Abstract
In this paper, an extragradient-type method is introduced for finding a common element in the solution set of generalized equilibrium problems, in the solution set of classical variational inequalities and in the fixed point set of strictly pseudocontractive mappings. It is proved that the iterative sequence generated in the purposed extragradient-type iterative process converges weakly to some common element in real Hilbert spaces.
Similar content being viewed by others
References
Acedo G.L., Xu H.K.: Iterative methods for strict pseudo-contractions in Hilbert spaces. Nonlinear Anal. 67, 2258–2271 (2007)
Aoyama K., Kimura Y., Takahashi W., Toyoda M.: Approximation of common fixed points of a countable family of nonexpansive mappings in a Banach space. Nonlinear Anal. 67, 2350–2360 (2007)
Browder F.E., Petryshyn W.V.: Construction of fixed points of nonlinear mappings in Hilbert space. J. Math. Anal. Appl. 20, 197–228 (1967)
Blum E., Oettli W.: From optimization and variational inequalities to equilibrium problems. Math. Stud 63, 123–145 (1994)
Combettes P.L., Hirstoaga S.A.: Equilibrium programming in Hilbert spaces. J. Nonlinear Convex Anal. 6, 117–136 (2005)
Chinchuluun A., Migdalas A., Pardalos P.M., Pitsoulis L.: Pareto Optimality. Game Theory and Equilibria. Springer, Newyork (2008)
Giannessi F., Pardalos P.M., Rapcsak T.: New Trends in Equilibrium Systems. Kluwer Academic Publishers, Dodrecht (2001)
Iiduka H., Takahashi W.: Weak convergence theorem by Cesàro means for nonexpansive mappings and inverse-strongly monotone mappings. J. Nonlinear Convex Anal. 7, 105–113 (2006)
Iiduka H., Takahashi W., Toyoda M.: Approximation of solutions of variational inequalities for monotone mappings. PanAmer. Math. J. 14, 49–61 (2004)
Jaiboon C., Kumam P., Humphries U.W.: Weak convergence theorem by an extragradient method for variational inequality, equalibrium and fixed point problems. Bull. Malays. Math. Sci. Soc. 32, 131–136 (2009)
Kumam P., Petrot N., Wangkeeree R.: A hybrid iterative scheme for equilibrium problems and fixed point problems of asymptotically k-strict pseudo-contractions. J. Comput. Appl. Math. 233, 2013–2026 (2010)
Marino G., Xu H.K.: Weak and strong convergence theorems for strict pseudo-contractions in Hilbert spaces. J. Math. Anal. Appl. 329, 336–346 (2007)
Moudafi A.: Weak convergence theorems for nonexpansive mappings and equilibrium problems. J. Nonlinear Convex Anal. 9, 37–43 (2008)
Nilsrakooa W., Saejung S.: Weak and strong convergence theorems for countable Lipschitzian mappings and its applications. Nonlinear Anal. 69, 2695–2708 (2008)
Nadezhkina N., Takahashi W.: Weak convergence theorem by an extragradient method for nonexpansive mappings and monotone mappings. J. Optim. Theory Appl. 128, 191–201 (2006)
Opial Z.: Weak convergence of the sequence of successive approximation for nonexpansive mappings. Bull. Am. Math. Soc. 73, 591–597 (1967)
Plubtieng S., Kumam P.: Weak convergence theorem for monotone mappings and a countable family of nonexpansive mappings. J. Comput. Appl. Math. Nonlinear Anal. 224, 614–621 (2009)
Peng J.W., Yao J.C.: Weak convergence of an iterative scheme for generalized equilibrium problems. Bull. Austral. Math. Soc. 79, 437–453 (2009)
Qin X., Cho Y.J., Kang S.M.: Viscosity approximation methods for generalized equilibrium problems and fixed point problems with applications. Nonlinear Anal. 72, 99–112 (2010)
Qin X., Cho Y.J., Kang S.M.: Convergence theorems of common elements for equilibrium problems and fixed point problems in Banach spaces. J. Comput. Appl. Math. 225, 20–30 (2009)
Rockafellar R.T.: On the maximality of sums of nonlinear monotone operators. Trans. Amer. Math. Soc. 149, 75–88 (1970)
Schu J.: Weak and strong convergence of fixed points of asymptotically nonexpansive mappings. Bull. Austral. Math. Soc. 43, 153–159 (1991)
Tada A., Takahashi W.: Weak and strong convergence theorems for a nonexpansive mappings and an equilibrium problem. J. Optim. Theory Appl. 133, 359–370 (2007)
Takahashi W., Toyoda M.: Weak convergence theorems for nonexpansive mappings and monotone mappings. J. Optim. Theory Appl. 118, 417–428 (2003)
Takahashi W., Zembayashi K.: Strong and weak convergence theorems for equilibrium problems and relatively nonexpansive mappings in Banach spaces. Nonlinear Anal. 70, 45–57 (2009)
Wattanawitoon K., Kumam P.: Strong convergence theorems by a new hybrid projection algorithm for fixed point problems and equilibrium problems of two relatively quasi-nonexpansive mappings. Nonlinear Anal. 3, 11–20 (2009)
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Qin, X., Cho, S.Y. & Kang, S.M. An extragradient-type method for generalized equilibrium problems involving strictly pseudocontractive mappings. J Glob Optim 49, 679–693 (2011). https://doi.org/10.1007/s10898-010-9556-2
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10898-010-9556-2
Keywords
- Strictly pseudocontractive mapping
- Nonexpansive mapping
- Inverse-strongly monotone mapping
- Equilibrium problem
- Variational inequality