Tommy Tan is a game theorist and economist whose work engages the epistemic foundations of game theory, particularly the formal modeling of knowledge, belief, and rationality among agents. He is known for contributions to the logical and probabilistic underpinnings of solution concepts in games, with scholarly engagement with figures such as Robert Aumann and Robert Stalnaker on questions of common knowledge and belief revision.
Co-authored influential work on Bayesian foundations of game-theoretic solution concepts
Contributed to formal analysis of rationalizability under uncertainty
Engaged critically with divergences between probabilistic (Aumann) and modal-logical (Stalnaker) models of common knowledge
Applied epistemic logic to questions of interactive rationality in strategic settings