نتایج جستجو برای: approximate fixed point

تعداد نتایج: 746038  

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: :international journal of industrial mathematics 0
h. rahimi department of mathematics, islamic azad university, central tehran branch, tehran, iran g. soleimani rad department of mathematics, islamic azad university, central tehran branch, tehran, iran

recently, cho et al. [y. j. cho, r. saadati, s. h. wang, common xed point theorems on generalized distance in ordered cone metric spaces, comput. math. appl. 61 (2011) 1254-1260] de ned the concept of the c-distance in a cone metric space and proved some xed point theorems on c-distance. in this paper, we prove some new xed point and common xed point theorems by using the distance in ordere...

Journal: :bulletin of the iranian mathematical society 2012
stojan radenovi'c zoran kadelburg davorka jandrli'c andrija jandrli'c

in this paper direct proofs of some common fixed point results for two and three mappings under weak contractive conditions are given. some of these results are improved by using different arguments of control functions. examples are presented showing that some generalizations cannot be obtained and also that our results are distinct from the existing ones.

Journal: :bulletin of the iranian mathematical society 0
i. ‎ yaslan karaca department of mathematics‎, ‎ege university‎, ‎bornova‎, ‎35100 izmir‎, ‎turkey. f. tokmak fen neuroscience institute‎, ‎georgia state university‎, ‎atlanta‎, ‎georgia‎, ‎30303 usa; department of mathematics‎, ‎gazi university‎, ‎teknikokullar‎, ‎06500 ankara‎, ‎turkey.

‎in this paper‎, ‎by using four functionals fixed point theorem‎, ‎we obtain sufficient conditions for the existence of‎ ‎at least one positive solution of an $n$th-order $m$-point boundary value problem‎. ‎as an application‎, ‎we give an example to demonstrate our main result.

2011
Yasuhito Tanaka

It is often demonstrated that Brouwer’s fixed point theorem can not be constructively proved. Therefore, Kakutani’s fixed point theorem, the Fan-Glicksberg fixed point theorem and the existence of a pure strategy Nash equilibrium in a strategic game with continuous (infinite) strategies and quasi-concave payoff functions also can not be constructively proved. On the other hand, however, Sperner...

Journal: :iranian journal of science and technology (sciences) 2014
a. aghajani

this paper presents some results concerning the existence of solutions for a functional integral equation of volterra type in two variables, via measure of noncompactness. two examples are included to illustrate the main result.

2006
DOUGLAS RIZZOLO Jon Jacobsen FRANCIS EDWARD SU

Abstract. We define the infinite dimensional simplex to be the closure of the convex hull of the standard basis vectors in R∞, and prove that this space has the fixed point property: any continuous function from the space into itself has a fixed point. Our proof is constructive, in the sense that it can be used to find an approximate fixed point; the proof relies on elementary analysis and Sper...

Journal: :international journal of nonlinear analysis and applications 0
godwin chidi ugwunnadi michael okpara university of agriculture, umudike, abia state, nigeria

in this paper we introduce new modified implicit and explicit algorithms and prove strong convergence of the two algorithms to a common fixed point of a family of uniformly asymptotically regularasymptotically nonexpansive mappings in a real reflexive banach space with a uniformly g$hat{a}$teaux differentiable norm. our result is applicable in $l_{p}(ell_{p})$ spaces,$1 < p

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