Results 11 to 20 of about 217 (68)

On minimax programming problems involving right upper-Dini-derivative functions [PDF]

open access: yesJournal of Inequalities and Applications, 2014
In this paper, we derive necessary and sufficient optimality conditions for a general minimax programming problem involving some classes of generalized convexities with the tool-right upper-Dini-derivative.
Anurag Jayswal   +3 more
core   +3 more sources

𝑚th roots of the identity operator and the geometry conjecture [PDF]

open access: yes, 2021
In this paper, we give three different new proofs of the validity of the geometry conjecture about cycles of projections onto nonempty closed, convex subsets of a Hilbert space.
S. Simons
semanticscholar   +1 more source

Second-order duality for a nondifferentiable minimax fractional programming under generalized -univexity [PDF]

open access: yesJournal of Inequalities and Applications, 2012
In this paper, we concentrate our study to derive appropriate duality theorems for two types of second-order dual models of a nondifferentiable minimax fractional programming problem involving second-order α-univex functions.
S.K. Gupta, D. Dangar, Sumit Kumar
core   +2 more sources

MULTIPLICITY OF SOLUTIONS OF DIRICHLET'S PROBLEM FOR SECOND-ORDER $p$-LAPLACIAN DIFFERENTIAL EQUATIONS WITH VARIABLE COEFFICIENTS

open access: yesInternational Journal of Apllied Mathematics, 2020
The existence of infinitely many solutions of Dirichlet’s problem for p-Laplacian ordinary differential equation of second order is studied in the paper. The variational method is applied using the symmetric mountain pass theorem.
G. Tcvetkova, S. Tersian
semanticscholar   +1 more source

Bilevel minimax theorems for non-continuous set-valued mappings

open access: yesJournal of Inequalities and Applications, 2014
We study new types for minimax theorems with a couple of set-valued mappings, and we propose several versions for minimax theorems in topological vector spaces setting.
Yen-Cherng Lin
semanticscholar   +2 more sources

Ky Fan minimax inequalities for set-valued mappings

open access: yesFixed Point Theory and Applications, 2012
In this article, by virtue of the Kakutani-Fan-Glicksberg fixed point theorem, two types of Ky Fan minimax inequalities for set-valued mappings are obtained.
Yu Zhang, Shengjie Li
semanticscholar   +2 more sources

A min‐max theorem and its applications to nonconservative systems

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 17, Page 1101-1110, 2003., 2003
A nonvariational generation of a min‐max principle by A. Lazer is made. And it is used to prove a new existence results for a nonconservative systems of ordinary differential equations with resonance.
Li Weiguo, Li Hongjie
wiley   +1 more source

On the fractional p-Laplacian equations with weight and general datum

open access: yesAdvances in Nonlinear Analysis, 2016
The aim of this paper is to study the following problem:
Abdellaoui Boumediene   +2 more
doaj   +1 more source

Purely finitely additive measures as generalized elements in a maximin problem [PDF]

open access: yes, 2013
We study the asymptotic behavior of maximin values of a payoff function, when admissible controls tend to infinity. The payoff function is superposition of a continuos function and a function that is uniform limit of step functions.
Baklanov, A.
core   +1 more source

KKM theorem with applications to lower and upper bounds equilibrium problem in G‐convex spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 51, Page 3267-3276, 2003., 2003
We give some new versions of KKM theorem for generalized convex spaces. As an application, we answer a question posed by Isac et al. (1999) for the lower and upper bounds equilibrium problem.
M. Fakhar, J. Zafarani
wiley   +1 more source

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