Results 21 to 30 of about 170 (136)

Multivalued nonmonotone dynamic boundary condition

open access: yesBoundary Value Problems, 2021
In this paper, we introduce a new class of hemivariational inequalities, called dynamic boundary hemivariational inequalities, reflecting the fact that the governing operator is also active on the boundary.
Khadija Aayadi   +3 more
doaj   +1 more source

Nonlinear Hemivariational Inequalities at Resonance [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 1999
In this paper we consider nonlinear hemivariational inequalities involving the p-Laplacian at resonance. We prove the existence of a nontrivial solution. Our approach is variational based on the critical point theory for nonsmooth, locally Lipschitz functionals due to Chang.
Gasiński, Leszek   +1 more
openaire   +2 more sources

Hidden maximal monotonicity in evolutionary variational-hemivariational inequalities

open access: yesNonlinear Analysis, 2021
In this paper, we propose a new methodology to study evolutionary variational-hemivariational inequalities based on the theory of evolution equations governed by maximal monotone operators. More precisely, the proposed approach, based on a hidden maximal
Emilio Vilches, Shengda Zeng
doaj   +1 more source

On variational–hemivariational inequalities in Banach spaces

open access: yesCommunications in Nonlinear Science and Numerical Simulation, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Han, Weimin, Nashed, M.Z.
openaire   +2 more sources

Monotonicity Arguments for Variational–Hemivariational Inequalities in Hilbert Spaces

open access: yesAxioms, 2022
We consider a variational–hemivariational inequality in a real Hilbert space, which depends on two parameters. We prove that the inequality is governed by a maximal monotone operator, then we deduce various existence, uniqueness and equivalence results ...
Mircea Sofonea
doaj   +1 more source

An analysis on the approximate controllability results for Caputo fractional hemivariational inequalities of order 1 < r < 2 using sectorial operators

open access: yesNonlinear Analysis, 2023
In this paper, we investigate the effect of hemivariational inequalities on the approximate controllability of Caputo fractional differential systems. The main results of this study are tested by using multivalued maps, sectorial operators of type (P, η,
Marimuthu Mohan Raja   +5 more
doaj   +1 more source

From the Fan-KKM principle to extended real-valued equilibria and to variational-hemivariational inequalities with application to nonmonotone contact problems

open access: yesFixed Point Theory and Algorithms for Sciences and Engineering, 2022
This paper starts off by the celebrated Knaster–Kuratowski–Mazurkiewicz principle in the formulation by Ky Fan. We provide a novel variant of this principle and build an existence theory for extended real-valued equilibrium problems with general, then ...
Joachim Gwinner
doaj   +1 more source

Weak Solutions and Optimal Control of Hemivariational Evolutionary Navier‐Stokes Equations under Rauch Condition

open access: yesJournal of Function Spaces, Volume 2020, Issue 1, 2020., 2020
In this paper, we consider the evolutionary Navier‐Stokes equations subject to the nonslip boundary condition together with a Clarke subdifferential relation between the dynamic pressure and the normal component of the velocity. Under the Rauch condition, we use the Galerkin approximation method and a weak precompactness criterion to ensure the ...
Hicham Mahdioui   +3 more
wiley   +1 more source

Partial differential hemivariational inequalities

open access: yesAdvances in Nonlinear Analysis, 2018
The aim of this paper is to introduce and study a new class of problems called partial differential hemivariational inequalities that combines evolution equations and hemivariational inequalities.
Liu Zhenhai   +2 more
doaj   +1 more source

A class of hyperbolic variational–hemivariational inequalities without damping terms

open access: yesAdvances in Nonlinear Analysis, 2022
In this article, we study a large class of evolutionary variational–hemivariational inequalities of hyperbolic type without damping terms, in which the functional framework is considered in an evolution triple of spaces.
Zeng Shengda   +2 more
doaj   +1 more source

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