REGULARIZED JACOBI-TYPE ADMM-METHOD FOR FINDING SOLUTIONS TO GENERALIZED NASH EQUILIBRIUM PROBLEM

  • Emmanuel Akaligwo Federal University Lokoja
  • Pius Opara
  • Aharanwa Boniface
Keywords: convex optimization, weak convergence, monotonicity, hilbert space

Abstract

In this paper, we extended the well-known alternating direction method of multipliers (ADMM) for optimization problems to generalized Nash equilibrium problems (GNEP) with shared constraints. We developed an ADMM-type algorithm with fixed regularization to tackle the problem (GNEP) where an upper estimate for the operator norm is not known and then we apply a multiplier-penalty in order to get rid of the joint constraints. We equipped the Hilbert space with an appropriate weighted scalar product and it turns out to be weakly convergent under a lipschitz and monotonicity assumption. A proximal term is then added to improve the convergence properties. Furthermore, a comparative analysis of quasi-variational inequality method, interior point method, penalty method and the proposed method are discussed.

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Published
2023-08-30
How to Cite
AkaligwoE., Opara P., & Boniface A. (2023). REGULARIZED JACOBI-TYPE ADMM-METHOD FOR FINDING SOLUTIONS TO GENERALIZED NASH EQUILIBRIUM PROBLEM. FUDMA JOURNAL OF SCIENCES, 7(4), 72 - 75. https://doi.org/10.33003/fjs-2023-0704-1815