Results 71 to 80 of about 387 (175)

Nonlinear Inequality, Fixed Point and NashEquilibrium [PDF]

open access: yes
In this paper, we give new sufficient conditions for the existence of a solution of theg-maximum equality. As a consequence, we prove a new fixed point theorem.
Moussa Larbani   +2 more
core  

Necessary and sufficient conditions for solutions of the Ky Fan minimax inequality and the non-emptiness of fuzzy cores in economies

open access: yes, 2023
In this paper, we provide a necessary and sufficient condition for the existence of solutions of the Ky Fan minimax inequality. We then apply this characterization to establish necessary and sufficient conditions for the non-emptiness of fuzzy cores and ...
Jiuqiang Liu, Liu, Jiuqiang
core   +1 more source

Extragradient methods and linesearch algorithms for solving Ky Fan inequalities and fixed point problems

open access: yes, 2012
In this paper, we introduce some new iterative methods for finding a common element of the set of points satisfying a Ky Fan inequality, and the set of fixed points of a contraction mapping in a Hilbert space.
Nguyen, Van Hein   +2 more
core   +2 more sources

New Sufficient Conditions for the g-maximumInequality [PDF]

open access: yes
In this paper, we give new sufficient conditions for the existence of a solution of theg-maximum equality. As an application, we prove a new fixed point theorem.Ky Fan inequality, g-maximum equality, fixed point.
Moussa Larbani   +2 more
core  

A Ky Fan Minimax Inequality for Quasiequilibria on Finite-Dimensional Spaces [PDF]

open access: yes, 2018
Several results concerning existence of solutions of a quasiequilibrium problem defined on a finite-dimensional space are established. The proof of the first result is based on a Michael selection theorem for lower semicontinuous set-valued maps which ...
Marco Castellani   +5 more
core   +1 more source

Generalizations of the FKKM Theorem and Ky-Fan Minimax Inequality, with Applications to Maximal Elements, Price Equilibrium, and Complementarity [PDF]

open access: yes, 1990
This paper generalizes the Fan-Knaster-Kuratowski-Mazurkiewicz (FKKM) theorem of Ky Fan (“Game Theory and Related Topics,” pp. 151–156, North-Holland, Amsterdam, 1979; and Math.
Tian, Guoqiang
core  

SOME GENERALIZED KY FAN’S INEQUALITIES

open access: yesTaiwanese Journal of Mathematics, 2009
In this paper, we generalize Ky Fan’s minimax inequality to vectorvalued function with values in a topological vector space acting on the product of two other topological vector spaces which are connected by another function. In these results, the concavity or convexity on a function is transferred to another function.
Tang, Gu-Sheng   +2 more
openaire   +2 more sources

On a form of KKM principle and SupInfSup inequalities of von Neumann and of Ky Fan type

open access: yes, 1991
A version of KKM principle is considered together with its application to SupInfSup inequalities of von Neumann and of Ky Fan type. These inequalities which are respectively generalizations of von Neumann minimax theorem and minimax inequality of Ky Fan ...
Liu, Fon-Che
core   +1 more source

Separability Criteria Based on the Weyl Operators. [PDF]

open access: yesEntropy (Basel), 2022
Huang X, Zhang T, Zhao MJ, Jing N.
europepmc   +1 more source

Ky Fan theorem applied to Randić energy

open access: yes, 2014
Let G be a simple undirected graph of order n with vertex set V(G)={ v1,v2,⋯,vn}. Let di be the degree of the vertex vi. The Randić matrix R=(ri,j) of G is the square matrix of order n whose (i,j)-entry is equal to 1/ didj if the vertices vi and vj are ...
San Martin B.   +3 more
core   +2 more sources

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