Operations Research Transactions ›› 2026, Vol. 30 ›› Issue (3): 73-98.doi: 10.15960/j.cnki.issn.1007-6093.2026.03.005

Special Issue: 运筹与管理前沿:模型、算法及其应用专辑

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Distributed algorithms for generalized Nash equilibrium problems based on Peaceman-Rachford splitting

JIN Zhushi1, GAN Tao2,3, XU Lingling2,3†   

  1. 1. School of Mathematical Sciences, Jiangsu University, Zhenjiang 212013, Jiangsu, China;
    2. School of Mathematical Sciences, Nanjing Normal University, Nanjing 210023, Jiangsu, China;
    3. Key Laboratory of Numerical Simulation for Large Scale Complex Systems (Nanjing Normal University), Ministry of Education, Nanjing 210023, Jiangsu, China
  • Received:2026-07-29 Published:2026-09-12

Abstract: This paper studies generalized Nash equilibrium problems with linear coupling constraints and proposes two distributed algorithms based on operator splitting. By introducing local estimates of other players' decisions for each player, the computation of variational generalized Nash equilibria is reformulated as a zero-finding problem of a double-augmented operator. Based on this reformulation, an inertial relaxed Douglas-Rachford splitting algorithm and a distributed algorithm based on Peaceman-Rachford splitting are constructed. Under linear coupling constraints, convex feasible sets, and the strong monotonicity and Lipschitz continuity of the pseudo-gradient mapping, the convergence of the proposed algorithms is established. Numerical experiments verify the effectiveness of the algorithms.

Key words: generalized Nash equilibrium problem, Peaceman-Rachford splitting method, inertial, convergence analysis

CLC Number: