نتایج جستجو برای: generalized contraction mapping

تعداد نتایج: 417061  

Journal: :Ibn Al-Haitham Journal For Pure And Applied Science 2023

The focus of this article, reviewed a generalized contraction mapping and nonexpansive maps recall some theorems about the existence uniqueness common fixed point coincidence fixed-point for such under conditions. Moreover, schemes different types as one-step ,two-step three step (Mann scheme algorithm, Ishukawa noor .scheme algorithm Modified arahan others. convergence these has been studied ....

2012
Wataru Takahashi Ngai-Ching Wong Jen-Chih Yao

Let H be a real Hilbert space, and let C be a nonempty closed convex subset of H. Let α > 0, and let A be an α-inverse strongly-monotone mapping of C into H. Let T be a generalized hybrid mapping of C into H. Let B andW be maximal monotone operators on H such that the domains of B andW are included in C. Let 0 < k < 1, and let g be a k-contraction of H into itself. Let V be a γ -strongly monoto...

In this article, we introduce a new notion of proximal contraction, named as generalized S-proximal contraction and derive a common best proximity point theorem for proximally commuting non-self mappings, thereby yielding the common optimal approximate solution of some fixed point equations when there is no common solution. We furnish illustrative examples to highlight our results. We extend so...

Journal: :iranian journal of fuzzy systems 2014
a. amini-harandi

in this paper, we introduce a new concept of fuzzy generalizedcontraction and give a fixed point result for such mappings in the setting of fuzzy m-complete metric spaces. we also give an affirmative partial answer to a question posed by wardowski [d. wardowski, fuzzy contractive mappings and fixed points in fuzzy metric spaces, fuzzy set syst., {bf 222}(2013), 108-114].some examples are also g...

Journal: :Appl. Math. Lett. 2012
Wutiphol Sintunavarat Poom Kumam

In this paper, we extend a multi-valued contraction mapping to a cyclic multi-valued contraction mapping. We also establish the existence of common fixed point theorem for a cyclic multi-valued contraction mapping. Our results extend, generalize and unify Nadler’s multi-valued contraction mapping and many fixed point theorems for multivalued mappings. © 2012 Elsevier Ltd. All rights reserved.

Journal: :bulletin of the iranian mathematical society 0
vladimir pavlovic university of nis, faculty of sciences and mathematics aleksandar s. cvetkovi&apos; c department of mathematics and informatics, faculty of mechancial engineering, university of belgrade

given a mapping $f:xto x$ we naturally associate to it a monotonic map $gg_f:exp xto exp x$ from the power set of $x$ into itself, thus inducing a generalized topology on $x$. in this paper we investigate some properties of generalized topologies which are defined by such a procedure.

Journal: :iranian journal of fuzzy systems 2013
yong-hong shen dong qiu wei chen

in this paper, the notion of cyclic $varphi$-contraction in fuzzymetric spaces is introduced and a fixed point theorem for this typeof mapping is established. meantime, an example is provided toillustrate this theorem. the main result shows that a self-mappingon a g-complete fuzzy metric space has a unique fixed point if itsatisfies the cyclic $varphi$-contraction. afterwards, some results inco...

2017
RUI NIU HONGTAO ZHENG BINLIN ZHANG Vicentiu Radulescu

In this article, we study the steady generalized Navier-Stokes equations in a half-space in the setting of variable exponent spaces. We first establish variable exponent spaces of Clifford-valued functions in a half-space. Then, using this operator theory together with the contraction mapping principle, we obtain the existence and uniqueness of solutions to the stationary Navier-Stokes equation...

2012
A. Razani V. Parvaneh

and Applied Analysis 3 Definition 1.10 see 5 . Let X,G be a G-metric space and f, g : X → X be given mappings. We say that f is a generalized weakly G-contraction mapping of type B with respect to g if for all x, y, z ∈ X, the following inequality holds: ψ ( G ( fx, fy, fz )) ≤ ψ ( G ( gx, gx, fy ) G ( gy, gy, fz ) G ( gz, gz, fx ) 3 ) − φGgx, gx, fy, Ggy, gy, fz, Ggz, gz, fx, 1.2

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