نتایج جستجو برای: weakly contractive mapping

تعداد نتایج: 242347  

Journal: :Numerical Functional Analysis and Optimization 2021

We study Krasnoselskii-Mann style iterative algorithms for approximating fixpoints of asymptotically weakly contractive mappings, with a focus on providing generalized convergence proofs along explicit rates convergence. More specifically, we define new notion being ψ-weakly modulus, and present series abstract theorems which both generalize unify known results from the literature. Rates are fo...

Journal: :J. Applied Mathematics 2013
Chi-Ming Chen Jin-Chirng Lee Chao-Hung Chen

The well-known Banach’s fixed point theorem asserts that if D = X, f is contractive and (X, d) is complete, then f has a unique fixed point in X. In nonlinear analysis, the study of fixed points of given mappings satisfying certain contractive conditions in various abstract spaces has been investigated deeply. The Banach contraction principle [1] is one of the initial and crucial results in thi...

Journal: :Applicable Analysis and Discrete Mathematics 2021

The purpose of this paper is to present a common fixed point theorem for pair R-weakly commuting mappings defined on b-fuzzy metric spaces satisfying nonlinear contractive conditions Boyd-Wong type, obtained in D. W. Boyd, J. S. Wong: On contractions, Proc. Amer. Math. Soc. 20 (1969), 458-464.

Journal: :Mathematical and Computer Modelling 2011
Cristina Di Bari Reza Saadati Pasquale Vetro

In this paper we introduce some contractive conditions of Meir–Keeler type for two mappings, called f -MK -pair mappings and f -CJM-pair (from Ciric, Jachymski, and Matkowski) mappings, in the framework of regular cone metric spaces and we prove theorems which guarantee the existence and uniqueness of common fixed points. We give also a fixed point result for a multivalued mapping that satisfie...

Journal: :Int. J. Math. Mathematical Sciences 2008
Yali Li Jianjun Liu Lei Deng

Let K be a nonempty closed convex subset of a reflexive and strictly convex Banach space E with a uniformly Gâteaux differentiable norm, F {T h : h ≥ 0} a generalized asymptotically nonexpansive self-mapping semigroup of K, and f : K → K a fixed contractive mapping with contractive coefficient β ∈ 0, 1 . We prove that the following implicit and modified implicit viscosity iterative schemes {xn}...

Journal: :Journal of Inequalities and Applications 2021

Abstract We prove the existence and uniqueness of fixed points some generalized contractible operators defined on modular G -metric spaces also -continuity such operators. Furthermore, we that weakly compatible contractive in have a unique point. Our results extend, generalize, complement include several known as special cases.

Journal: :Journal of Mathematical Analysis and Applications 2003

Journal: :Journal of Nonlinear Sciences and Applications 2018

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