نتایج جستجو برای: kkm technique
تعداد نتایج: 612198 فیلتر نتایج به سال:
We introduce the new generalized mixed equilibrium problem with respect to relaxed semimonotone mappings. Using the KKM technique, we obtain the existence of solutions for the generalizedmixed equilibriumproblem in Banach spaces. Furthermore, we also introduce a hybrid projection algorithm for finding a common element in the solution set of a generalized mixed equilibrium problem and the fixed ...
In this paper, the author considers generalized minimax theorems for vector set-valued mappings using Fan-KKM theorem on nonconvex domains of Hausdorff topological vector spaces.
Based on the G-H-KKM selections, some nonempty intersection theorems and their applications to minimax inequalities are presented.
The aim of this article is obtain a Krasnoselskĭı cone compression theorem for multimaps in the class S-KKM.
دراین پایان نامه، ابتدا اصل kkm را مورد مطالعه قرار داده و پس از معرفی صورتهای مختلف اصل kkm به کاربرد این اصل در نظریه نقطه ثابت خواهیم برداخت. سپس با معرفی فضاهای متریک ابرمحدب و ویژگی های منحصربفرد این فضاها و همچنین ارتباط فضاهای ابرمحدب باسایر فضاهای متریک، قضایای kkm و کی فن در فضاهای متریک ابرمحدب را مورد مطالعه قرارداده ایم. در انتها نیز چند مساله غیرخطی درفضاهای ابرمحدب را آورده ایم.
The purpose of this paper is to introduce the concept of fuzzy variational-like inequalities and to study the existence problem and the iterative approximation problem for solutions of certain kinds of fuzzy variational-like inequalities in Hilbert spaces. By using the general auxiliary principle technique, Ky Fan’s KKM theorem, Nadler’s fixed point theorem, and some new analytic techniques, so...
Let us consider two nonempty subsets A, B of a normed linear space X , and let us denote by 2B the set of all subsets of B. We introduce a new class of multivalued mappings {T : A → 2B}, called R-KKM mappings, which extends the notion of KKM mappings. First, we discuss some sufficient conditions for which the set ∩{T (x) : x ∈ A} is nonempty. Using this nonempty intersection theorem, we attempt...
We obtain generalizations of the Fan’s matching theorem for an open (or closed) covering related to an admissible map. Each of these is restated as a KKM theorem. Finally, applications concerning coincidence theorems and section results are given.
In this communication, we establish some existence theorem for a new class of generalized mixed vector quasi-variationallike inequalities with fuzzy mappings in topological vector spaces by using the KKM-Fan Theorem and an equivalent fixed point theorem.
From the KKM theorem for the “closed” and “open” valued cases, we deduce a generalization of the Alexandroff–Pasynkoff theorem, existence theorems for almost fixed points of lower semicontinuous multimaps, and a partial solution of the Ben-El-Mechaiekh conjecture.
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