نتایج جستجو برای: firmly nonexpansive operator

تعداد نتایج: 103655  

2007
E. BROWDER

There are two important connections between the classes of nonexpansive and of accretive mappings which give rise to a strong connection between the fixed point theory of nonexpansive mappings and the mapping theory of accretive maps. These are: (1) If U is a nonexpansive mapping of D(U) into X, and if we set T — I--U, D(T)=D(U), then T is an accretive mapping of D{T) into X. (2) If { U(i)f t^O...

2010
Xin Zhang Yongfu Su XIN ZHANG YONGFU SU

The purpose of this paper is to prove strong convergence theorems for common fixed points of two families of weak relatively nonexpansive mappings and a family of equilibrium problems by a new monotone hybrid method in Banach spaces. Because the hybrid method presented in this paper is monotone, so that the method of the proof is different from the original one. We shall give an example which i...

2017
TORREY M. GALLAGHER

Mean nonexpansive mappings were first introduced in 2007 by Goebel and Japón Pineda and advances have been made by several authors toward understanding their fixed point properties in various contexts. For any given mean nonexpansive mapping of a Banach space, many of the positive results have been derived from knowing that a certain average of some iterates of the mapping is nonexpansive. Howe...

We introduce an implicit method for nding a common element of the set of solutions of systems of equilibrium problems and the set of common xed points of a sequence of nonexpansive mappings and a representation of nonexpansive mappings. Then we prove the strong convergence of the proposed implicit schemes to the unique solution of a variational inequality, which is the optimality condition for ...

2013
Daya Ram Sahu Abdul Rahim Khan Shin Min Kang SHIN MIN KANG

Approximate fixed point property problem for Mann iteration sequence of a nonexpansive mapping has been resolved on a Banach space independent of uniform (strict) convexity by Ishikawa [Fixed points and iteration of a nonexpansive mapping in a Banach space, Proc. Amer. Math. Soc. 59 (1976), 65–71]. In this paper, we solve this problem for a class of mappings wider than the class of asymptotical...

Journal: :IEEE Transactions on Power Systems 2021

With the proliferation of distributed generators and energy storage systems, traditional passive consumers in power systems have been gradually evolving into so-called “prosumers,” i.e., proactive consumers, which can both produce consume power. To encourage exchange among prosumers, sharing is increasingly adopted, usually formulated as a generalized Nash game (GNG). In this paper, approach pr...

Journal: :Journal of Industrial and Management Optimization 2022

<p style='text-indent:20px;'>In this paper, for solving the variational inequality problem over set of common fixed points a finite family demiclosed quasi-nonexpansive mappings in Hilbert spaces, we propose two new strongly convergent methods, constructed by specific combinations between steepest-descent method and block-iterative ones. The strong convergence is proved without boundedly ...

Journal: :J. Applied Mathematics 2013
Wei-Qi Deng Peng Bai

F(T) ̸ = 0. As an important generalization of nonexpansive mappings, the class of asymptotically nonexpansive mappings was introduced by Goebel and Kirk [1] in 1972, who proved that if K is a nonempty, closed, and convex subset of a real uniformly convex Banach space and T : K → K is an asymptotically nonexpansive mapping, then T has a fixed point. Since then, iterative techniques for approximat...

Journal: :sahand communications in mathematical analysis 0
ebrahim soori department of mathematics, lorestan university, p.o. box 465, khoramabad, lorestan, iran.

this paper introduces an implicit scheme for a   continuous representation of nonexpansive mappings on a closed convex subset of a hilbert space with respect to a   sequence of invariant means defined on an appropriate space of bounded, continuous real valued functions of the semigroup.   the main result is to    prove the strong convergence of the proposed implicit scheme to the unique solutio...

2010
Wanpen Chantarangsi Chaichana Jaiboon Poom Kumam

and Applied Analysis 3 The generalized mixed equilibrium problem is very general in the sense that it includes, as special cases, fixed point problems, variational inequality problems, optimization problems, Nash equilibrium problems in noncooperative games, the equilibrium problem, and Numerous problems in physics, economics, and others. Some methods have been proposed to solve problem 1.2 ; s...

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