نتایج جستجو برای: contractive type mapping

تعداد نتایج: 1523802  

Journal: :iranian journal of fuzzy systems 2014
nabi shobkolaei s. mansour vaezpour shaban sedghi

in this paper, we shall introduce the fuzzyw-distance, then prove a common fixed point theorem with respectto fuzzy w-distance for two mappings under the condition ofweakly compatible in complete fuzzy metric spaces.

Journal: :bulletin of the iranian mathematical society 2011
l.-p. yang

Journal: :bulletin of the iranian mathematical society 2011
r. saadati d. o'regan s. m. vaezpour j. k. kim

We present some fixed point results for a single mapping and a pair of compatible mappings via auxiliary functions which satisfy a generalized weakly contractive condition in partially ordered complete $G$-metric spaces. Some examples are furnished to illustrate the useability of our main results. At the end, an application is presented to the study of exi...

Journal: :bulletin of the iranian mathematical society 0
m. ‎demma‎ universita degli studi di palermo‎, ‎dipartimento di matematica e informatica‎, ‎via archirafi‎, ‎34‎, ‎90123 palermo‎, ‎italy. r. saadati department of mathematics‎, ‎iran university of science and technology‎, ‎tehran‎, ‎iran. p. vetro universita degli studi di palermo‎, ‎dipartimento di matematica e nformatica‎, ‎via archirafi‎, ‎34‎, ‎90123 palermo‎, ‎italy.

‎recently‎, ‎hussain et al.‎, ‎discussed the concept of $wt$-distance on a‎ ‎metric type space‎. ‎in this paper‎, ‎we prove some fixed‎ ‎point theorems for classes of contractive type multi-valued operators‎, ‎by using $wt$-distances in the setting of a complete metric type space‎. ‎these results generalize a result of feng and liu on multi-valued operators.

Journal: :bulletin of the iranian mathematical society 2012
hemant kumar nashine ishak altun

a common fixed point result for weakly increasing mappings satisfying generalized contractive type of zhang in ordered metric spaces are derived.

2014
Muhammad Akram Hussain Khan

In this paper, we establish some common fixed point theorems for fuzzy mappings satisfying fuzzy contractive conditions which are general than Chatterjee type and Kannan type fuzzy contractive conditions on closed balls in a complete metric space. Our results generalize the corresponding results in the current literature. AMS (2000) subject classification: 45S40 • 47H10 • 54H25

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: :Filomat 2021

The main objective of the paper is to prove some unified common fixed point theorems for a family mappings under minimal set sufficient conditions. Our results subsume and improve host contractive type available in literature metric theory. Simultaneously, we provide new answers general framework problem posed by Rhoades (Contemp Math 72, 233-245, 1988) regarding existence definition which stro...

Journal: :Int. J. Math. Mathematical Sciences 2012
M. Djedidi Khadra Nachi

In this paper, we investigate fixed point theorems for nonexpansive multifunctions relations, multimaps, set-valued mappings, or correspondences satisfying some asymptotic condition. This study has been the subject of numerous works 1–6 for an asymptotically contractive mapping. Our aim here is to obtain some generalization by using the notion of semiasymptotically contractive multimappings whi...

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