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Using variational methods, we establish the existence of infinitely many solutions to an elliptic problem driven by a Choquard term and a singular nonlinearity. We further show that if the problem has a positive solution, then it is bounded…

Analysis of PDEs · Mathematics 2023-05-09 Debajyoti Choudhuri , Dušan D. Repovš , Kamel Saoudi

We establish existence and regularity of positive solutions for a class of quasilinear elliptic systems with singular and superlinear terms. The approach is based on sub-supersolution methods for systems of quasilinear singular equations…

Analysis of PDEs · Mathematics 2016-04-26 Brahim Khodja , Abdelkrim Moussaoui

We investigate the existence, non-existence, and multiplicity of solutions to the following class of quasilinear elliptic equations \begin{align*}\tag{$P_\lambda$} -\mathrm{div}(A(x)Du)=c_\lambda(x)u+( M(x)Du,Du)+h(x),\qquad u\in…

Analysis of PDEs · Mathematics 2025-04-29 Fiorella Rendón , Mayra Soares

We show the existence of nodal solutions to perturbed quasilinear elliptic equations with critical Sobolev exponent on compact Riemannian manifolds. A nonexistence result is also given.

Analysis of PDEs · Mathematics 2007-10-09 Mohammed Benalili

We study existence, uniqueness, multiplicity and symmetry of large solutions for a class of quasi-linear elliptic equations. Furthermore, we characterize the boundary blow-up rate of solutions, including the case where the contribution of…

Analysis of PDEs · Mathematics 2012-03-08 Francesca Gladiali , Marco Squassina

We prove some multiplicity results for a nonlinear equation of Schroedinger type with potential functions

Analysis of PDEs · Mathematics 2009-10-31 A. Ambrosetti , A. Malchiodi , S. Secchi

We consider the following nonlinear problem in $\R^N$ $$\label{eq} - \Delta u +V(|y|)u=u^{p},\quad u>0 {in} \R^N, u \in H^1(\R^N) $$ where $V(r)$ is a positive function, $1<p <\frac{N+2}{N-2}$. We show that if $V(r)$ has the following…

Analysis of PDEs · Mathematics 2010-06-18 Juncheng Wei

In this work, we present a systematic approach to investigate the existence, multiplicity, and local gradient regularity of solutions for nonlocal quasilinear equations with local gradient degeneracy. Our method involves an interactive…

Analysis of PDEs · Mathematics 2023-07-27 Damião J. Araújo , Disson dos Prazeres , Erwin Topp

We prove short time existence, uniqueness and continuous dependence on the initial data of smooth solutions of quasilinear locally parabolic equations of arbitrary even order on closed manifolds.

Analysis of PDEs · Mathematics 2011-05-03 Carlo Mantegazza , Luca Martinazzi

This paper studies the existence, nonexistence and uniqueness of positive solutions for a class of quasilinear equations. We also analyze the behavior of this solutions with respect to two parameters $\kappa$ and $\lambda$ that appears in…

Analysis of PDEs · Mathematics 2018-04-04 Willian Cintra , Everaldo Medeiros , Uberlandio Severo

This paper investigates two classes of quasilinear and essentially nonlinear integral equations with a sum-difference kernel on the half-line. Such equations arise in various areas of physics, including the theory of radiative transfer in…

Functional Analysis · Mathematics 2025-07-17 A. Kh. Khachatryan , Kh. A. Khachatryan , H. S. Petrosyan

In this paper we are concerned with some $p$-Kirchhoff type problems involving sign-changing weight functions. We prove the existence of multiple positive solutions of the problem via the Nehari manifold approach.

Analysis of PDEs · Mathematics 2016-02-11 S. H. Rasouli , K. Fallah

Using variational methods combined with perturbation arguments, we study the existence of nontrivial classical solution for the quasilinear Schr\"{o}dinger equation \begin{equation*}\label{1.1} -\Delta u+ V(x)u+ \frac{\kappa}{2}[\Delta…

Analysis of PDEs · Mathematics 2013-09-19 Claudianor O. Alves , Youjun Wang , Yaotian Shen

The purpose of this paper is to prove some existence and non-existence theorems for the nonlinear elliptic problems of the form -{\Delta}_{p}u={\lambda}k(x)u^{q}\pmh(x)u^{{\sigma}} if x\in{\Omega}, subject to the Dirichlet conditions…

Classical Analysis and ODEs · Mathematics 2011-10-19 Dragos-Patru Covei

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

We prove the existence of solutions to the Cauchy-Dirichlet problem associated with a class of fully nonlinear anisotropic evolution equations. We prove a comparison principle and conclude the uniqueness of solutions. All results are…

Analysis of PDEs · Mathematics 2026-04-21 Antonella Nastasi , Emiliano Peña Ayala , Matias Vestberg

In this paper, we are concerned with the Neumann problem for a class of quasilinear stationary Kirchhoff-type potential systems, which involves general variable exponents elliptic operators with critical growth and real positive parameter.…

Analysis of PDEs · Mathematics 2023-03-06 Nabil Chems Eddine , Dušan D. Repovš

We consider quasilinear elliptic problems of the form \[ -\operatorname{div}\big(\phi(|\nabla u|)\nabla u\big)+V(x)\phi (|u|)u=f(u)\qquad u\in W^{1,\Phi}(\mathbb{R}^{N}), \] where $\phi$ and $f$ satisfy suitable conditions. The positive…

Analysis of PDEs · Mathematics 2019-10-29 Shibo Liu

In this paper, we prove the infinitely many solutions to a class of sublinear Schr\"{o}dinger-Poisson equations by using an extension of Clark's theorem established by Zhaoli Liu and Zhi-Qiang Wang.

Analysis of PDEs · Mathematics 2014-10-29 Xiaojing Feng

In this work we establish existence and multiplicity of solutions for elliptic problem with nonlinear boundary conditions under strong resonance conditions at infinity. The nonlinearity is resonance at infinity and the reso- nance phenomena…

Analysis of PDEs · Mathematics 2015-07-30 Alzaki Fadlallah , Edcarlos D. Da Silva
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