Artificial Life special issue on Systems Biology, 14(1):121-133, 2008.
    [ISSN: 1064-5462]

32. Johannes F. Knabe, Chrystopher L. Nehaniv, and Maria J. Schilstra, "Genetic Regulatory Network models of Biological Clocks: Evolutionary History Matters", Artificial Life special issue on Systems Biology, 14(1):135-148, 2008.
    [ISSN: 1064-5462]

33. R. te Boekhorst, I. Abnizova, C. Nehaniv, "Discriminating coding, non-coding and regulatory regions using rescaled range and detrended fluctuation analysis", BioSystems, 91(1):183-194, 2008.
    [ISSN: 0303-2647]

34. C. L. Nehaniv, D. Polani, L. Olsson, A. S. Klyubin, "Information-Theoretic Modeling of Sensory Ecology: Channels of Organism-Specific Meaningful Informaiton", Modeling Biology: Structures, Behavior, Evolution (Manfred D. Laubichler & Gerd B. Müller, Editors), The Vienna Series in Theoretical Biology, MIT Press, pp. 241-281, 2007.
    [ISBN 978-0-262-12291-7]

35. A. S. Klyubin, D. Polani, & C. L. Nehaniv, "Representations of Space and Time in the Maximization of Information Flow in the Perception-Action Loop", Neural Computation, 19: 2387-2432 (2007).
    [ISSN (printed) 0899-7667, ISSN (electronic): 1530-888X].

36. Chrystopher L. Nehaniv, Naeem Assif Mirza, and Lars Olsson, "Development via Information Self-structuring of Sensorimotor Experience and Interaction", book chapter for edited collection based on invited lecture at the 50th Anniversary Summit of Artificial Intelligence (Monte Verita, Switzerland - 9-14 July 2006), M. Lungarella et al. (Eds.): 50 Years of AI, Festschrift, LNAI 4850, pp. 87-98, 2007.

37. A. Egri-Nagy, C. L. Nehaniv, "Finite residue class rings of integers modulo n from the viewpoint of global semigroup theory", Semigroups and Formal Languages (Proceedings of the International Conference in Honour of the 65th birthday of Donald B. McAlister), J. M. André, V. H. Fernandes, M. J. J. Branco, J. Fountain, G. M. S. Gomes, J. C. Meakin, editors, World Scientific Press, pp. 66-83, 2007.
    [ISBN 9812707387].

38. P. Capdepuy, D. Polani, & C. L. Nehaniv, "Grounding Action-Selection in Event-Based Anticipation", Advances in Artificial Life, Proc. 9th European Conference on Artificial Life (ECAL 2007, Lisbon, Portugal, September 10-14, 2007), Springer Lecture Notes in Computer Science, vol. 4548, pp. 253-262, 2007.

39. P. Capdepuy, D. Polani, & C. L. Nehaniv, "Constructing the Basic Umwelt of Artificial Agents: An Information-Theoretic Approach", Advances in Artificial Life, Proc. 9th European Conference on Artificial Life (ECAL 2007, Lisbon, Portugal, September 10-14, 2007), Springer Lecture Notes in Computer Science, vol. 4548, pp. 375-383, 2007.

40. Attila Egri-Nagy and Chrystopher L. Nehaniv, "Algebraic Properties of Automata Associated to Petri-Nets and Applications to Computation in Intermediary Metabolism", Proc. Seventh International Workshop on Information Processing in Cells and Tissues (IPCAT 2007), 29th - 31st August 2007, Jesus College, Oxford. pp. 306-316, 2007.
    [ISBN 978-80-87139-68-4]

41. Attila Egri-Nagy, Chrystopher L. Nehaniv, John L. Rhodes, & Maria J. Schilstra, "Krohn-Rhodes Analysis of Computation in BioChemical Reactions", Proc. Seventh International Workshop on Information Processing in Cells and Tissues (IPCAT 2007), 29th - 31st August 2007, Jesus College, Oxford. pp. 318-328, 2007.
    [ISBN 978-80-87139-68-4]

42. Chrystopher L. Nehaniv and Patrick Quick, "Emulation of Synchronous Automata Networks with Dynamically Changing Topologies by Asynchronous Automata Networks", Proc. Seventh International Workshop on Information Processing in Cells and Tissues (IPCAT 2007), 29th - 31st August 2007, Jesus College, Oxford. pp. 20-29, 2007
    [ISBN 978-80-87139-68-4]

43. Moritz Buck and Chrystopher L. Nehaniv, "Colouring Graphs using a GRN/Cell-based System", Proc. Seventh International Workshop on Information Processing in Cells and Tissues (IPCAT 2007), 29th - 31st August 2007, Jesus College, Oxford. pp. 113-120, 2007
    [ISBN 978-80-87139-68-4]

44. Johannes F. Knabe, Chrystopher L. Nehaniv and Maria J. Schilstra, "Unruly Motifs - No Convergent Evolution of Network Topologies", Proc. Seventh International Workshop on Information Processing in Cells and Tissues (IPCAT 2007), 29th - 31st August 2007, Jesus College, Oxford. PP. 182-191, 2007.
    [ISBN 978-80-87139-68-4]

45. Joe Saunders, Nuno Otero, and Chrystopher L. Nehaniv, "Issues in Human/Robot Task Structuring and Teaching", Proc. 16th IEEE International Symposium on Robot and Human Interactive Communication (IEEE Ro-Man 2007), Korea, August 26-29, 2007.

46. Megan Davis, Kerstin Dautenhahn, Chrystopher L. Nehaniv and Stuart D. Powell The narrative construction of our (social) world: steps towards an interactive learning environment for children with autism. Universal Access in the Information Society, Volume 6, Number 2 / September, 2007, pp. 145-157

47. M. Davis, N. Otero, K. Dautenhahn, C. Nehaniv, S. Powell, "Creating a software to promote understanding about narrative in children with autism", Proc. 6th IEEE International Conference on Development and Learning (ICDL-2007), Imperial College London, 11-13 July, pp. 64-69. [ISBN 1-4244-116-5]

48. Naeem Assif Mirza, Chrystopher L. Nehaniv, Kerstin Dautenhahn, René te Boekhorst, "Grounded Sensorimotor Interaction Histories in an Information Theoretic Metric Space for Robot Ontogeny", Adaptive Behavior, 15(2): 167-187 , 2007.
    [ISSN: 1059-7123 eISSN: 1741-2633]

49. Nicolas Oros and C. L. Nehaniv, "Sexyloop: Self-Reproduction, Evolution and Sex in Cellular Automata". The First IEEE Symposium on Artificial Life (April 1-5, 2007, Hawaii, USA), pp. 130-138, 2007.

50. Joe Saunders, Chrystopher L. Nehaniv, Kerstin Dautenhahn, and Aris Alissandrakis, "Self-Imitation and Environmental Scaffolding for Robot Teaching", International Journal of Advanced Robotics Systems, 4(1):109-124, 2007.
    [ISSN 1729-8806]

51. Philippe Capdepuy, Daniel Polani, and Chrystopher L. Nehaniv, "Maximization of Potential Information Flow as a Universal Utility for Collective Behaviour", The First IEEE Symposium on Artificial Life (April 1-5, 2007, Hawaii, USA), pp. 207-213, 2007.

52. Johannes F. Knabe, Chrystopher L. Nehaniv, and Maria J. Schilstra, "The Essential Motif That Wasn't There: Topological and Lesioning Analysis of Evolved Genetic Regulatory Networks", The First IEEE Symposium on Artificial Life (April 1-5, 2007, Hawaii, USA), pp. 69-76, 2007.

53. J. Saunders, C. L. Nehaniv & K. Dautenhahn, "Experimental Comparisons of Observational Learning Mechanisms for Movement Imitation in Mobile Robots", Interaction Studies: Social Behaviour and Communication in Biological and Artificial Systems, 8(2):307-335, 2007.
    [ISSN: 1572-0373]

54. A. Alissandrakis, C. L. Nehaniv, K. Dautenhahn, "Correspondence Mapping Induced State and Action Metrics for Robotic Imitation", IEEE Trans. Systems, Man, & Cybernetics, Part B, Special issue on Robot Learning by Observation, Demonstration and Imitation), 37(2):299-307, April 2007.
    [ISSN: 1083-4419]

55. Moritz Buck and Chrystopher Nehaniv, "Discrete Developmental Genetic Regulatory Networks for the Evolution of Cooperation", Developmental Systems: Papers from the AAAI Fall Symposium, S. Kumar, G. S. Hornby, and J. Bongard (Eds.), American Association for the Artificial Intelligence Press (Menlo Park, CA), pp. 9-15, 2006.
    [ISBN: 978-1-57735-301-0, AAAI TR: FS-06-03]

56. D. Polani, C. L. Nehaniv, A. S. Klyubin, & L. Olsson, "Information as Universal Organizing Principle for Perception-Action Loops of Embodied Agents", Künstliche Intelligenz, 3:35-38, 2006.

57. N. A. Mirza, C. L. Nehaniv, K. Dautenhahn & R. te Boekhorst, "Peekaboo: Effect of Experience Length on the Interaction History Driven Ontogeny of a Robot", Epigenetic Robotics 2006: Proc. Sixth International Conference on Epigenetic Robotics: Modeling Cognitive Development in Robotic Systems, 20-22 September 2006, Hopital de la Salpêtrière, Paris, France, , Lund University Cognitive Studies, Vol. 128, 2006.

58. Chrystopher L. Nehaniv, Jill Hewitt, Bruce Christianson and Paul Wernick, "What Software Evolution and Biological Evolution Don't Have in Common", Second International IEEE Workshop on Software Evolvability (Philadelphia, Pennsylvania, USA), IEEE Computer Society Press, pp. 58-65, 2006.
    [ISBN: 0-7695-2698-5]

59. P Wernick, T Hall, and C L Nehaniv, "Software Evolutionary Dynamics Modelled as an Actor Network", Second International IEEE Workshop on Software Evolvability (Philadelphia, Pennsylvania, USA), IEEE Computer Society Press, pp. 74-81, 2006.
    [ISBN: 0-7695-2698-5]

60. Bob Dickerson, Chrystopher L. Nehaniv, Paul Wernick, "Plus ça change... but what changes and what stays the same?", Second International IEEE Workshop on Software Evolvability (Philadelphia, Pennsylvania, USA), IEEE Computer Society Press, pp. 11-15, 2006.
    [ISBN: 0-7695-2698-5]

61. Megan Davis, Kerstin Dautenhahn, Chrystopher Nehaniv, and Stuart D. Powell, "TouchStory: Towards an Interactive Learning Environment for Helping Children with Autism to Understand Narrative" In: Computers Helping People with Special Needs: 10th International Conference, ICCHP 2006, Linz, Austria, July 11-13, 2006. Editors: Klaus Miesenberger, Joachim Klaus, Wolfgang Zagler, Arthur Karshmer, Springer Lecture Notes in Computer Science, Volume 4061, pp. 785 - 792, 2006.
    [ISBN: 3-540-36020-4, DOI: 10.1007/11788713, DOI: 10.1007/11788713_115]

62. N. Otero, S. Knoop, C. Nehaniv, D. S. Syrdal, K. Dautenhahn, and R. Dillman, "Distribution and Recognition of Gestures in Human-Robot Interaction", Proc. The 15th IEEE International Symposium on Robot and Human Interactive Communication (Ro-Man06), pp. 103-110, IEEE Computer Society Press, 2006.

