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In this paper we give necessary and sufficient conditions for the existence of solutions to quasilinear equations of Lane--Emden type with measure data on a Carnot group $\mathbb G$ of arbitrary step. The quasilinear part involves operators…

Analysis of PDEs · Mathematics 2012-01-18 Nguyen Cong Phuc , Igor E. Verbitsky

Global pointwise estimates are obtained for quasilinear Lane-Emden-type systems involving measures in the "sublinear growth" rate. We give necessary and sufficient conditions for existence expressed in terms of Wolff's potential. Our…

Analysis of PDEs · Mathematics 2024-02-19 Estevan Luiz da Silva , João Marcos do Ó

We study the existence of positive solutions to quasilinear elliptic equations of the type \[ -\Delta_{p} u = \sigma u^{q} + \mu \quad \text{in} \ \mathbb{R}^{n}, \] in the sub-natural growth case $0 < q < p - 1$, where $\Delta_{p}u =…

Analysis of PDEs · Mathematics 2020-03-26 Takanobu Hara , Adisak Seesanea

In this paper we deal with existence and uniqueness of solution to super-linear problems for the Pucci operator: $$ -\M^+(D^2u)+|u|^{s-1}u=f(x) \quad {in} \RR^n, $$ where $s>1$ and $f$ satisfies only local integrability conditions. This…

Analysis of PDEs · Mathematics 2007-12-11 Maria J. Esteban , Patricio Felmer , Alexander Quaas

The aim of this paper is investigating the existence of weak solutions of the quasilinear elliptic model problem \[ \left\{\begin{array}{lr} - \divg (A(x,u)\, |\nabla u|^{p-2}\, \nabla u) + \dfrac1p\, A_t(x,u)\, |\nabla u|^p\ =\ f(x,u) &…

Analysis of PDEs · Mathematics 2013-10-03 A. M. Candela , G. Palmieri , K. Perera

In this paper we study quasilinear elliptic systems driven by so-called double phase operators and nonlinear right-hand sides depending on the gradients of the solutions. Based on the surjectivity result for pseudomonotone operators we…

Analysis of PDEs · Mathematics 2020-07-22 Greta Marino , Patrick Winkert

Existence of nodal (i.e., sign changing) solutions and constant sign solutions for quasilinear elliptic equations involving convection-absorption terms are presented. A location principle for nodal solutions is obtained by means of constant…

Analysis of PDEs · Mathematics 2023-04-04 Abdelkrim Moussaoui , Kamel Saoudi

In this work, we study the existence and multiplicity of solutions for a class of problems involving the $\phi$-Laplacian operator in a bounded domain, where the nonlinearity has a critical growth. The main tool used is the variational…

Analysis of PDEs · Mathematics 2015-04-06 Jefferson A. Santos

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

The present paper concerns with the existence of blow-up solution for a class of elliptic system with convection term. Here, we prove a result involving sub and supersolution for a class of elliptic system whose nonlinearity can depend of…

Analysis of PDEs · Mathematics 2014-02-11 Claudianor O. Alves , Dragos-Patru Covei

We establish the existence of multiple solutions for singular quasilinear elliptic problems with a precise sign information: two opposite constant sign solutions and a nodal solution. The approach combines sub-supersolutions method and…

Analysis of PDEs · Mathematics 2023-10-30 Dumitru Motreanu , Abdelkrim Moussaoui

We consider an iterative procedure to solve quasilinear elliptic systems with $p$-growth. The scheme was first considered by Koshelev in the quadratic case $p=2$. We present numerical applications as well as applications to higher…

Numerical Analysis · Mathematics 2022-09-29 Lukas Koch

We show the existence of positive solutions for a class of singular elliptic systems with convection term. The approach combines pseudomonotone operator theory, sub and supersolution method and perturbation arguments involving singular…

Analysis of PDEs · Mathematics 2013-11-26 Claudianor O. Alves , Abdelkrim Moussaoui

In this paper we study the asymptotic behavior of the solutions of a class of nonlinear elliptic problems posed in a 2-dimensional domain that degenerates into a line segment (a thin domain) when a positive parameter $\varepsilon$ goes to…

Analysis of PDEs · Mathematics 2020-05-06 Jean Carlos Nakasato , Marcone Corrêa Pereira

We discuss existence results for a quasi-linear elliptic equation of critical Sobolev growth [H. Brezis, L. Nirenberg, Positive solutions of nonlinear elliptic equations involving critical Sobolev exponents, Comm. Pure Appl. Math. 36…

Analysis of PDEs · Mathematics 2023-04-28 Sabina Angeloni , Pierpaolo Esposito

It is considered a semilinear elliptic partial differential equation in $\mathbb{R}^N$ with a potential that may vanish at infinity and a nonlinear term with subcritical growth. A positive solution is proved to exist depending on the…

Analysis of PDEs · Mathematics 2024-02-20 Elves Alves de Barros e Silva , Sergio H. Monari Soares

In this paper we use variational methods to establish the existence of solutions for a class of nonlinear elliptic problems involving a combined convolution-type and Hardy nonlinearity with subcritical and critical growth.

Analysis of PDEs · Mathematics 2026-04-09 Guangze Gu , Aleks Jevnikar

We prove some Liouville-type theorems for stable solutions (and solutions stable outside a compact set) of quasilinear anisotropic elliptic equations. Our results cover the particular case of the pure Finsler p-Laplacian.

Analysis of PDEs · Mathematics 2023-06-23 Alberto Farina , Berardino Sciunzi , Domenico Vuono

We consider a class of quasi-linear anisotropic elliptic equations, possibly degenerate or singular, which are of interest in several applications such as computer vision and continuum mechanics. We prove a Hopf Lemma as well as local and…

Analysis of PDEs · Mathematics 2019-02-19 Daniele Castorina , Giuseppe Riey , Berardino Sciunzi

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