نتایج جستجو برای: s fixed point theorem

تعداد نتایج: 1443334  

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

‎‎‎Recently Samet et al. introduced the notion of $alpha$-$psi$-contractive type mappings and established some fixed point theorems in complete metric spaces. In this paper, we introduce $alpha$-$(psi,varphi)$-contractive mappings and stablish coincidence and common fixed point theorems for two mapping in complete metric spaces. We present some examples to illustrate our results. As application...

The purpose of this paper is to present some coupled fixed point results on a metric space endowed with two $b$-metrics. We shall apply a fixed point theorem for an appropriate operator on the Cartesian product of the given spaces endowed with directed graphs. Data dependence, well-posedness and Ulam-Hyers stability are also studied. The results obtained here will be applied to prove the existe...

Journal: :mathematics interdisciplinary research 0
tatjana dosenovic faculty of technology, university of novi sad, serbia abdolsattar gholidahneh department of mathematics, qaemshahr branch, islamic azad univer- sity, qaemshahr, iran shaban sedghi department of mathematics, qaemshahr branch, islamic azad university, qaemshahr, iran stojan radenovic faculty of mechanical engineering, university of belgrade, kraljice marije 16, 11120 beograd, serbia, department of mathematics, university of novi pazar, novi pazar, serbia

in the present paper, we introduces the notion of integral type contractive mapping with respect to ordered s-metric space and prove some coupled common fixed point results of integral type contractive mapping in ordered s-metric space. moreover, we give an example to support our main result.

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

Journal: :computational methods for differential equations 0
tahereh haghi sahand university of technology kazem ghanbari sahand university of technology, iran

‎‎in this paper‎, ‎the existence and uniqueness of positive solutions for a class of nonlinear initial value problem for a finite fractional difference equation obtained by constructing the upper and lower control functions of nonlinear term without any monotone requirement‎ .‎the solutions of fractional difference equation are the size of tumor in model tumor growth described by the gompertz f...

Journal: :journal of sciences islamic republic of iran 0

in this short note, we have given a short proof for the existence of the haar measure on commutative locally compact hypergroups based on functional analysis methods by using markov-kakutani fixed point theorem.

Journal: :international journal of nonlinear analysis and applications 2014
a. aghajani m. aliaskari

in this paper, an attempt is made to present an extension of darbo's theorem, and its applicationto study the solvability of a functional integral equation of volterra type.

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.

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