63. Michael P Blow, Kerstin Dautenhahn, Andrew Appleby, Chrystopher Nehaniv, David Lee. Perception of Robot Smiles and Dimensions for Human-Robot Interaction Design. Proc. The 15th IEEE International Symposium on Robot and Human Interactive Communication (Ro-Man06), University of Hertfordshire, 6-8 September, 2006, Hatfield, UK, pp. 469-474, IEEE Compter Society Press, 2006.

64. N. Otero, C. Nehaniv, D. S. Syrdal, and K. Dautenhahn, "Naturally Occurring Gestures in a Human-Robot Teaching Scenario", Proc. The 15th IEEE International Symposium on Robot and Human Interactive Communication (Ro-Man06), pp. 533-540, IEEE Computer Society Press, 2006.

65. Joe Saunders, Chrystopher L. Nehaniv, Kerstin Dautenhahn, "Using Self-Imitation to Direct Learning", Special Session on Learning Through Imitation, Proc. IEEE Ro-Man 2006, 15th IEEE International Workshop on Robot and Human Interactive Communication, Hatfield, September 6-8, 2006, pp. 244-250, IEEE Computer Society Press, 2006.

66. Aris Alissandrakis, Chrystopher L. Nehaniv and Kerstin Dautenhahn, "Action, State and Effect Metrics for Robot Imitation". Proc. 15th IEEE International Symposium on Robot and Human Interactive Communication (Ro-Man 06), University of Hertfordshire, Hatfield, United Kingdom, 6-8 September, 2006, pp. 232-237, IEEE Computer Society Press.

67. Attila Egri-Nagy and Chrystopher L. Nehaniv, "Making Sense of the Sensory Data - Coordinate Systems by Hierarchical Decomposition", 10th International Conference on Knowledge-Based & Intelligent Information & Engineering Systems (KES'06), Springer Lecture Notes in Computer Science, Vol. 4253, pp. 333-340, 2006.
    [ISBN 978-3-540-46542-3]

68. Moritz Buck & Chrystopher L. Nehaniv, "Effect of Multi-Level Fitnesses on the Evolution of Multicellularity in Artificial Organisms", Explorations in the Complexity of Possible Life: Abstracting and Synthesizing the Principles of Living Systems (Proc. Seventh German Workshop on Artificial Life (GWAL 7) - July 26-28, 2006, Jena, Germany), S. Artmann and P. Dittrich (Eds), pp. 51-61, 2006.
    [ISBN 1-58603-644-0]

69. J. F. Knabe, C. L. Nehaniv & M. J. Schilstra, "Evolutionary Robustness of Differentiation in Genetic Regulatory Networks", Explorations in the Complexity of Possible Life: Abstracting and Synthesizing the Principles of Living Systems (Proc. Seventh German Workshop on Artificial Life (GWAL 7) - July 26-28, 2006, Jena, Germany), pp. 75-84, 2006.
    [ISBN 1-58603-644-0]

70. N. A. Mirza, C. L. Nehaniv, K. Dautenhahn, & R. te Boekhorst, "Interaction Histories: From Experience to Action and Back Again", Proc. Fifth International Conference on Development and Learning (May 31-June 3, 2006 - Bloomington, Indiana, USA), IEEE Computer Science Press, 2006.

71. A. Egri-Nagy and C. L. Nehaniv, "Hierarchical Decomposition - Coordinate Systems for Understanding Complexity", Proc. Workshop on the Evolution of Complexity at Artificial Life X (Bloomington, Indiana, USA), 2006.

72. J. F. Knabe, C. L. Nehaniv, M. Schilstra, T. Quick, "Evolving Biological Clocks using Genetic Regulatory Networks", Artificial Life X, MIT Press, 2006.

73. L. Olsson, C. L. Nehaniv, & D. Polani, "Measuring Informational Distances Between Sensors and Sensor Integration", Artificial Life X, MIT Press, 2006.

74. D. Polani, C. L. Nehaniv, T. Martinetz, & J. T. Kim, "Relevant Information in Optimized Persistence vs. Progeny Strategies", Artificial Life X, MIT Press, 2006.

75. T. Quick, C. L. Nehaniv, K. Dautenhahn, G. Roberts, "Evolving GRNs and Sensorimotor Information flow in Genetic Regulatory Network driven control systems", Artificial Life X, MIT Press, 2006.

76. A. Alissandrakis, C. L. Nehaniv, K. Dautenhahn, J. Saunders, "Evaluation of Robot Imitation Attempts: Comparison of the System's and the Human's Perspectives", Proc. Human-Robot Interaction (HRI'06), Salt Lake City, Utah, USA, IEEE/ACM, pp. 134-141, 2006.

77. Mike Blow, Kerstin Dautenhahn, Andrew Appleby, Chrystopher L. Nehaniv, David Lee, "The Art of Designing Robot Faces - Dimensions for Human-Robot Interaction", Proc. 1st Annual Conference on Human-Robot Interaction (HRI'06), Salt Lake City, Utah, USA, 2006, 331-332, 2006.
    [ISBN: 1-59593-331-X]

78. J. Saunders, C. L. Nehaniv, K. Dautenhahn, "Teaching Robots by Moulding Behavior and Scaffolding the Environment", Proc. Human-Robot Interaction (HRI'06) ACM/IEEE, pp. 142-150, 2006.

79. Kerstin Dautenhahn, Sarah Woods, Michael Walters, Kheng-Lee Koay, Chrystopher Nehaniv, Emrah Sisbot, Rachid Alami, Thierry Simeon, "How may I serve you? A robot companion approaching a seated person in a helping context", Proc. Human-Robot Interaction (HRI'06), Salt Lake City, Utah, USA, ACM/IEEE, 2006.

80. Megan Davis, Kerstin Dautenhahn, Chrystopher Nehaniv, Stuart Powell, "Towards an interactive system eliciting narrative comprehension in children with autism: A longitudinal study", In: P. John Clarkson, Patrick Martin Langdon, Peter Robinson (Eds.), Designing Accessible Technology (Proc. 3rd Cambridge Workshop on Universal Access and Assistive Technology (CWUAAT), incorporating the 6th Cambridge Workshop on Rehabilitation Robotics, Fitzwilliam College, University of Cambridge, 10 - 12 April 2006), Springer Verlag, 101-114, 2006.
    [ISBN 978-1-84628-364-2]

81. Aris Alissandrakis, Chrystopher L. Nehaniv and Kerstin Dautenhahn, Solving the Correspondence Problem in Robotic Imitation across Embodiments: Synchrony, Perception, and Culture in Artifacts. In C. L. Nehaniv & K. Dautenhahn (Eds.), Imitation and Social Learning in Robots, Humans and Animals: Behavioural, Social and Communicative Dimensions, Cambridge University Press, 2007.
    [ISBN 0521845114]

82. Chrystopher L. Nehaniv, "Nine Billion Correspondence Problems". In C. L. Nehaniv & K. Dautenhahn (Eds.), Imitation and Social Learning in Robots, Humans and Animals: Behavioural, Social and Communicative Dimensions, Cambridge University Press, 2007.

83. W. C. Ho, K. Dautenhahn, C. L. Nehaniv, A study of episodic memory-Based learning and narrative structure for autobiographic agents, Proceedings of AISB 2006 convention, Vol 3, pp 26-29, Bristol, UK, 2006.

84. M. L. Walters, K. Dautenhahn, K. L. Koay, C. Kaouri, R. te Boekhorst, C. L. Nehaniv, I. Werry, D. Lee, "Close encounters: Spatial distances between people and a robot of mechanistic appearance", Proc. IEEE-RAS International Conference on Humanoid Robots (Humanoids2005), December 5-7, 2005 Tsukuba International Congress Center, Tsukuba, Japan, IEEE, pp. 450-455, 2005.

85. E. A. Sisbot, R. Alami, T. Simeon, K. Dautenhahn, M. Walters, S. Woods, K. L. Koay, C. L. Nehaniv, "Navigation in the presence of humans", Proc. IEEE-RAS International Conference on Humanoid Robots (Humanoids2005), December 5-7, 2005 Tsukuba International Congress Center, Tsukuba, Japan, IEEE, pp. 181-188, 2005.

86. A. Egri-Nagy and C. L. Nehaniv, "Cycle Structure in Automata and the Holonomy Decomposition", Acta Cybernetica, Vol. 17, 199-211, 2005.
    [ISSN: 0324-721X]

87. L. Olsson, C. L. Nehaniv, & D. Polani, "From Unknown Sensors and Actuators to Actions Grounded in Sensorimotor Perceptions", Connection Science, special issue on Developmental Robotics (Douglas Bank and Lisa Meeden, guest editors), volume 18(2):121-144, 2006.
    [ISSN 0954-0091, ISSN Online 1360-0494]

88. C. L. Nehaniv, "Self-Replication, Evolvability, and Asynchronicity in Stochastic Worlds", Proc. 3rd Symposium on Stochastic Algorithms, Foundations and Applications (Symposium Stochastische Algorithmen, Grundlagen und Anwendungen) - SAGA'05, Moscow, Russia, October 20-22, 2005, Editors: Oleg B. Lupanov, Oktay M. Kasim-Zade, Alexander V. Chaskin, Kathleen Steinhöfel, Lecture Notes in Computer Science, vol. 3777, Springer Verlag, 2005, pp. 126-169.
    [ISSN: 0302-9743, ISBN: 3-540-294498-8].

89. C. L. Nehaniv, N. A. Mirza, K. Dautenhahn, R. te Boekhorst, "Extending the Temporal Horizon of Autonomous Robots", Proc. 3rd International Symposium on Autonomous Minirobots for Research and Edutainment (AMiRE 2005, Awara-Spa, Fukui, JAPAN, 20-22 September 2005), Editors: K. Murase, K. Sekiyama, N. Kubota, T. Naniwa, J. Sitte, Springer Verlag, pp. 389-395, 2005.
    [ISBN: 3-540-28496-6]

90. A. S. Klyubin, D. Polani, C. L. Nehaniv, "All Else Being Equal Be Empowered", Advances in Artficial Life, European Conference on Artificial Life (ECAL 2005), Editors: M. S. Capcarrere, A. A. Freitas, P. J. Bentley, C. G. Johnson, J. Timmisi, Lecture Notes in Artificial Intelligence vol. 3630, pp. 744-753, Springer Verlag, 2005.
    [ISBN: 3-540-28848-1]

91. C. L. Nehaniv, "Sensorimotor Experience and Its Metrics: Informational Geometry and the Temporal Horizon", IEEE CEC 2005 (2005 Congress on Evolutionary Computation, 2-5 September 2005, Edinburgh, Scotland), Proceedings Vol. 1, pp. 142-149, 2005.
    [ISBN: 0-7803-9363-5].

