نتایج جستجو برای: banach spaces nearlyuniformly llipschitzian mappings

تعداد نتایج: 153383  

Journal: :bulletin of the iranian mathematical society 2013
a. abkar m. eslamian

in this paper, we present some common fixed point theorems for two generalized nonexpansive multivalued mappings in cat(0) spaces as well as in uced banach spaces. moreover, we prove the existence of fixed points for generalized nonexpansive multivalued mappings in complete geodesic metric spaces with convex metric for which the asymptotic center of a bounded sequence in a bounded closed convex...

In this paper, we present some common fixed point theorems for two generalized nonexpansive multivalued mappings in CAT(0) spaces as well as in UCED Banach spaces. Moreover, we prove the existence of fixed points for generalized nonexpansive multivalued mappings in complete geodesic metric spaces with convex metric for which the asymptotic center of a bounded sequence in a bounded closed convex...

2015
A. AMINI-HARANDI

In this paper, we first introduce the class of generalized nonexpansive mappings in Banach spaces. This class contains both the classes of nonexpansive and ̨-nonexpansive mappings. In addition, we obtain some fixed point and coincidence point theorems for generalized nonexpansive mappings in uniformly convex Banach spaces. Our results extend some wellknown results in literature. 2010 Mathematic...

2011
WATARU TAKAHASHI JEN-CHIH YAO

In this paper, we first consider three classes of nonlinear mappings in Banach spaces which contain the class of 2-generalized hybrid mappings defined by Maruyama, Takahashi and Yao [22] in a Hilbert space. Then, we prove fixed point theorems for these classes of nonlinear mappings in Banach spaces.

2014
Eskandar Naraghirad Ngai-Ching Wong Jen-Chih Yao

The Opial property of Hilbert spaces and some other special Banach spaces is a powerful tool in establishing fixed point theorems for nonexpansive, and more generally, nonspreading mappings. Unfortunately, not every Banach space shares the Opial property. However, every Banach space has an alike Bregman-Opial property for Bregman distances. In this paper, using Bregman distances, we introduce t...

H. Fukhar-ud-din,

We construct one-step iterative process for an α- nonexpansive mapping and a mapping satisfying condition (C) in the framework of a convex metric space. We study △-convergence and strong convergence of the iterative process to the common fixed point of the mappings. Our results are new and are valid in hyperbolic spaces, CAT(0) spaces, Banach spaces and Hilbert spaces, simultaneously.

2012
XIANJIU HUANG CHUANXI ZHU Xianjiu Huang Chuanxi Zhu

The existing literature of fixed point theory contains many results enunciating fixed point theorems for self-mappings in metric and Banach spaces. Recently, Huang and Zhang [4] introduced the concept of cone metric spaces which generalized the concept of the metric spaces, replacing the set of real numbers by an ordered Banach space, and obtained some fixed point theorems for mapping satisfyin...

Journal: :mathematics interdisciplinary research 0
arsla hojat ansari department of mathematics, karaj branch, islamic azad university, karaj, iran, diana dolicanin-dekic faculty of technical science, 38000 kosovska mitrovica, feng gu institute of applied mathematics and department of mathematics, hangzhou normal university, hangzhou, zhejiang 310036, branislav popovic 4faculty of science, university of kragujevac, radoja domanovica 12, 34000 kragujevac, serbia, stojan n radenovic faculty of mechanical engineering, university of belgrade, kraljice marije 16, 11120 beograd, serbia

banach contraction principle has been generalized in different spaces by mathematicians over the years. mustafa and sims [18] proposed a new class of generalized metric spaces, which are called as g-metric spaces. in this type of spaces a non-negative real number is assigned to every triplet of elements. many mathematicians studied extensively various results on g-metric spaces by using the con...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1965
John S Boyer Edward B Knipling

Banach spaces have been given by Edelstein but under hypotheses on the existence of strong limit points for the sequence I Unx I which are difficult to verify. Cf. Edelstein, M., "On fixed and periodic points under contractive mappings," J. London Math. Soc., 37, 74-79 (1962), "On nonexpansive mappings of Banach spaces," Proc. Cambridge Philos. Soc., 60, 439-447 (1964). 9 Added in proof: After ...

In this paper, we study the iterations of quasi $phi$-nonexpansive mappings and its applications in Banach spaces. At the first, we prove strong convergence of the sequence generated by the hybrid proximal point method to a common fixed point of a family of quasi $phi$-nonexpansive mappings.  Then, we give  applications of our main results in equilibrium problems.

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