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Convergence to Nash Equilibrium and No-regret Guarantee in (Markov) Potential Games
April 11, 2024, 4:42 a.m. | Jing Dong, Baoxiang Wang, Yaoliang Yu
cs.LG updates on arXiv.org arxiv.org
Abstract: In this work, we study potential games and Markov potential games under stochastic cost and bandit feedback. We propose a variant of the Frank-Wolfe algorithm with sufficient exploration and recursive gradient estimation, which provably converges to the Nash equilibrium while attaining sublinear regret for each individual player. Our algorithm simultaneously achieves a Nash regret and a regret bound of $O(T^{4/5})$ for potential games, which matches the best available result, without using additional projection steps. Through …
abstract algorithm arxiv convergence cost cs.gt cs.lg equilibrium exploration feedback frank games gradient markov nash equilibrium recursive stochastic study type work
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