92. Naeem Assif Mirza, Chrystopher L. Nehaniv, Kerstin Dautenhahn, René te Boekhorst, "Using Temporal Information Distance to Locate Sensorimotor Experience in a Metric Space", IEEE CEC 2005 (2005 Congress on Evolutionary Computation, 2-5 September 2005, Edinburgh, Scotland), Proceedings Vol. 1, pp. 150-157, 2005.
    [ISBN: 0-7803-9363-5].

93. M. Davis, B. Robins, K. Dautenhahn, C. Nehaniv, S. Powell, "A Comparison of Interactive and Robotic Systems in Therapy and Education for Children with Autism" In Assistive Technology: From Virtuality to Reality (AAATE, Lille 2005). Editors: A. Pruski and H. Knops, Assistive Technology Research Series, Volume 16, IOS Press, pp. 353-357, 2005.
    [ISBN: 1-58603-543-6]

94. D. Jacob, D. Polani, and C. L. Nehaniv, "Inferring dependencies in Embodiment-based modular reinforcement learning", Towards Autonomous Robotic Systems (TAROS 2005), Imperial College, London, pp. 103-110, 2005.
    [ISBN: 0-905247-03-5]

95. W. C. Ho, K. Dautenhahn, C. L. Nehaniv, "Autobiographic Agents in Dynamic Virtual Environments - Performance Comparison for Different Memory Control Architectures", IEEE CEC 2005 (2005 Congress on Evolutionary Computation, 2-5 September 2005, Edinburgh, Scotland), Proceedings Vol. 1, pp. 573-580, 2005.
    [ISBN: 0-7803-9363-5].

96. W. C. Ho, O. Avila-Garcia, C. L. Nehaniv, "Assessing the Performance of Different Behavior Selection Architectures in a Large and Complex Virtual Environment", IEEE CEC 2005 (2005 Congress on Evolutionary Computation, 2-5 September 2005, Edinburgh, Scotland), Proceedings Vol. 1, pp. 359-365, 2005.
    [ISBN: 0-7803-9363-5].

97. R. J. Lowe, C. L. Nehaniv, D. Polani, L. Cañamero, "The Degree of Potential Damage in Agonistic Contests and its Effects on Social Aggression, Territoriality and Display Evolution", IEEE CEC 2005 (2005 Congress on Evolutionary Computation, 2-5 September 2005, Edinburgh, Scotland), Proceedings Vol. 1, pp. 351-358, 2005.
    [ISBN: 0-7803-9363-5].

98. A. Klyubin, D. Polani, C. L. Nehaniv, "Empowerment: A Universal Agent-Centric Measure of Control", IEEE CEC 2005 (2005 Congress on Evolutionary Computation, 2-5 September 2005, Edinburgh, Scotland), Proceedings Vol. 1, pp. 128-135, 2005.
    [ISBN: 0-7803-9363-5].

99. M. J. Loomes, C. L. Nehaniv, P. Wernick, "The Naming of Systems and Software Evolvability", IEEE International Workshop on Software Evolvability, IEEE Comnputer Science Press, pp. 23-28, 2005.
    [ISBN: 0-7695-2460-5]

100. Ben Robins, Kerstin Dautenhahn, Chrystopher L. Nehaniv, N. Assif Mirza, Dorothée Franc¸ois, Lars Olsson, "Sustaining interaction dynamics and engagement in dyadic child-robot interaction kinesics: Lessons learnt from an exploratory study", 14th IEEE International Workshop on Robot and Human Interactive Communication (Ro-Man 2005), pp. 716-722, 2005.
     [ISBN: 0-7803-9275-2]

101. Chrystopher L. Nehaniv, Kerstin Dautenhahn, Jens Kubacki, Martin Haegele, Christopher Parlitz, Rachid Alami, "A Methodological Approach relating the Classification of Gesture to Identification of Human Intent in the Context of Human-Robot Interaction", 14th IEEE International Workshop on Robot and Human Interactive Communication (Ro-Man 2005), pp. 371 - 377, 2005.
     [ISBN: 0-7803-9275-2]

102. M. Finke, K. L. Koay, K. Dautenhahn, C. L. Nehaniv, M. L. Walters, J. Saunders, "Hey, I'm over here - How can a robot attract people's attention?", 2005 IEEE International Workshop on Robot and Human Interactive Communication (Ro-Man 2005, August 13-15, 2005, Nashville, TN) pp. 7-12, 2005.
     [ISBN: 0-7803-9275-2]

103. "The influence of subjects' personality traits on personal spatial zones in a human-robot interaction experiment", Walters, M.L.; Dautenhahn, K.; te Boekhorst, R.; Kheng Lee Koay; Kaouri, C.; Woods, S.; Nehaniv, C.; Lee, D.; Werry, I.; 14th IEEE International Workshop on Robot and Human Interactive Communication (Ro-Man 2005), pp. 347-352, 2005.
     [ISBN: 0-7803-9275-2]

104. L. Olsson, C. L. Nehaniv, D. Polani, "From Unknown Sensors and Actuators to Visually Guided Movement", The 4th IEEE International Conference on Development and Learning (ICDL-05), IEEE Computer Society Press, pp. 1-6, 2005.
     [ISBN: 0-7803-9225-6]

105. Lars Olsson, Chrystopher L. Nehaniv, Daniel Polani, ``Discovering Motion Flow by Temporal-Informational Correlations in Sensors", Fifth International Workshop on Epigenetic Robotics: Modeling Cognitive Development in Robotic Systems (EpiRob2005), Editors: L. Berthouze, F. Kaplan, H. Kozima, H. Yano, J. Konczak, G. Metta, J. Nadel, G. Sandini, G. Stojanov and C. Balkenius, Lund University Cognitive Studies, vol. 123, pp. 117-120, 2005.
     [ISBN: 91-974741-4-2].

106. Naeem Assif Mirza, Chrystopher Nehaniv, René te Boekhorst and Kerstin Dautenhahn "Robot Self-Characterisation of Experience Using Trajectories in Sensory-Motor Phase Space", Fifth International Workshop on Epigenetic Robotics: Modeling Cognitive Development in Robotic Systems (EpiRob2005), Editors: L. Berthouze, F. Kaplan, H. Kozima, H. Yano, J. Konczak, G. Metta, J. Nadel, G. Sandini, G. Stojanov and C. Balkenius, Lund University Cognitive Studies, vol. 123, pp. 143-144, 2005.
     [ISBN: 91-974741-4-2].

107. N. A. Mirza, C. L. Nehaniv, K. Dautenhahn, R. te Boekhorst, "Using Sensory-Motor Phase-Plots to Characterise Robot-Environment Interactions", IEEE Computational Intelligence in Robotics & Automation (IEEE CIRA'05), special session on Ontogenetic Robotics, pp. 581-586, 2005.
     [ISBN: 0-7803-9355-4]

108. D. Jacob, D. Polani, C. L. Nehaniv, "Legs that can walk: Embodiment-Based Modular Reinforcement Learning applied", IEEE Computational Intelligence in Robotics & Automation (IEEE CIRA 2005), pp. 365-372, 2005.
     [ISBN: 0-7803-9355-4]

109. D. Jacob, D. Polani, C. L. Nehaniv, "Faster Learning in Embodied Systems through Characteristic Attitudes", IEEE Computational Intelligence in Robotics & Automation (IEEE CIRA'05) special session on Ontogenetic Robotics, pp. 573-580, 2005.
     [ISBN: 0-7803-9355-4]

110. L. Olsson, C. L. Nehaniv, D. Polani, "Sensor Adaptation and Development in Robots by Entropy Maximization of Sensory Data", IEEE Computational Intelligence in Robotics & Automation (IEEE CIRA'05), special session on Ontogenetic Robotics, pp. 587- 592, 2005.
     [ISBN: 0-7803-9355-4]

111. René te Boekhorst, Michael L. Walters, Kheng Lee Koay, Kerstin Dautenhahn , Chrystopher L. Nehaniv, "A Study of a Single Robot Interacting with Groups of Children in a Rotation Game Scenario", IEEE Computational Intelligence in Robotics & Automation (IEEE CIRA 2005), special session on Human-Robot Interaction, pp. 35-40, 2005.
     [ISBN: 0-7803-9355-4]

112. A. Alissandrakis, C. L. Nehaniv, K. Dautenhahn and J. Saunders, "An Approach for Programming Robots by Demonstration: Generalization Across Different Initial Configurations of Manipulated Objects", IEEE Computational Intelligence in Robotics & Automation (IEEE CIRA 2005), pp. 61-66, 2005.
     [ISBN: 0-7803-9355-4]

113. C. L. Nehaniv, "Classifying Gestures and Inferring Intent", In: Proc. AISB'05 Symposium on Robot Companions: Hard Problems and Open Challenges in Robot-Human Interaction, The Society for the Study of Artificial Intelligence and Simulation of Behaviour, pp. 74-81, 2005.
     [ISBN: 1-902956-44-1].

114. C. L. Nehaniv, "Open Problems in the Emergence and Evolution of Linguistic Communication: A Road-Map for Research", In: Proc. Second International Symposium on the Emergence and Evolution of Linguistic Communication (EELC'05). The Society for the Study of Artificial Intelligence and Simulation of Behaviour, pp. 86-93, 2005.
     [ISBN: 1-902956-40-9].

