Results 1 to 10 of about 328 (95)

Bounded perturbation resilience of extragradient-type methods and their applications. [PDF]

open access: yesJ Inequal Appl, 2017
In this paper we study the bounded perturbation resilience of the extragradient and the subgradient extragradient methods for solving variational inequality (VI) problem in real Hilbert spaces. This is an important property of algorithms which guarantees
Dong QL, Gibali A, Jiang D, Tang Y.
europepmc   +3 more sources

A fractional Kirchhoff problem involving a singular term and a critical nonlinearity

open access: yesAdvances in Nonlinear Analysis, 2017
In this paper, we consider the following critical nonlocal problem:
Fiscella Alessio
doaj   +2 more sources

Asymptotically linear magnetic fractional problems [PDF]

open access: yesarXiv, 2023
The aim of this paper is investigating the existence and multiplicity of weak solutions to non--local equations involving the {\em magnetic fractional Laplacian}, when the nonlinearity is subcritical and asymptotically linear at infinity. We prove existence and multiplicity results by using variational tools, extending to the magnetic local and non ...
Bartolo, Rossella   +2 more
arxiv   +2 more sources

đť‘šth 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

Multiplicity and concentration of semi-classical solutions to nonlinear Dirac-Klein-Gordon systems

open access: yesAdvanced Nonlinear Studies, 2022
In the present article, we study multiplicity of semi-classical solutions of a Yukawa-coupled massive Dirac-Klein-Gordon system with the general nonlinear self-coupling, which is either subcritical or critical growth.
Ding Yanheng, Yu Yuanyang, Dong Xiaojing
doaj   +1 more source

Existence and multiplicity of solutions for a fourth-order differential system with instantaneous and non-instantaneous impulses

open access: yesOpen Mathematics, 2023
The main purpose is to establish the variational structure of a fourth-order ordinary differential system with both instantaneous and non-instantaneous impulses.
Xia Minggang   +2 more
doaj   +1 more source

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

Multiplicity and minimality of periodic solutions to fourth-order super-quadratic difference systems

open access: yesOpen Mathematics, 2022
In this article, we use the Nehari manifold method to study a class of fourth-order even difference systems. First, we show that there exist multiple periodic solutions to the non-autonomous system.
Ling Rumin   +3 more
doaj   +1 more source

The concentration-compactness principles for Ws,p(·,·)(ℝN) and application

open access: yesAdvances in Nonlinear Analysis, 2020
We obtain a critical imbedding and then, concentration-compactness principles for fractional Sobolev spaces with variable exponents. As an application of these results, we obtain the existence of many solutions for a class of critical nonlocal problems ...
Ho Ky, Kim Yun-Ho
doaj   +1 more source

Remarks on some variants of minimal point theorem and Ekeland variational principle with applications

open access: yesDemonstratio Mathematica, 2022
This paper presents some variants of minimal point theorem together with corresponding variants of Ekeland variational principle. In the second part of this article, there is a discussion on Ekeland variational principle and minimal point theorem ...
Meghea Irina, Stamin Cristina Stefania
doaj   +1 more source

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