New inertial algorithm for a class of equilibrium problems

• Published in: Numerical algorithms Vol. 80; no. 4; pp. 1413 - 1436
• Main Author: Van Hieu, Dang
• Format: Journal Article
• Language: English
• Published: New York Springer US 01.04.2019; Springer Nature B.V
• Subjects: Algebra; Algorithms; Computer Science; Convergence; Equilibrium; Mathematics; Methods; Numeric Computing; Numerical Analysis; Optimization; Original Paper; Theory of Computation; Proximal-like method; Strongly pseudomonotone bifunction; 47J20; Equilibrium problem; Lipschitz-type bifunction; 47H05; 47J25; Regularized method; 65J15; 91B50
• ISSN: 1017-1398; 1572-9265
• DOI: 10.1007/s11075-018-0532-0

The article introduces a new algorithm for solving a class of equilibrium problems involving strongly pseudomonotone bifunctions with a Lipschitz-type condition. We describe how to incorporate the proximal-like regularized technique with inertial effects. The main novelty of the algorithm is that it can be done without previously knowing the information on the strongly pseudomonotone and Lipschitz-type constants of cost bifunction. A reasonable explain for this is that the algorithm uses a sequence of stepsizes which is diminishing and non-summable. Theorem of strong convergence is proved. In the case, when the information on the modulus of strong pseudomonotonicity and Lipschitz-type constant is known, the rate of linear convergence of the algorithm has been established. Several of experiments are performed to illustrate the numerical behavior of the algorithm and also compare it with other algorithms.