115. A. Alissandrakis, C. L. Nehaniv, K. Dautenhahn, and J. Saunders "Achieving Corresponding Effects on Multiple Robotic Platforms: Imitating in Context Using Different Effect Metrics", Third International Symposium on Imitation in Animals & Artifacts at AISB'05, The Society for the Study of Artificial Intelligence and Simulation of Behaviour, pp. 10-19, 2005.
     [ISBN: 1-902956-42-5]

116. J. Saunders, C. L. Nehaniv, and K. Dautenhahn, "An Examination of the Static to Dynamic Imitation Spectrum", Third International Symposium on Imitation in Animals & Artifacts at AISB'05, The Society for the Study of Artificial Intelligence and Simulation of Behaviour, pp. 109-118, 2005.
     [ISBN: 1-902956-42-5]

117. A. Egri-Nagy and C. L. Nehaniv, "Algebraic Hierarchical Decomposition of Finite State Automata: Comparison of Implementations for Krohn-Rhodes Theory", in Implementation and Application of Automata: 9th International Conference, CIAA 2004, Kingston, Canada, July 22-24, 2004, Revised Selected Papers, Editors: Michael Domaratzki, Alexander Okhotin, Kai Salomaa, et al. Springer Lecture Notes in Computer Science, Vol 3317, pp. 315-316, 2005.
     [ISBN: 3-540-24318-6]

118. C. L. Nehaniv, "Asynchronous Automata Networks Can Emulate Any Synchronous Automata Network", International Journal of Algebra & Computation, Vol. 14. Nos. 5 & 6 (2004), pp. 719-739.
     [ISSN: 0218-1967]

119. J. Saunders, C. L. Nehaniv, and K. Dautenhahn, "An Experimental Comparison of Imitation Paradigms used in Social Robotics , Proc. IEEE Ro-Man 2004, 13th IEEE International Workshop on Robot and Human Interactive Communication, September 20-22, 2004 Kurashiki, Okayama Japan, IEEE, 691-696, 2004.
     [ISBN: 0-7803-8570-5]

120. J. Baillie, C. L. Nehaniv, P. Quick, A. Egri-Nagy, S. Warren, "Mirroring, Deixis, and Interaction Topology in the Emergence of Shared Vocabularies", New Frontiers in Artificial Intelligence: Joint Proceedings of the 17th and 18th Annual Conferences of the Japanese Society for Artificial Intelligence, K. Hasida & K. Nitta (Eds.), Springer Lecture Notes in Computer Science, 2007.

121. D. Jacob, D. Polani, and C. L. Nehaniv, "Improving Learning for Embodied Agents in Dynamic Environments by State Factorisation", Proc. TAROS 2004 - Towards Autonomous Robotic Systems, September 6th - 8th, 2004 University of Essex, Colchester, UK.
     [Report No. CSM-415, ISSN: 1744-8050]

122. J. Baillie, C. L. Nehaniv, P. Quick, A. Egri-Nagy, S. Warren, "Deixis, Interaction Topology, and the Emergence of Naming", First International Workshop on the Emergence and Evolution of Linguistic Communication (EELC 2004), 31 May-1 June 2004, Kanazawa, Japan, Japanese Society for Artificial Intelligence, pp. 33-40, 2004.
     [ISBN: 4-915905-14-4 C3004(JSAI)]

123. C. Lyon, C. L. Nehaniv, S. Warren, J. Baillie, "Evolutionary Fitness, Homophony and Disambiguation through Sequential Processes", First International Workshop on the Emergence and Evolution of Linguistic Communication (EELC 2004), 31 May-1 June 2004, Kanazawa, Japan, Japanese Society for Artificial Intelligence, pp. 27-32, 2004.
     [ISBN: 4-915905-14-4 C3004(JSAI)]

124. M. Davis, K. Dautenhahn, C. L. Nehaniv, S. Powell, "Towards an Interactive System Facilitating Therapeutic Narrative Elicitation in Autism", Third International Conference on Narrative and Interactive Learning Environments (NILE 2004) (Edinburgh, Scotland -- 10-13 August 2004), 2004.

125. A. Alissandrakis, C. L. Nehaniv, and K. Dautenhahn, "Towards Robot Cultures? - Learning to Imitate in a Robotic Arm Test-bed with Dissimilarly Embodied Agents'', Interaction Studies, Vol 5(1):3-44, 2004.
     [ISSN: 1572-0373]

126. L. A. Olsson, C. L. Nehaniv, and D. Polani, "The Effects on Visual Information in a Robot in Environments with Oriented Contours", Fourth International Workshop on Epigenetic Robotics (EpiRob2004), Lund University Cognitive Studies, vol. 117, pp. 83-88, 2004.
     [ISBN: 91-974741-3-4]

127. R. J. Lowe, L. Cañamero, C. L. Nehaniv, D. Polani, "The Evolution of Affect-Related Displays, Recognition and Related Strategies", Artificial Life IX: Proceedings of the Ninth International Conference on Artificial Life, Editors: J. Pollack, M. Bedau, P. Husbands, T. Ikegami and R. A. Watson, MIT Press, pp. 176-181, 2004.
     [ISBN: 0-262-66183-7]

128. L. Olsson, C. L. Nehaniv, and D. Polani, "Information Trade-Offs and the Evolution of Sensory Layout", Artificial Life IX: Proceedings of the Ninth International Conference on Artificial Life, Editors: J. Pollack, M. Bedau, P. Husbands, T. Ikegami and R. A. Watson, MIT Press, pp. 119-124, 2004.
     [ISBN: 0-262-66183-7]
     Available as University of Hertfordshire Technical Report 403, Feb. 2004.

129. A. Klyubin, D. Polani, and C. L. Nehaniv, "Tracking Information Flow through the Environment: Simple Cases of Stigmergy", Artificial Life IX: Proceedings of the Ninth International Conference on Artificial Life, Editors: J. Pollack, M. Bedau, P. Husbands, T. Ikegami and R. A. Watson, MIT Press, 563-568, 2004.
     [ISBN: 0-262-66183-7]

130. L. Olsson, C. L. Nehaniv, and D. Polani, "Sensory Channel Group and Structure from Uninterpreted Sensor Data", IEEE NASA/DoD Conference on Evolvable Hardware 2004, IEEE Computer Society, pp. 153-160, 2004.
     [ISBN: 0769521452]
     Available as University of Hertfordshire Technical Report 401, Jan. 2004.

131. R. J. Lowe, L. Cañamero, C. L. Nehaniv, D. Polani, "Strategies in the Evolution of Affect Related Displays and Recognition", The Logic of Artificial Life: Abstracting and Synthesizing the Principles of Living Systems (Proceedings of the 6th German Workshop on Artificial Life - Bamberg, Germany, 14-16 April 2004 - GWAL 6), Editors: H. Schaub, F. Detje and U. Brüggemann, IOS Press, 2004.
     [ISBN: 1-58603-429-4]

132. A. Klyubin, D. Polani, and C. L. Nehaniv, "Organization the Information Flow in the Perception-Action Loop of Evolved Agents", IEEE NASA/DoD Conference on Evolvable Hardware 2004, IEEE Computer Society, pp. 177-180, 2004.
     [ISBN: 0769521452]
     Available as University of Hertfordshire Technical Report 400, Jan. 2004.

133. Wan Ching Ho, Kerstin Dautenhahn, Chrystopher L. Nehaniv, René te Boekhorst, "Sharing Memories: An Experimental Investigation with Multiple Autonomous Autobiographic Agents". In F.Groen, N. Amoto, A. Bonarini, E. Yoshida, and B. Kröse (Eds.), Intelligent Autonomous Systems 8, March 10-13, 2004, Amsterdam, The Netherlands, IOS Press, pp. 361-370, 2004.
     [ISBN: 1 58603 414 6]

134. A. Alissandrakis, C. L. Nehaniv, and K. Dautenhahn, "Synchrony and Perception in Robotic Imitation across Embodiments", IEEE International Symposium on Computational Intelligence in Robotics and Automation (CIRA'03), 923-930, 2003.

135. P. Dömösi, C. L. Nehaniv, and J. L. Rhodes, "Finite Semigroups, Feedback, and the Letichevsky Criteria for Non-Empty Words in Finite Automata", Theoretical Computer Science, Vol. 302, 295-317, 2003.
     [ISSN: 0304-3975]
     [preprint in postscript or pdf].

136. C. L. Nehaniv, ``Evolvability'', BioSystems: Journal of Biological and Information Processing Sciences, Vol. 69. Nos. 2-3, pp. 77-81, 2003. (Editorial, Special Issue on Evolvability, Dedicated to the memory of Professor Michael Conrad)
     [ISSN: 0303-2647]

137. Caroline Lyon, Bob Dickerson, and Chrystopher Nehaniv, "The Segmentation of Speech and its Implications for the Emergence of Language Structure", Evolution of Communication, 4(2): 161-182, 2003.
     [ISSN: 1387-5337]

138. Wan Ching Ho, Kerstin Dautenhahn, Chrystopher L. Nehaniv , ``Comparing Different Control Architectures for Autobiographic Agents in Static Virtual Environments'', Interactive Virtual Agents (IVA'03), 15-17 September 2003, Irsee, Germany, Springer Lecture Notes LNCS/LNAI Vol. 2792, 182-191, 2003.

139. T. Quick, C. L. Nehaniv, K. Dautenhahn & G. Roberts, ``Evolving Embodied Genetic Regulatory Network-driven Control Systems '', Proc. European Conference on Artificial Life (ECAL'03), September 14-17, 2003 Dortmund, Germany, Springer Lecture Notes in Artificial Intelligence Vol. 2801, pp. 266-277, 2003.

140. A. L. Newton, C. L. Nehaniv, & K. Dautenhahn, "The Robot in the Swarm: An Investigation into Agent Embodiment within Virtual Robotic Swarms", Proc. European Conference on Artificial Life (ECAL'03), September 14-17, 2003 Dortmund, Germany, Springer Lecture Notes in Artificial Intelligence Vol. 2801, pp. 829-838, 2003.

141. A. Egri-Nagy and C. L. Nehaniv, "Evolvability of the Genotype-Phenotype Relation in Populations of Self-Replicating Digital Organisms in a Tierra-like System", Proc. European Conference on Artificial Life (ECAL'03), September 14-17, 2003 Dortmund, Germany, Springer Lecture Notes in Artificial Intelligence Vol. 2801, pp. 238-247, 2003.

142. G . Z. Elston & C. L. Nehaniv, ``Holonomy Embedding for Arbitrary Stable Semigroups'', International Journal of Algebra & Computation, Vol. 12, No. 6, pp. 791-810, 2002.
     [ISSN: 0218-1967] [article webpage]

143. A. Alisssandrakis, C. L. Nehaniv, & K. Dautenhahn, "Solving the correspondence problem between dissimilarly embodied robotic arms using the ALICE imitation mechanism", Proceedings of the Second International Symposium on Imitation in Animals & Artifacts, The Society for the Study of Artificial Intelligence and Simulation of Behaviour, pp. 79-92, 2003.

144. C. L. Nehaniv, "Nine Billion Correspondence Problems and Some Methods for Solving Them", Proceedings of the Second International Symposium on Imitation in Animals & Artifacts, The Society for the Study of Artificial Intelligence and Simulation of Behaviour, pp. 93-95, 2003.

145. A. Alissandrakis, C. L. Nehaniv, and K. Dautenhahn, "Imitating with ALICE: Learning to Imitate Corresponding Actions across Dissimilar Embodiments'', IEEE Transactions on Systems, Man, & Cybernetics, Part A, Vol. 32, No. 4, 482-496, 2002.

146. T. Quick, C. L. Nehaniv, K. Dautenhahn & G. Roberts, ``The Impact of Sensory Input on Evolved Embodied Genetic Regulatory Network-driven Control Systems", Evolvablity and Sensor Evolution Symposium Abstracts, EPSRC Network on Evolvablility in Biological and Software Systems, 2003.

