AN EXTRAGRADIENT METHOD FOR VECTOR EQUILIBRIUM PROBLEMS ON HADAMARD MANIFOLDS

被引:12
作者
Iusem, Alfredo N. [1 ]
Mohebbi, Vahid [2 ]
机构
[1] Inst Matematica Pura & Aplicada, Estr Dona Castorina 110, BR-22460320 Rio De Janeiro, RJ, Brazil
[2] Univ Texas El Paso, Dept Pharmaceut Sci, 500 W Univ Ave, El Paso, TX 79968 USA
来源
JOURNAL OF NONLINEAR AND VARIATIONAL ANALYSIS | 2021年 / 5卷 / 03期
关键词
Extragradient method; Hadamard manifold; Linesearch; Vector equilibrium problem; Vector valued bifunction; GENERALIZED MONOTONE BIFUNCTIONS; PROXIMAL POINT ALGORITHM; VARIATIONAL-INEQUALITIES; OPTIMIZATION; EXISTENCE;
D O I
10.23952/jnva.5.2021.3.09
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We consider the vector equilibrium problem in Hadamard manifolds, which extends the scalar equilibrium problem to vector valued bifunctions. We propose an extragradient method for solving this problem. Under suitable assumptions on the bifunction, we prove that the generated sequence converges to a solution of the problem. We also give some examples of Hadamard manifolds and vector equilibrium problems to which our main result can be applied. Finally, we present some numerical experiments.
引用
收藏
页码:459 / 476
页数:18
相关论文
共 33 条
[1]   VISCOSITY METHOD WITH A φ-CONTRACTION MAPPING FOR HIERARCHICAL VARIATIONAL INEQUALITIES ON HADAMARD MANIFOLDS [J].
Al-Homidan, Suliman ;
Ansari, Qamrul Hasan ;
Babu, Feeroz ;
Yao, Jen-Chih .
FIXED POINT THEORY, 2020, 21 (02) :561-584
[2]   Halpern- and Mann-Type Algorithms for Fixed Points and Inclusion Problems on Hadamard Manifolds [J].
Al-Homidan, Suliman ;
Ansari, Qamrul Hasan ;
Babu, Feeroz .
NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION, 2019, 40 (06) :621-653
[3]   Existence and boundedness of solutions to inclusion problems for maximal monotone vector fields in Hadamard manifolds [J].
Ansari, Qamrul Hasan ;
Babu, Feeroz .
OPTIMIZATION LETTERS, 2020, 14 (03) :711-727
[4]  
Ansari QH, 2020, APPL ANAL, V99, P340, DOI 10.1080/00036811.2018.1495329
[6]  
BACAK M., 2014, CONVEX ANAL OPTIMIZA, V22, DOI DOI 10.1515/9783110361629
[7]   Generalized monotone bifunctions and equilibrium problems [J].
Bianchi, M ;
Schaible, S .
JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, 1996, 90 (01) :31-43
[8]   Proximal methods in vector optimization [J].
Bonnel, H ;
Iusem, AN ;
Svaiter, BF .
SIAM JOURNAL ON OPTIMIZATION, 2005, 15 (04) :953-970
[9]   Equilibrium Problems with Generalized Monotone Bifunctions and Applications to Variational Inequalities [J].
O. Chaldi ;
Z. Chbani ;
H. Riahi .
Journal of Optimization Theory and Applications, 2000, 105 (2) :299-323
[10]   Equilibrium problems in Hadamard manifolds [J].
Colao, Vittorio ;
Lopez, Genaro ;
Marino, Giuseppe ;
Martin-Marquez, Victoria .
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2012, 388 (01) :61-77