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This paper is dedicated to studying the existence of nontrivial positive solutions for a Kirchhoff-type problem with sign change nonlinearities and a singular term, Using the Nehari manifold and EkelandS variational principle we prove that…

Analysis of PDEs · Mathematics 2025-10-10 Djamel Abid

In this paper we study weighted singular $p$-Laplace equations involving a bounded weight function which can be discontinuous. Due to its discontinuity classical regularity results cannot be applied. Based on Nehari manifolds we prove the…

Analysis of PDEs · Mathematics 2019-11-13 Nikolaos S. Papageorgiou , Patrick Winkert

In this paper, we deal with equations of variational form which Nahari manifolds can contain more than two different types of critical points. We introduce a method of separating critical points on the Nahari manifold, based on the use of…

Analysis of PDEs · Mathematics 2019-06-20 Marcos L. M. Carvalho , Yavdat Sh. Il'yasov , Carlos Alberto Santos

Using the method of Nehari manifold, we prove the existence of at least two distinct weak solutions to elliptic equation of four order with singulatities and with critical Sobolev growth.

Differential Geometry · Mathematics 2012-10-24 Mohammed Benalili , Kamel Tahri

Using the Nehari manifold method, we establish sufficient conditions such that a smooth functional attains a ground state within an annular domain of a closed cone. The localization we obtain immediately allows for multiplicity when applied…

Analysis of PDEs · Mathematics 2025-03-18 Andrei Stan

In this work, we establish the existence and multiplicity of weak solutions for nonlocal elliptic problems driven by the fractional $\Phi$-Laplacian operator, in the presence of a sign-indefinite nonlinearity. More specifically, we…

Analysis of PDEs · Mathematics 2025-07-22 L. R. S. de Assis , M. L. M. Carvalho , Edcarlos D. Silva , A. Salort

In the present work we shall consider the existence and multiplicity of solutions for nonlocal elliptic singular problems where the nonlinearity is driven by two convolutions terms. More specifically, we shall consider the following…

Analysis of PDEs · Mathematics 2024-12-20 Edcarlos D. Silva , Marlos R. da Rocha , Jefferson S. Silva

In this article, we consider a combination of local and nonlocal Laplace equation with singular nonlinearities. For such mixed problems, we establish existence of at least one weak solution for a parameter dependent singular nonlinearity…

Analysis of PDEs · Mathematics 2023-04-28 Prashanta Garain

In this article using Nehari manifold method we study the multiplicity of solutions of the following nonlocal elliptic system involving variable exponents and concave-convex nonlinearities: \begin{equation*} \;\;\; \begin{array}{rl}…

Analysis of PDEs · Mathematics 2020-04-21 Reshmi Biswas , Sweta Tiwari

We are concerned with nonexistence results of nonnegative weak solutions for a class of quasilinear parabolic problems with a potential on complete noncompact Riemannian manifolds. In particular, we highlight the interplay between the…

Analysis of PDEs · Mathematics 2015-02-27 P. Mastrolia , D. D. Monticelli , F. Punzo

In the present work, we establish the existence and multiplicity of positive solutions for the singular elliptic equations with a double weighted nonlocal interaction term defined in the whole space $\mathbb{R}^N$. The nonlocal term and the…

Analysis of PDEs · Mathematics 2025-03-11 Márcia S. B. A. Cardoso , Edcarlos D. Silva , Marcos. L. M. Carvalho , Minbo Yang

In this paper we study quasilinear elliptic Kirchhoff equations driven by a non-homogeneous operator with unbalanced growth and right-hand sides that consist of sub-linear, possibly singular, and super-linear reaction terms. Under very…

Analysis of PDEs · Mathematics 2025-10-31 Umberto Guarnotta , Patrick Winkert

In this paper, we study the multiplicity of nonnegative solutions for mixed local and non-local problem involving critical nonlinearity with sign changing weight. Using Nehari manifold method and fibering map analysis, we have shown…

Analysis of PDEs · Mathematics 2024-12-02 V. M. Tripathi

This paper is divided in two parts. In the first part, we prove coercivity results and minimization of the Euler energy functional. In the second part, we focus on the existence and multiplicity of a positive solution of fractional…

General Mathematics · Mathematics 2023-11-21 J. Vanterler da C. Sousa , D. S. Oliveira , Ravi P. Agarwal

We are concerned with the multiplicity of positive solutions for the singular superlinear and subcritical Schr\"odinger equation $$ \begin{array}{c} -\Delta u +V(x)u=\lambda a(x)u^{-\gamma}+b(x)u^{p}~\mbox{in}~ \mathbb{R}^{N}, \end{array}…

Analysis of PDEs · Mathematics 2018-11-09 Carlos Alberto Santos , Ricardo Alves Lima , Kaye Silva

We study the existence of bound and ground states for a class of nonlinear elliptic systems in $\mathbb{R}^N$. These equations involve critical power nonlinearities and Hardy-type singular potentials, coupled by a term containing up to…

Analysis of PDEs · Mathematics 2021-07-09 Eduardo Colorado , Rafael López-Soriano , Alejandro Ortega

We study the following singular problem involving the p$(x)$-Laplace operator $\Delta_{p(x)}u= div(|\nabla u|^{p(x)-2}\nabla u)$, where $p(x)$ is a nonconstant continuous function, \begin{equation} \nonumber {{(\rm P_\lambda)}}…

Analysis of PDEs · Mathematics 2022-12-20 Dušan D. Repovš , Kamel Saoudi

In this article we examine the multiplicity of non-negative solutions to mixed local-nonlocal equations involving \((-\Delta_p) + (-\Delta^{s}_{q})\) in a bounded smooth domain. The nonlinearity incorporates a parameter \(\lambda > 0\), a…

Analysis of PDEs · Mathematics 2025-05-22 R. Dhanya , Jacques Giacomoni , Ritabrata Jana

We study the existence and multiplicity of solutions to the elliptic system where RN is a bounded and smooth domain. Using fibering maps and extracting Palais-Smale sequences in the Nehari manifold, we prove the existence of at least two…

Analysis of PDEs · Mathematics 2015-12-29 Seyyed Sadegh Kazemipoor , Mahboobeh Zakeri

Results on existence and multiplicity of solutions for a nonlinear elliptic problem driven by the $\Phi$-Laplace operator are established. We employ minimization arguments on suitable Nehari manifolds to build a negative and a positive…

Analysis of PDEs · Mathematics 2016-10-11 E. D. Silva , M. L. M. Carvalho , F. J. S. A. Corrêa , Jose V. A. Goncalves