147. A. L. Newton, C. L. Nehaniv, & K. Dautenhahn, "The Robot in the Swarm: An Investigation into Agent Embodiment within Virtual Robotic Swarms", Evolvablity and Sensor Evolution Symposium Abstracts, EPSRC Network on Evolvablility in Biological and Software Systems, 2003.

148. A. Egri-Nagy and C. L. Nehaniv, "Evolvability of Genotype-Phenotype Mapping in Populations of Self-replicating Digital Organisms", Evolvablity and Sensor Evolution Symposium Abstracts, EPSRC Network on Evolvablility in Biological and Software Systems, 2003.

149. C. L. Nehaniv, ``Evolvability and Individuality: Some Minimal Examples in Constructive Biology'', Evolvability and Individuality Symposium: EPSRC Network on Evolvability in Biological and Software Systems, University of Hertfordshire Technical Report No. 370, September 2002.

150. C. L. Nehaniv, D. Polani, K. Dautenhahn, R. te Boekhorst, & L. Cañamero, ``Meaningful Information, Sensor Evolution, and the Temporal Horizon of Embodied Organisms'', Artificial Life VIII, MIT Press, pp. 345-349, 2002.

151. C. L. Nehaniv, ``Evolution in Asynchronous Cellular Automata'', Artificial Life VIII, MIT Press, pp. 65-73, 2002.

152. C. L. Nehaniv, ``What's a Narrative for: Relevance and Episodic Information'', Second International Workshop on Narrative and Interactive Learning Environments (NILE) 2002 (Edinburgh, Scotland -- 6-9 August 2002).

153. C. L. Nehaniv, ``Complexity and Some Counterexamples in Finite Automata and Semigroup Theory'', Automata and Formal Languages (Debrecen, Hungary -- 13-18 August 2002).

154. C. L. Nehaniv, "Self-Reproduction in Asynchronous Cellular Automata", 2002 NASA/DoD Conference on Evolvable Hardware (15-18 July 2002, Alexandria, Virginia, USA), IEEE Computer Society Press, pp. 201-209, 2002.
     Also available as University of Hertfordshire Faculty of Engineering & Information Sciences Technical Report 368, March 2002.

155. C. L. Nehaniv, "Asynchronous Automata Networks Can Emulate Any Synchronous Automata Network", for International Workshop on Semigroups, Automata, and Formal Languages (17-21 June 2002, Crema, Italy), 2002.
     (published abstract and announcement of results, journal version listed abovei)

156. C. L. Nehaniv, "Feedback is Easy for Pseudovarieties", invited lecture for RhodesFest: International Conference on Semigroups and Groups in Honor of the 65th Birthday of John Rhodes, University of Porto, Portugal June 26-June 29, 2002

157. C. L. Nehaniv, "Open-Ended Evolution, Evolvability and Embodiment in Biology and Other Sciences of the Artificial", EuroGP2002: 5th European Conference on Genetic Programming, Kinsale, Ireland, 3-5 April 2002 (Invited Opening Plenary Lecture).

158. C. L. Nehaniv, "The Class of Finite Semigroups of Complexity at Most One Has No Finite Basis of (Pseudo)Identities", American Mathematical Society - Unione Matematica Italiana First Joint International Meeting, Pisa, Italy, 12-16 June 2002.

159. C. L. Nehaniv & K. Dautenhahn, "The Correspondence Problem in Social Learning: What Does it Mean for Behaviors to 'Match' Anyway?". On-line accepted contribution to Perspectives on Imitation: From Cognitive Neuroscience to Social Science (Royaumont Abbey, France 24-26 May 2002). Also in MIT Press book Imitation in Animals and Artifacts as "The Correspondence Problem" (see below).

160. C. L. Nehaniv, ``Internal Constraints and Ecology in Evolution: A Case Study in Tierra''. In D. Polani, J. Kim, T. Martinetz (Eds.), Proc. Fifth German Workshop on Artificial Life (GWAL5), 18-20 March 2002, Lübeck, Germany, pp. 243-252, 2002.

161. J. Baillie, C. Nehaniv, "Deixis and the development of a proto-language in asynchronously communicating connectionist agents", accepted for FOURTH INTERNATIONAL CONFERENCE on the EVOLUTION of LANGUAGE, Harvard, March 27-30, 2002. [Abstract online]

162. A. Alissandrakis, C. L. Nehaniv, K. Dautenhahn, ``Do as I Do: Correspondences across Different Robotic Embodiments''. In D. Polani, J. Kim, T. Martinetz (Eds.), Proc. Fifth German Workshop on Artificial Life (GWAL5), 18-20 March 2002, Lübeck, Germany, pp. 143-152, 2002.
     Also available as an accepted on-line contribution to Perspectives on Imitation: From Cognitive Neuroscience to Social Science (Royaumont Abbey, France 24-26 May 2002).

163. C. L. Nehaniv, ``What Do Software Evolution and Biological Evolution Have in Common'', Software Evolution and Evolutionary Computation Symposium Abstracts, EPSRC Network on Evolvability in Biological and Software Systems, pp. 1-2, 2002.

164. K. Dautenhahn, C. L. Nehaniv, & A. Alissandrakis, ``Learning by Experience from Others -- Social Learning and Imitation in Animals and Robots'', Adaptivity and Learning: An Interdisciplinary Debate, R. Kühn, R. Menzel, W. Menzel, U. Ratsch, M. M. Richter, and I.-O. Stamatescu (Eds.) Springer Verlag, pp. 217-241, 2003.

165. P. Dömösi, C. L. Nehaniv, J. L. Rhodes, "Finite Semigroups and the Letichevsky Criteria for Non-Empty Words in Finite Automata", invited lecture at the Workshop on Automata and Formal Languages, 23-24 July 2001, in honour of the 60th birthdays of Masami Ito and Magnus Steinby, Szeged, Hungary, published abstract.
     

166. J. Baillie & C. Nehaniv, ``Deixis and the Development of Naming in Asynchronously Interacting Connectionist Agents'', Epigenetic Robotics (Proc. First International Workshop on Epigenetic Robotics, 17-18 September 2001, Lund, Sweden), Lund University Cognitive Studies, vol. 85, pp. 123-129, 2001.

167. A. Alissandrakis, C. L. Nehaniv, & K. Dautenhahn, ``Through the Looking-Glass with ALICE - Trying to Imitate using Correspondences'', Epigenetic Robotics (Proc. First International Workshop on Epigenetic Robotics, 17-18 September 2001, Lund, Sweden), Lund University Cognitive Studies, vol. 85, pp. 115-122.

168. C. L. Nehaniv & K. Dautenhahn, "The Correspondence Problem", Imitation in Animals and Artifacts, MIT Press, 2002.

169. M. J. Loomes & C. L. Nehaniv, ``Fact and Artifact: Reification and Drift in the History and Growth of Interactive Software Systems'', Proc. Fourth International Conference on Cognitive Technology: Instruments of Mind, Springer Lecture Notes in Computer Science, vol. 2117, pp. 25-39, 2001.

170. A. F. Blackwell, C. Britton, A. Cox, T. R. G. Green, C. Gurr, G. Kadoda, M. S. Kutar, M. Loomes, C. L. Nehaniv, M. Petre, C. Roast, C. Roe, A. Wong & R. M. Young, ``Cognitive Dimensions of Notations: Design Tools for Cognitive Technology'', Proc. Fourth International Conference on Cognitive Technology: Instruments of Mind, Springer Lecture Notes in Computer Science, vol. 2117, pp. 325-341, 2001.

171. M. Kutar, C. Nehaniv, C. Britton, & S. Jones ``The Cognitive Dimensions of an Artifact vis-à-vis Individual Human Users: Studies with Notations for the Temporal Specification of Interactive Systems'', Proc. Fourth International Conference on Cognitive Technology: Instruments of Mind, Springer Lecture Notes in Computer Science, vol. 2117, pp. 342-355, 2001.

172. M. Kutar, C. Nehaniv, & C. Britton, ``NGT: Natural Specification of Temporal Properties of Interactive Systems with Multiple Time Granularities'', Design, Specification, and Verification of Interactive Systems: 2001 (8th International Workshop DSV-IS, Glasgow, Scotland, 13-15 June 2001), Springer Lecture Notes in Computer Science, (accepted).

173. C. L. Nehaniv & K. Dautenhahn, ``Like Me? - Measures of Correspondence and Imitation'', Cybernetics & Systems: An International Journal, 32(1-2): 11-51, 2001.
     [ISSN: 0196-9722]

174. K. Dautenhahn & C. L. Nehaniv, "The Agent-Based Perspective on Imitation", Imitation in Animals & Artifacts, MIT Press, 2002.

175. M. Kutar, C. Britton, & C. Nehaniv, ``Specifying Multiple Time Granularities in Interactive Systems''. In Philippe Palanque & Fabio Paternò (Eds.), Interactive Systems: Design, Specification and Verification (7th International Workshop, DSV-IS 2000, Limerick, Ireland, June 2000), Springer Lecture Notes in Computer Science, Vol. 1946, pp. 51-63, 2001.

176. C. L. Nehaniv, ``Evolvability in Biologically-Inspired Robotics: Solutions for Achieving Open-Ended Evolution'', Sensor Fusion and Decentralized Control in Robotic Systems III (6-8 November 2000, Boston, Massachusetts, USA), Proc. of SPIE, Vol. 4196, pp. 13-26, 2000.

177. A. Alissandrakis, C. L. Nehaniv & K. Dautenhahn, ``Learning How to Do Things with Imitation''. In Mathias Bauer & Charles Rich, Eds., AAAI Fall Symposium on Learning How to Do Things, 3-5 November 2000, American Association for Artificial Intelligence, pp. 1-6, 2000. [On-line symposium proceedings]

178. C. L. Nehaniv & J. L. Rhodes, ``The Evolution and Understanding of Hierarchical Complexity in Biology from an Algebraic Perspective'', Artificial Life, volume 6(1), pp. 45-67, Winter 2000.
     [ISSN: 1064-5462] [MEDLINE]

179. P. Dömösi & C. L. Nehaniv, ``On Complete Systems of Automata'', Theoretical Computer Science, vol. 245, number 1, pp. 27-54, 2000.
     [ISSN: 0304-3975]

180. C. L. Nehaniv, "Evolvability in Biological, Artifacts, and Software Systems", Artificial Life 7 Workshop Proceedings, edited by Carlo C. Maley & Eilis Boudreau, pp. 17-21, 2000.

181. C. L. Nehaniv, "Measuring Evolvability as the Rate of Complexity Increase", Artificial Life 7 Workshop Proceedings, edited by Carlo C. Maley & Eilis Boudreau, pp. 55-57, 2000.

