Game theory, evolutionary game theory, language evolution, strategic aspects of communication.
Publications
Finite populations choose an optimal language (2007), Journal of Theoretical Biology, 249, 606-616.
Why evolution does not always lead to an optimal signaling system (2008), Games and Economic Behavior 63, 203-226.
One-third rules with equality: second-order evolutionary stability conditions in finite populations, with Immanuel Bomze (2008),Journal of Theoretical Biology, 254, 616-620.
Neutral stability, drift, and the diversification of languages, with Panayotis Mertikopoulos and Nikolaus Ritt (2011), Journal of Theoretical Biology 287, 1-12.
Stochastic evolutionary dynamics resolve the Traveler's Dilemma, with Michael L. Manapat, David G. Rand, and Martin A. Nowak (2012), Journal of Theoretical Biology 303, 119-127.