Search Results for author: Pengdeng Li

Found 4 papers, 2 papers with code

Grasper: A Generalist Pursuer for Pursuit-Evasion Problems

1 code implementation19 Apr 2024 Pengdeng Li, Shuxin Li, Xinrun Wang, Jakub Cerny, Youzhi Zhang, Stephen Mcaleer, Hau Chan, Bo An

Pursuit-evasion games (PEGs) model interactions between a team of pursuers and an evader in graph-based environments such as urban street networks.

Graph Learning

Self-adaptive PSRO: Towards an Automatic Population-based Game Solver

no code implementations17 Apr 2024 Pengdeng Li, Shuxin Li, Chang Yang, Xinrun Wang, Xiao Huang, Hau Chan, Bo An

(2) We propose the self-adaptive PSRO (SPSRO) by casting the hyperparameter value selection of the parametric PSRO as a hyperparameter optimization (HPO) problem where our objective is to learn an HPO policy that can self-adaptively determine the optimal hyperparameter values during the running of the parametric PSRO.

Hyperparameter Optimization

Population-size-Aware Policy Optimization for Mean-Field Games

no code implementations7 Feb 2023 Pengdeng Li, Xinrun Wang, Shuxin Li, Hau Chan, Bo An

In this work, we attempt to bridge the two fields of finite-agent and infinite-agent games, by studying how the optimal policies of agents evolve with the number of agents (population size) in mean-field games, an agent-centric perspective in contrast to the existing works focusing typically on the convergence of the empirical distribution of the population.

Offline Equilibrium Finding

1 code implementation12 Jul 2022 Shuxin Li, Xinrun Wang, Youzhi Zhang, Jakub Cerny, Pengdeng Li, Hau Chan, Bo An

Extensive experimental results demonstrate the superiority of our approach over offline RL algorithms and the importance of using model-based methods for OEF problems.

Offline RL

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