182. C. L. Nehaniv and J. L. Rhodes, "Genius Jumps" in the Complexity of Finite Semigroups, Colloquium on Semigroups (17-21 July 2000), p. 18, Bolyai Institute, Szeged, Hungary, [abstract]

183. C. L. Nehaniv, ``Self-Replication and Evolvability in the Origin and Maintenance of Life Elsewhere in the Universe'', First Annual Astrobiology Science Conference, (3-5 April 2000, NASA Ames Research Center), poster and published abstract.

184. C. L. Nehaniv, "The Making of Meaning in Societies: Semiotic & Information-Theoretic Background to the Evolution of Communication", Proc. AISB Symposium: Starting from Society - the application of social analogies to computational systems, 19-20 April 2000, Society for the Study of Artificial Intelligence and Adaptive Behaviour, pp. 73-84, 2000. [Also available as Centre for Policy Modelling (Manchester) Report No. 00-66 and here in postscript ]

185. C. L. Nehaniv & J. L. Rhodes, ``Axioms for Biological Complexity and Mathematically Rigorous Measures of Computational Capacity: Applications to Evolution of Computation in Cells''. In: H. Bolouri & R. Paton, Eds., Proc. Computation in Cells: An EPSRC Emergent Computing Workshop (17-18 April 2000), University of Hertfordshire, U.K., pp. 71-76, 2000.

186. C. L. Nehaniv, ``Narrative for Artifacts: Transcending Context and Self'', In: Phoebe Sengers & Micheal Mateas, Eds., Narrative Intelligence: Papers from the 1999 AAAI Fall Symposium, (5-7 November 1999 - North Falmouth, Massachusetts) FS-99-01, American Association for Artificial Intelligence, pp. 101-104, 1999.
     [pdf] [ps]

187. C. L. Nehaniv, ``Story-Telling and Emotion: Cognitive Technology Considerations in Networking Temporally and Affectively Grounded Minds'', Third International Conference on Cognitive Technology: Networked Minds (CT'99), Aug. 11-14, 1999 San Francisco/Silicon Valley, USA, pp. 313-322.
     [postscript][pdf]

188. C. L. Nehaniv, ``Meaning for Observers and Agents'', IEEE International Symposium on Intelligent Control / Intelligent Systems and Semiotics, ISIC/ISAS'99 - September 15-17, 1999 Cambridge, Massachusetts, USA, pp. 435-440, 1999.
     [Note: the operator "log" should in inserted in the numerator before N(T) in the first formula of section 3.2]
     [postscript][pdf]

189. C. L. Nehaniv, K. Dautenhahn, & M. J. Loomes, ``Constructive Biology and Approaches to Temporal Grounding in Post-Reactive Robotics'', In: G. T. McKee & P. Schenker, Eds., Sensor Fusion and Decentralized Control in Robotics Systems II (September 19-20, 1999, Boston, Massachusetts), Proceedings of SPIE Vol. 3839, pp. 156-167, 1999.
     [postscript][pdf]

190. T. Quick, K. Dautenhahn, C. L. Nehaniv, & G. Roberts, ``On Bots and Bacteria: Ontology-Independent Embodiment'', Proceedings of the 5th European Conference on Artificial Life ECAL'99 (Lausanne, Switzerland), Lecture Notes in Artificial Intelligence, Vol. 1674, Springer Verlag, pp. 339-343, 1999.
     Extended version available as University College London Technical Report No RN/99/14.

191. C. L. Nehaniv & K. Dautenhahn, ``Of Hummingbirds and Helicopters: An Algebraic Framework for Interdisciplinary Studies of Imitation and Its Applications''. In: J. Demiris and A. Birk, Eds., Interdisciplinary Approaches to Robot Learning, World Scientific Series in Robotics and Intelligent Systems, Vol. 24, World Scientific Press, pp. 136-161, 2000.

192. P. Dömösi & C. Nehaniv, ``Complete Finite Automata Network Graphs with Minimal Number of Edges", special journal volume dedicated to Prof. Ferenc Gécseg, Acta Cybernetica, 14 (1999) 37-50.
     

193. C. L. Nehaniv, ``The Second Person - Meaning and Metaphors''. In: Computation for Metaphors, Analogy and Agents, Springer Lecture Notes in Artificial Intelligence, Vol. 1562, pp. 380-388, 1999.

194. K. Dautenhahn & C. L. Nehaniv, ``Living with Socially Intelligent Agents: A Cognitive Technology View''. In: K. Dautenhahn, ed., Human Cognition and Social Agent Technology, (Advances in Consciousness Research Series) John Benjamins Publishing Company, pp. 415-426, 2000.

195. C. L. Nehaniv, ``Algebra for Understanding''. In: C. L. Nehaniv and M. Ito, Eds., Algebraic Engineering, World Scientific Press, pp. 1-16, 1999.

196. P. Dömösi & C. Nehaniv, ``On Complete Systems of Automata''. In: Algebraic Engineering, World Scientific Press, pp. 260-261, 1999. [extended abstract of TCS journal paper listed above.]

197. C. L. Nehaniv & J. L. Rhodes, ``On the Manner in which Biological Complexity May Grow'', Mathematical & Computational Biology, Lectures in the Life Sciences, Vol. 26, American Mathematical Society, pp. 93-102, 1999.

198. P. Dömösi & C. L. Nehaniv, ``Algebraic Theory of Finite Automata Networks", Mathematica Japonica, Vol. 48, No. 3, 481-508, 1998.

199. L. M. Schmitt & C. L. Nehaniv, ``The Linear Geometry of Genetic Operators with Applications to the Analysis of Genetic Drift and Genetic Algorithms using Tournament Selection'', Mathematical & Computational Biology, Lectures in the Life Sciences, Vol. 26, American Mathematical Society, pp. 147-166, 1999.

200. L. M. Schmitt, C. L. Nehaniv, & R. H. Fujii, ``Linear Analysis of Genetic Algorithms'', Theoretical Computer Science, volume 200(1-2), pp. 101-134, 1998.
     [ISSN: 0304-3975]

201. C. Nehaniv & K. Dautenhahn, ``Self-Replication and Reproduction: Considerations and Obstacles for Rigorous Definitions''. In: C. Wilke, S. Altmeyer, and T. Martinetz, editors, Third German Workshop on Artificial Life: Abstracting and Synthesizing the Principles of Life, Verlag Harri Deutsch, pp. 283-290, 1998.
     [ISBN: 3-8171-1591-1]

202. C. Nehaniv, ``The First, Second and Third Person Emotions: Grounding Adaptation in a Biological and Social World''. In: D. Cañamero, C. Numaoka, P. Petta, Eds., From Animals To Animats: Fifth International Conference of the Society for Adaptive Behavior (SAB 98) Workshop on Grounding Emotions in Adaptive Systems (Zürich, Switzerland - 21 August 1998), pp. 43-47, 1998.

203. C. Nehaniv & K. Dautenhahn, ``Mapping between Dissimilar Bodies: Affordances and the Algebraic Foundations of Imitation''. In: J. Demiris and A. Birk, Eds., Proc. European Workshop on Learning Robots 1998 (EWLR-7), (Edinburgh, Scotland - 20 July 1998), 1998.
     Preliminary version in working notes of Agents in Interaction - Acquiring Competence Through Imitation Workshop at Automonous Agents '98 (Minneapolis, USA -- May 1998) and University of Aizu Technical Report 98-1-003 (27 April 1998).
     

204. C. Nehaniv & K. Dautenhahn, ``Embodiment and Memories - Algebras of Time and History for Autobiographic Agents'', In: Robert Trappl, ed., Cybernetics and Systems '98, Proceedings of the 14th European Meeting on Cybernetics and Systems Research Symposium on Embodied Cognition and Artificial Intelligence (Vienna, Austria, 14-17 April 1998). Austrian Society for Cybernetic Studies, volume 2, pp. 651-656, 1998.

205. K. Dautenhahn & C. L. Nehaniv, ``Artificial Life and Natural Stories'', International Symposium on Artificial Life and Robotics - AROB III'98, (19-21 January 1998, Beppu, Oita, Japan), volume 2, pp. 435-439, 1998.

206. C. L. Nehaniv, ``What's Your Story? - Irreversibility, Algebra, Autobiographic Agents''. In: K. Dautenhahn, ed., Socially Intelligent Agents: Papers from the 1997 AAAI Fall Symposium (November 1997, MIT, Cambridge, Massachusetts) FS-97-02, American Association for Artificial Intelligence Press, pp. 150-153.

207. P. Dömösi & C. Nehaniv, ``Finite Automata Networks and Products of Automata'', Proceedings of the First Symposium on Algebra, Languages and Computation (30 October-1 November 1997, University of Aizu, Japan) pp. 69-76, 1998.

208. C. L. Nehaniv & K. Dautenhahn, ``Semigroup Expansions for Autobiographic Agents'', Proceedings of the First Symposium on Algebra, Languages and Computation (30 October-1 November 1997, University of Aizu, Japan), pp. 77-84, 1998.

209. C. L. Nehaniv, ``Algebraic Models for Understanding: Coordinate Systems and Cognitive Empowerment''. In: J. P. Marsh, C. L. Nehaniv, B. Gorayska, Eds., Proceedings of the Second International Conference on Cognitive Technology: Humanizing the Information Age, IEEE Computer Society Press, pp. 147-162, 1997.

210. P. Dömösi & C. Nehaniv. ``Some Results and Problems on Finite Homogeneous Automata Networks'', In: Proc. Japanese Mathematical Society Annual Meeting (JAMS), Workshop on Languages, Computation & Algebras, (27-28 August, 1997, Kobe, Japan), 1998.

211. C. L. Nehaniv & J. L. Rhodes, ``Krohn-Rhodes Theory, Hierarchies, and Evolution". In: B. Mirkin, F. R. McMorris, F. S. Roberts, and A. Rzhetsky, Eds., Mathematical Hierarchies and Biology. DIMACS Series in Discrete Mathematics and Theoretical Computer Science. Amer. Math. Society, Providence, pp. 29-42, 1997.

212. P. Dömösi, M. Ito, M. Katsura, & C. Nehaniv, ``New Pumping Property of Context-Free Languages". In: D. S. Bridges, C. S. Calude, J. Gibbons, S. Reeves and I. Witten, Eds., Combinatorics, Complexity & Logic, Series on Discrete Mathematics and Theoretical Computer Science, Springer Verlag, pp. 187-193, 1996.

213. C. L. Nehaniv, ``A Simple, Direct Proof of the Krohn-Rhodes Theorem''. In: Y. Kobayashi & R. Matsuda, Eds., Proceedings of the 20th Symposium on Semigroups, Languages, and Their Related Areas, Mito, Japan, pp. 29-33, November 1996.

214. M. A. M. Capretz & C. L. Nehaniv, ``Software Maintenance via the Algebra of Forms'', Proc. XVI International Conference of the Chilean Computer Science Society, (Valdivia, Chile), pp. 234-244, Nov. 1996.

215. C. L. Nehaniv, ``Algebra & Formal Models of Understanding". In: M. Ito, ed., Semigroups, Formal Languages and Computer Systems, Kyoto Research Institute for Mathematics Sciences, RIMS Kokyuroku, vol. 960, pp. 145-154, August 1996.

216. C. L. Nehaniv, ``Complexity of Finite Aperiodic Semigroups and Star-Free Languages''. In: J. Almeida, G. Gomes, P. Silva, Eds., Semigroups, Automata, Languages, World Scientific, pp. 195-209, 1996.

217. C. L. Nehaniv, ``From Relation to Emulation: The Covering Lemma for Transformation Semigroups'', Journal of Pure & Applied Algebra, Vol. 107, No. 1, pp. 75-87, 1996.

218. C. Nehaniv & J. Rhodes, ``Kernels for Direct Products of Semigroups and Transformation Semigroups''. In: K. Shoji, ed., Proceedings of the 19th Symposium on Semigroups, Languages, and Their Related Areas, Matsue, Japan, pp. 40-48, 1995.

219. C. L. Nehaniv, ``Left-Simple Semigroups from a Global Viewpoint''. In Kar Ping Shum, Yuqi Guo, Masami Ito, and Yuen Fong, Eds., Semigroups (International Conference in Semigroups and Its Related Topics, Yunnan University, Kunming, China, 1995). Springer-Verlag, pp. 234-244, 1998.

220. B. Austin, K. Henckell, C. Nehaniv, & J. Rhodes, ``Subsemigroups and Complexity via the Presentation Lemma'', Journal of Pure & Applied Algebra, Vol. 101, No. 3, pp. 245-289, 1995.

221. C. L. Nehaniv, ``Cascade Decomposition of Arbitrary Semigroups''. In: J. B. Fountain, ed., NATO Advanced Science Institute on Semigroups, Formal Languages and Groups, York, UK, August 7-21, 1993, Kluwer Academic Publishers, pp. 391-425, 1995.

222. C. L. Nehaniv, ``Monoids and Groups Acting on Trees: Characterizations, Gluing, and Applications of the Depth Preserving Actions'', International Journal of Algebra & Computation, Vol. 5, No. 2, pp. 137-172, 1995.
     [ISSN: 0218-1967]

223. P. Dömösi, M. Ito, M. Katsura, & C. Nehaniv, ``On Context-Free Derivation", 8th International Conference on Automata & Formal Languages (AFL'96) , abstract.

224. C. L. Nehaniv, ``Towards Functorial Wreath Product Decompositions'', 8th International Conference on Automata & Formal Languages (AFL'96) , abstract.
     [manuscript]

225. ``Towards the Application of Algebraic Formal Support in a Software Maintenance Environment'', M. A. M. Capretz & C. L. Nehaniv. In: Evolving Systems: Proc. Ninth European Workshop on Software Maintenance, Durham, U. K., 1995.

226. ``Hierarchical Multimodel-Based Structural Consistency Support Tools for Specifying and Prototyping Complex Systems'', W. K. Cheung, C. L. Nehaniv, K. T. Miura, & Y. S. Ho. In: Proc. 19th Annual International Computer Software & Applications Conference (COMPSAC'95), IEEE Computer Science Press, pp. 245-254, 1995.

227. C. L. Nehaniv, ``Computing What a Relation Fails to Express: Kernel Theorems for Transition Automata''. In: M. Ito, ed., Semigroups, Formal Languages, and Combinatorics on Words , Kyoto Research Institute for Mathematics Sciences, RIMS Kokyuroku, Vol. 910, pp. 60-66, May 1995.

228. C. L. Nehaniv, ``From Relation to Emulation: The Covering Lemma for Transformation Semigroups''. In: Y. Kobayashi & K. Takizawa, Eds., Proceedings of the 18th Symposium on Semigroups, Languages, and Their Related Areas, Tokyo, Japan, pp. 11-22, 1994.
     (published journal version listed above)

229. G. Z. Elston & C. L. Nehaniv, ``Holonomy Embedding of Arbitrary Stable Semigroups'', Colloquium on Semigroups, Szeged, Hungary, p. 26, August 1994.
     (published journal version listed above).

230. C. L. Nehaniv, ``Cascade Synthesis & Decomposition of Arbitrary Groups'', ICM 94 Abstracts of Short Communications, Zürich, Switzerland, International Congress of Mathematicians, p. 22, August 1994. (journal version in preparation).

231. C. L. Nehaniv, ``Algebraic Engineering of Understanding: Global Hierarchical Coordinates on Computation''. In: Proc. 18th Annual International Computer Software & Applications Conference (COMPSAC'94), IEEE Computer Society Press,pp. 418-425, 1994.

232. C. L. Nehaniv, ``Complexity of Finite Aperiodic Semigroups and Star-Free Languages''. In: M. Tokizawa, ed, Semigroups, Languages, and Their Related Fields, Tokyo, Japan, pp. 69-81, 1993.
     (Extended version listed above).

233. C. L. Nehaniv, ``The Algebra of Time''. In: Proc. National Conf. of the Japan Society for Industrial and Applied Mathematics , pp. 127-128, September 1993.

234. C. L. Nehaniv, ``Algebraic Connectivity'', International Journal of Algebra & Computation, Vol. 1, No. 4, pp. 445-471, 1991.
     [ISSN: 0218-1967]
     

     Some Manuscripts under Review or in Preparation

235. G. Horváth & C. L. Nehaniv, "Functionally complete algebras, semigroups, and semirings", submitted for journal publication.

236. K. Dautenhahn, C. L. Nehaniv, M. L. Walters, B. Robins, H. Kose-Bagci, N. A. Mirza, M. Blow, D. C. Lee, "KASPAR - The Design of a Minimally Expressive Humanoid Robot for Human-Robot Interaction", submitted for journal publication.

237. H. Kose-Bagci, K. Dautenhahn, D. S. Syrdal, C. L. Nehaniv, "Drum-mate: Interaction dynamics and gestures in human-humanoid drumming experience", submitted for journal publication.

238. A. Egri-Nagy & C. L. Nehaniv, Computational Understanding and Manipulation of Symmetries without Learning, submitted to international conference.

239. J. F. Knabe, C. L. Nehaniv & M. J. Schilstra, "Genotype-Phenotype Maps and their impact on Differentiation in Genetic Regulatory Networks", submitted for journal publication.

240. A. Alissandrakis, C. L. Nehaniv, K. Dautenhahn, J. Saunders, "Imitating Using JABBERWOCKY to Achieve Corresponding Effects in Context", submitted for journal publication

241. D. S. Ananichev, P. Dömösi, and C. L. Nehaniv, ``Some Properties of Digraphs and Semigroups'', (accepted subject to minor revision for journal Acta Cybernetica).
     [ISSN: 0324-721X]

242. A. Egri-Nagy, C. L. Nehaniv, "Exploration of the Space of Finite State Automata Using the Holonomy Decomposition", International Conference on Semigroups and Languages in Honour of the 65th Birthday of Donald B. McAlister, July 12-15, 2005 CENTRO DE ÁLGEBRA DA UNIVERSIDADE DE LISBOA Lisboa PORTUGAL, [on-line abstract].

243. A. Egri-Nagy, C. L. Nehaniv, "Understanding the Holonomy Decomposition by Examples". .

244. A. Egri-Nagy and C. L. Nehaniv, "An Algorithm for the Holonomy Decomposition and Its Computational Complexity",

245. I. Abnizova, M. Schilstra, R. te Boekhorst, & C. L. Nehaniv, ``A statistical approach to distinguish between different DNA functional parts'' (conference version published November 2003; extended journal version in preparation).

246. C. L. Nehaniv, ``Cascade Synthesis of Arbitrary Groups'', presented at International Conference on Group Theory: Combinatorial, Geometric, and Dynamical Aspects of Infinite Groups, 1-6 June 2003, Gaeta, Italy. (published abstract, journal version in preparation).

247. C. L. Nehaniv, ``Synthesis of Least-Depth Circuits for Aperiodic Computation'', presented at Joint DIMACS-DIMATIA Workshop on Algebraic Methods and Arithmetic Circuits, June 2-4, 1999 -- DIMACS Center, CoRE Building, Rutgers University, Piscataway, NJ, USA. (full manuscript available).

248. C. L. Nehaniv, ``Open-Ended Evolution -or- my artificial lives and how I lost them'', (under revision for journal submission).

249. C. L. Nehaniv, "Narrative for Artifacts"

250. C. L. Nehaniv, ``Constructive Biology of Emotion Systems: First and Second Person Methods for Grounding Adaptation in a Biological and Social World'', (manuscript). Revised and updated version with Lola Cañamero in preparation for journal submission.

251. C. L. Nehaniv & J. L. Rhodes, "The Evolution of Biological Complexity from an Algebraic Perspective: Genius Jumps".

252. C. L. Nehaniv, ``Local Time: Escaping from Global Update in Cellular Automata and Related Systems'', (Based of Manuscript of August 1998). IJAC journal paper (see above): ``Asynchronous Automata Networks Can Emulate Any Synchronous Automata Network''.

253. C. L. Nehaniv, ``Embedding Synchronous Automata Networks into Asynchronous Ones'', abstract to international conference Automata and Formal Languages , Vasszécsény, Hungary, .

254. C. L. Nehaniv, ``The Peirce-Shannon-Wittgenstein Analysis of Information, Meaning, Communication, and Use in Adaptive Systems and Its Applications'' (title tentative)

255. C. L. Nehaniv, ``Maximal Subgroups of Burnside Semigroups''.

256. M. Kutar, C. Nehaniv, C. Britton, & M. Loomes, ``Natural Specification of Time Granularity: NGT'', (in preparation for journal submission).

257. C. L. Nehaniv, J. L. Rhodes, B. Steinberg, "Mackey Penetrates Everything - Frobenius Reciprocity and the Dual Theory of Kernels" (title tentative)

258. C. L. Nehaniv and M. Volkov, "Complexity is Tough: No Finite Basis of Pseudoidentities for the Krohn-Rhodes Hierarchy" (title tentative)

259. J. Rhodes, C. L. Nehaniv and B. Steinberg, "A Counterexample in Finite Semigroup Theory".

Books / Journals / Edited Proceedings

1. Applications of Automata Theory and Algebra via the Mathematical Theory of Complexity to Finite-State Physics, Biology, Philosophy, and Games, by John Rhodes, editor: C. L. Nehaniv, foreword by Morris W. Hirsch, World Scientific Press, 2009
   ISBN: 978-981-283-696-0 (hardcover), ISBN: 978-981-283-697-7 (paperback)

2. Third International IEEE Workshop on Software Evolvability, Paris, France, 1 October 2007, IEEE Computer Society Press, 2007.
   [ISBN 0-7695-3002-8]

3. Imitation and Social Learning in Robots, Humans and Animals: Behavioural, Social and Communicative Dimensions, C. L. Nehaniv & K. Dautenhahn (editors). Cambridge Univ. Press, 2007.

