Leijnen, S. (2016). Self-Constraining Deep Neural Networks. Accepted at the 15th Neural Computation and Psychology Workshop, August 8-9, 2016, Philadelphia, PA, USA.

Leijnen, S. & van Veen, F. (2016). Arkanet: Investigating Emergent Gameplay and Emergence. Accepted at the 1st combined DiGRA/FDG conference, August 1-6, Dundee, Scotland.

van Veen, F. & Leijnen, S (2016). Diversity Scale: an Evaluation Algorithm for Terrain Generators. Accepted at the 1st combined DiGRA/FDG conference, August 1-6, Dundee, Scotland.

Leijnen, S., Heskes, T. & Deacon, T. W. (2016). Exploring Constraint: Simulating Self-Organization and Autogenesis in the Autogenic Automaton. Accepted at the 15th conference on Artificial Life (ALIFE), July 4-8, 2016, Cancun, Mexico.

Leijnen, S., Brinkkemper, P. & Bouwer, A. (2015). Generating Game Mechanics in a Model Economy: a MoneyMaker Deluxe Case Study. Proceedings of the 6th workshop on Procedural Content Generation for Games at the Foundations of Digital Games conference, June 22-25, 2015, Pacific Grove, CA, USA.

Leijnen, S. (2015). Artificial Self from Artificial Self-Organization. Proceedings of the 1st From Information to Semiosis (FITS) symposium, June 20-21, 2015, Berkeley, CA, USA.

Leijnen, S. (2015). Self-undermining Dissipation in Recurrent Neural Networks. Proceedings of OCCAM, May 6-7, 2015, Osnabruek, Germany.

Leijnen, S. (2014). Creativity and Constraint in Artificial Systems. PhD Dissertation.

Leijnen, S. & Dormans, J. (2014). Order of Battle: A Case Study for Designing Emergent Structure in Games. Proceedings of the 7th Complex Systems Modelling and Simulation workshop at the Artificial Life conference, July 30-August 2, 2014, NYC, USA.

Dormans, J. & Leijnen, S. (2013). Combinatorial and Exploratory Creativity in Procedural Content Generation. Proceedings of the 4th workshop on Procedural Content Generation for Games at the Foundations of Digital Games conference, May 14-17, 2013, Chania, Greece.

Leijnen, S. & Haselager, P. (2013). Creativity and Constraints in Self-Organizing Systems. Conceptual and Mathematical Foundations of Embodied Intelligence, February 27-March 1, 2013, Leipzig, Germany.

Leijnen, S. (2012). Emerging symbols. In T. Schilhab, F. Stjernfeld & T. Deacon (Eds.) The Symbolic Species Evolved. Biosemiotics 6. Dordrecht: Springer, pp. 253-262.

Leijnen, S. (2012). Creative Dynamics, New Patterns in the Reservoir. CONAS Workshop, March 29-30, Lyon, France.

Leijnen, S. (2012). Modeling Creative Processes in Nature and Mind. Foundations of Enactive Cognitive Science, February 27-28, 2012, Windsor, UK.

Gabora, L., Leijnen, S. & von Ghyczy, T. (2011). Imitation: more than just the greatest compliment. International Journal of Software and Informatics, 9.

Leijnen, S. (2011). Thinking Outside the Box: Creativity in Self-Programming Systems. Self-Programming in AGI Systems Workshop, August 4, 2011, Mountain View, CA.

Gabora, L., Leijnen, S., Veloz, T. & Lipo, C. (2011). A Non-Phylogenetic Conceptual Network Architecture for Organizing Classes of Material Artifacts into Cultural Lineages. Proceedings of the 33rd Annual Meeting of the Cognitive Science Society, July 20-23, 2011, Boston, MA.

Leijnen, S. & Gabora, L. (2010). An agent-based simulation of the effectiveness of creative leadership. CoRR, abs/1005.1516.

Gabora, L., Leijnen, S. & von Ghyczy, T. (2010). When Is Creativity Too Much of a Good Thing? A Computer Simulation. Proceedings of the 118th Annual Meeting of the American Psychological Association, August 12-15, 2010, San Diego, CA.

Leijnen, S. & Gabora, L. (2009). The artist loft effect in the clustering of creative types. Creativity & Cognition 2009, pp. 389-390.

Leijnen, S. & Gabora, L. (2009). DAWN: A Computer Model of the Development of a Creative Worldview. Proceedings of the 117th Annual Meeting of the American Psychological Association, August 6-9, 2009, Toronto, ON.

Leijnen, S., Gabora, L. (2009). How creative should creators be to optimize the evolution of ideas? A computational model. EPTCS, 9, pp. 108-119.

Gabora, L. & Leijnen, S. (2009). The tradeoff between degree of creativity and number of creators in a computational model of society. In B. Cooper & V. Danos (Eds.) Proceedings of Developments in Computational Models: Computational Models from Nature (DCM 09), Rhodes, Greece, July 11, 2009.

Wijngaards, N., Dignum, F., Jonker, P., de Ridder, T., Leijnen, S., Sturm, J., van Weers, S. (2005).Dutch AIBO Team at Robocup 2005.

Oomes, S., Jonker, P., Poel, M., Wiering, M., Caarls, W., Leijnen, S., van Weers, S., Wijngaards, N., Dignum, F. (2005). The Dutch AIBO Team report on RoboCup 2004.

Wiering, M., Leijnen, S., Koster, A., van Weers, S. & de Back, W. (2004). Autonomous intelligent robots at Utrecht University. International Journal of Advanced Robotic Systems, 1(2), pp. 125-128.

Unpublished

Leijnen, S. (2011). The Teleology Machine.

Leijnen, S. (2008). Emerging Symbols. M.Sc. Thesis.