Journal of the Operations Research Society of China ›› 2025, Vol. 13 ›› Issue (1): 268-286.doi: 10.1007/s40305-023-00491-3

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A Semidefinite Relaxation Method for Linear and Nonlinear Complementarity Problems with Polynomials

Jin-Ling Zhao, Yue-Yang Dai   

  1. School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
  • Received:2022-09-02 Revised:2023-04-17 Online:2025-03-30 Published:2025-03-20
  • Contact: Jin-Ling Zhao,Yue-Yang Dai E-mail:jlzhao@ustb.edu.cn;xzwydreamer@163.com

Abstract: This paper considers semidefinite relaxation for linear and nonlinear complementarity problems. For some particular copositive matrices and tensors, the existence of a solution for the corresponding complementarity problems is studied. Under a general assumption, we show that if the solution set of a complementarity problem is nonempty, then we can get a solution by the semidefinite relaxation method; while if it does not have a solution, we can obtain a certificate for the infeasibility. Some numerical examples are given.

Key words: Semidefinite relaxation, Linear complementarity problem, Nonlinear complementarity problem, Tensor complementarity problem

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