4. Emergence of Communication and Language, C. Lyon, C. L. Nehaniv, A. Cangelosi (Eds.), Springer Verlag: London, 2007.
   [ISBN-10: 1-84628-491-0, ISBN-13: 978-1-84628-491-5]
   [ECL book's homepage]

5. Symbol Grounding and Beyond: Third International Workshop on the Emergence and Evolution of Linguistic Communications, EELC 2006, Rome, Italy, September 30-October 1, 2006, Lecture Notes in Artificial Intelligence Vol. 4211, P. Vogt, Y. Sugita, E. Tuci, & C Nehaniv, (Eds.), Springer Verlag, 2006.
   ISBN-10: 3-540-45769-0, ISBN-13: 978-3-540-45769-5

6. Second International IEEE Workshop on Software Evolvability, Philadelphia, Pennsylvania, USA, 24 Septebmer 2006, IEEE Computer Society Press, 2006.
   [ISBN 0-7695-2698-5]

7. Proceedings Ro-Man 2006 - The 15th IEEE International Symposium on Robot and Human Interactive Communication, 6-8 September 2006, University of Hertfordshire, Hatfield, United Kingdom.
   [ISBN 1-4244-0564-5] [IEEE Catalog Number: 06TH8907] [Library of Congress: 2006930786]

8. Algebraic Theory of Finite Automata Networks: An Introduction, P. Dömösi and C. L. Nehaniv, SIAM Monographs on Discrete Mathematics and Applications 11 (Society for Industrial and Applied Mathematics, Philadelphia), 2005.
   [ISBN: 0-89871-569-5]

9. Proceedings of IEEE International Workshop on Software Evolvability (ICSM 2005 Software Evolvability Proceedings -International Conference on Software Maintenance - Budapest Hungary, 26-29 September, 2005), Program Chairs: C. L Nehaniv & P. Wernick, IEEE Computer Science Press, 2005.
   [ISBN: 0-7695-2460-5]

   Introduction to IEEE Software Evolvability Workshop by C. L. Nehaniv and P. Wernick, pp. vi-vii.

10. Special Issue of SELECTION (Editor-in-Chief: Eörs Szathmáry), guest edited by Chrystopher L. Nehaniv and René te Boekhorst on EVOLVABILTY & INDIVIDUALITY. [Papers appear in BioSystems, due to folding of Selection.]

11. EVOLVABILITY Special Issue of BioSystems: Journal of Biological and Information Processing Sciences published by Elsevier Science, guest edited by Chrystopher L. Nehaniv, Vol. 69, Nos. 2-3, May 2003.
    [ISSN: 0303-2647]

12. Special section on "Imitation in Animals & Artifacts", K. Dautenhahn & C. L. Nehaniv (editors) in The Interdisciplinary Journal of Artificial Intelligence and Simulation of Behavour, Vol. 1, No. 4, pp. 303-347, 2003.
    [ISSN: 1476-3036]

13. Evolvability and Interaction: Evolutionary Substrates of Communication, Signaling, and Perception in the Dynamics of Social Complexity (EPSRC Network on Evolvability in Biological and Software Systems). Peter McOwan, Kerstin Dautenhahn, and Chrystopher L. Nehaniv, Editors.
    [Available as University of Hertfordshire Computer Science Technical Report No. 393.]

14. Evolvability, Genetics & Development in Natural and Constructed Systems: Abstracts of the EPSRC Evolvability Network Symposium, August 2003. C. L. Nehaniv, P. J. Bentley and S. Kumar (Editors). Available as University of Hertfordshire Computer Science Technical Report No. 389.

15. J. Miller, D. Polani, & C. L. Nehaniv (Eds.), Evolvability and Sensor Evolution Symposium Abstracts, EPSRC Network on Evolvability in Biological and Software Systems, April 2003.
    Available as University of Hertfordshire Computer Science Technical Report No. 384.

16. K. Dautenhahn & C. L. Nehaniv (Eds.), Proc. Second International Symposium on Imitation in Animals & Artifacts (7-11 April 2003 -- Aberystwyth, Wales -- AISB'03), The Society for the Study of Artificial Intelligence and Simulation of Behaviour.
    [ISBN: 1-902956-30-7]

17. C. L. Nehaniv & R. te Boekhorst (Eds.), Evolvability and Individuality Symposium, EPSRC Network on Evolvability in Biological and Software Systems, Septermber 2002.
    Available as University of Hertfordshire Technical Report No. 370.

18. Imitation in Animals and Artifacts, K. Dautenhahn and C. L. Nehaniv, editors, MIT Press, 2002.
    [ISBN: 0-261-0403-7]

19. C. L. Nehaniv, M. Loomes, P. Marrow, P. Wernick (Eds.), Software Evolution and Evolutionary Computation Symposium Abstracts, EPSRC Network on Evolvability in Biological and Software Systems, February 2002.
    Available as University of Hertfordshire Computer Science Technical Report No. 364.

20. Cognitive Technology: Instruments of Mind, M. Beynon, C. L. Nehaniv, K. Dautenhahn (Eds.), Springer Lecture Notes in Computer Science LNCS vol. 2117, 2001. [ISBN: 3-540-42406-7]

21. Cybernetics and Systems (Taylor and Francis), special issue on ``Imitation in Natural & Artificial Systems'', Guest editors: Chrystopher L. Nehaniv & Kerstin Dautenhahn, 32(1-2), 2001.
    [ISSN: 0196-9722]

22. Theoretical Computer Science (Elsevier), vol. 245, number 1, 2000, special issue on ``Semigroups & Algebraic Engineering'', Guest editors: Masmai Ito and Chrystopher L. Nehaniv.
    [ISSN: 0304-3975]

23. Artificial Life (MIT Press), volume 6, number 1, special issue on ``The Right Stuff: Appropriate Mathematics for Evolutionary and Developmental Biology'', Guest editors: Chrystopher L. Nehaniv & Günter P. Wagner, Winter 2000.
    [ISSN: 1064-5462]

24. Proceedings of the Evolvability Workshop at the Seventh International Conference on the Simulation and Synthesis of Living Systems (Artificial Life 7), C. L. Nehaniv, editor, 1-2 August, 2000. University of Hertfordshire Computer Science Department Technical Report 351.

25. Proceedings of the AISB'99 Symposium on Imitation in Animals and Artifacts (7-9 April 1999, Edinburgh, Scotland), K. Dautenhahn and C. L. Nehaniv, editors, The Society for the Study of Artificial Intelligence and Simulation of Behaviour, 1999.
    [ISBN: 1 902956 05 2]

26. Computation for Metaphors, Analogy & Agents, C. L. Nehaniv, ed., Lecture Notes in Artificial Intelligence, Vol. 1562, Springer Verlag, 1999.
    [ISBN: 3-540-65959-5]

27. Mathematical & Computational Biology: Computational Morphogenesis, Hierarchical Complexity & Digital Evolution, C. L. Nehaniv, ed., Lectures in Life Sciences Series, Volume 26, American Mathematical Society, Providence, Rhode Island, U. S. A., 1999.
    [ISBN: 0-8218-0941-5]

28. Algebraic Engineering, Chrystopher L. Nehaniv and Masami Ito, editors, Proceedings of the First International Conference on Semigroups & Algebraic Engineering (Aizu, Japan) and the International Workshop on Formal Languages & Computer Systems (Kyoto, Japan), World Scientific Press, 1999.
    [ISBN: 9810236670]

29. Proceedings of the First Symposium on Algebra, Languages and Computation (30 October-1 November 1997, University of Aizu, Japan), Editors: T. Imaoka and C. Nehaniv, Osaka Univ., 1998.
    [table of contents and some papers on-line] [ALC symposium series]

30. Proceedings of the Second International Conference on Cognitive Technology (CT'97). 25-28 August 1997, Aizu, Japan, J. P. Marsh, C. L. Nehaniv, B. Gorayska, editors, IEEE Computer Society Press, 1997.
    [ISBN: 0-8186-8084-9] [On-line at IEEE Computer Society www.computer.org]

31. Plenary Working Papers in Computation for Metaphors, Analogy and Agents;
    Working Papers in Computation for Metaphors, Analogy and Agents; &
    Late-Breaking Working Papers in Computation for Metaphors, Analogy and Agents (Proceedings of an International Workshop, 6-10 April 1998 - Aizu, Japan), C. Nehaniv, ed., University of Aizu Technical Reports 98-1-005, 98-1-004, resp. 98-1-006.

32. The Right Stuff: Appropriate Mathematics for Evolutionary and Developmental Biology, Chrystopher L. Nehaniv & Günter P. Wagner, Eds., Workshop Extended Abstracts for the Sixth International Conference on Artificial Life (University of California, Los Angeles - 26-29 June 1998), University of Hertfordshire Technical Report 315, June 1998.

    Ph.D. Thesis

33. Global Sequential Coordinates on Semigroups, Automata, and Infinite Groups, Ph.D. Thesis in Mathematics, University of California, Berkeley, 1992. Published by University Microfilms International (Ann Arbor, Michigan).

    Forthcoming Books

34. Artificial Life Fundamentals: The Simulation and Synthesis of Living Systems, C. L. Nehaniv and K. Dautenhahn, Springer Verlag (in preparation).

Selected Technical Reports

• "Converting Resources into Persistence and Progeny: What Heritability, Self-Maintenance, Symbiosis and Responsive Dynamics via Genetic Regulatory Networks Tell Us about Possible Modes of Life", University of Hertfordshire School of Computer Science Technical Report, No. 412, August 2004.

• D. Jacob, D. Polani, and C. L. Nehaniv, "EMBER: Learning with Embodiment-based Modular Reinforcement"
  Available as University of Hertfordshire School of Computer Science Technical Report 398, Jan. 2004.

• A. Egri-Nagy and C. L. Nehaniv, "Algebraic Hierarchical Decomposition of Finite State Automata: Effective Implementations for Krohn-Rhodes Theory"
  Available as University of Hertfordshire School of Computer Science Technical Report 407, March 2003.

• ``The Class of Finite Semigroups of Complexity at Most One Has No Finite Basis of (Pseudo)Identities'', University of Hertfordshire Technical Report No. 371, 10 September 2002.

• Interdisciplinary Design Methodologies Forum (Abstracts), C. L. Nehaniv (editor), University of Hertfordshire Technnical Report 349, 31 May 2000.

• ``Temporal Dilation in Automata: Synthesis of Least Depth Circuits without Feedback for Asynchronized Aperiodic Automata'', University of Aizu Technical Report 95-1-042, Dec. 28, 1995.

• ``Text of a Public Lecture on the Algebra of Understanding'', University of Aizu Technical Report 94-1-043, Sept. 12, 1994.

• ``Global Structure of Finite Semigroups and Automata'', University of Aizu Technical Report 93-4-001, Sept. 30, 1993.

Reviews