نتایج جستجو برای: Weakly contraction condition

تعداد نتایج: 411950  

Journal: :نظریه تقریب و کاربرد های آن 0
جواد مجردی افرا آر آی

in this paper, we prove some common fi xed point results for two self mappingsf and g on s-metric space such that f is a g.w.c.m with respect to g.

Journal: :caspian journal of mathematical sciences 2014
f. kiany

in this paper, we give a new fixed point theorem forweakly quasi-contraction maps in metric spaces. our results extend and improve some fixed point and theorems in literature.

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...

We discuss about the generalized $F$-contraction mappings in partially ordered metric spaces. For this, we first introduce the notion of ordered weakly $F$-contraction mapping. We also present some fixed point results about this type of mapping in partially ordered metric spaces. Next, we introduce the notion of $acute{mathrm{C}}$iri$acute{mathrm{c}}$ type generalized ordered weakly $F$-contrac...

2007
O. A. Boikanyo B. Choudhary

Banach contraction principle is a fundamental result in fixed point theory and has been applied and extended in many different directions. In 2002, Branciari [3] obtained a fixed point theorem for a single mapping satisfying an analogue of Banach’s contraction principle for an integral type inequality. Aliouche [2] established a common fixed point theorem for weakly compatible mappings in symme...

Journal: :journal of linear and topological algebra (jlta) 0
r jalal shahkoohi department of mathematics and statistics, aliabad katoul branch, islamic azad university, aliabad katoul, iran. s.a kazemipour department of mathematics and statistics, aliabad katoul branch, islamic azad university, aliabad katoul, iran. a rajabi eyvali department of mathematics and statistics, aliabad katoul branch, islamic azad university, aliabad katoul, iran.

in this paper, tripled coincidence points of mappings satisfying  -contractive conditions in the framework of partially ordered gb-metric spaces are obtained. our results extend the results of aydi et al. [h. aydi, e. karapnar and w. shatanawi, tripled xed point results in generalized metric space, j. applied math., volume 2012, article id 314279, 10 pages]. moreover, some examples of the mai...

2015
Shishir jain

In [1], A. Branciari defines a Generalised metric space of finite order and establishes Banach contraction principle in it. The object of this paper is to extend this result to Quasi contraction and prove some fixed point results for two weakly compatible self maps satisfying a generalized contractive condition in this space without assuming it to be Hausdorff . Our result generalizes the said ...

Journal: :international journal of nonlinear analysis and applications 2011
a. razani m. yazdi

recently, zhang and song [q. zhang, y. song, fixed point theory forgeneralized $varphi$-weak contractions,appl. math. lett. 22(2009) 75-78] proved a common fixed point theorem for two mapssatisfying generalized $varphi$-weak contractions. in this paper, we prove a common fixed point theorem fora family of compatible maps. in fact, a new generalization of zhangand song's theorem is given.

Journal: :IEEE Transactions on Automatic Control 2022

We develop two generalizations of contraction theory, namely, semi-contraction and weak-contraction theory. First, using the notion seminorm, we propose a geometric framework for introduce matrix semimeasures characterize their properties. show that spectral abscissa is infimum over weighted semimeasures. For dynamical systems, use semimeasure Jacobian to contractivity properties trajectories. ...

Journal: :iranian journal of fuzzy systems 2015
s. m. vaezpour s. vaezzadeh

in this paper, a concept of generalized weakly contraction mappings in partially ordered fuzzy metric spaces is introduced and  coincidence point  theorems on partially ordered fuzzy metric spaces are proved. also, as the corollary of these theorems, some common fixed point theorems on partially ordered fuzzy metric spaces are presented.

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