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math.OC2026
Mean Field Competition of Optimal Switching: The Vanishing Entropy Regularization Approach
Zongxia Liang, Shu Wang, Xiang Yu
This paper studies a type of rank-based mean field game in which competing agents strategically switch among multiple effort regimes. We propose an entropy regularized auxiliary pr…
math.OC2026
Equilibrium for Time-inconsistent Mean Field Games: A Systematic Analysis by Entropy Regularization
Erhan Bayraktar, Zhenhua Wang, Xiang Yu +1
This paper studies the existence and approximation of equilibria for general time-inconsistent mean field game (MFG) problems in continuous time. To handle the intricate nonlocal e…
q-fin.MF2026
Mean-field game of mean-variance portfolio optimization with peer-based risk aversion
Weilun Cheng, Zongxia Liang, Sheng Wang +1
This paper investigates a class of mean-field game (MFG) for mean-variance (MV) portfolio optimization, highlighting a new type of relative performance encoded by the peer-based ri…