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Related papers: Sublinear elliptic problems with a Hardy potential

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We construct positive weak solutions of a class of semilinear elliptic equation which vanish in suitable trace sense on the boundary of a given smooth bounded N-dimensional domain, but which are singular at prescribed isolated points of the…

Analysis of PDEs · Mathematics 2007-05-23 Manuel del Pino , Monica Musso , Frank Pacard

The goal of this paper is to study the effect of the Hardy potential on the existence and summability of solutions to a class of nonlocal elliptic problems $$ \left\{\begin{array}{rcll} (-\Delta)^s u-\lambda \dfrac{u}{|x|^{2s}}&=&f(x,u)…

Analysis of PDEs · Mathematics 2015-10-30 Boumediene Abdellaoui , María Medina , Ireneo Peral , Ana Primo

Let $\Omega$ be a smooth bounded domain in $\mathbb{R}^N$ and $\delta(x)=\text{dist}\,(x,\partial \Omega)$. Assume $\mu>0$, $\nu$ is a nonnegative finite measure on $\partial \Omega$ and $g \in C(\Omega \times \mathbb{R}_+)$. We study…

Analysis of PDEs · Mathematics 2015-10-29 Phuoc-Tai Nguyen

In this work we prove the existence of a classical positive solution for an elliptic equation with a sublinear term. We use Galerkin approximations to show existence of such solution on bounded domains in RN.

Analysis of PDEs · Mathematics 2015-09-04 Rafael dos Reis Abreu , Anderson Luis Albuquerque de Araujo

Semilinear elliptic equations which give rise to solutions blowing up at the boundary are perturbed by a Hardy potential. The size of this potential effects the existence of a certain type of solutions (large solutions): if the potential is…

Analysis of PDEs · Mathematics 2018-07-31 Catherine Bandle , Vitaly Moroz , Wolfgang Reichel

We consider elliptic systems with superlinear and subcritical boundary conditions and a bifurcation parameter as a multiplicative factor. By combining the rescaling method with degree theory and elliptic regularity theory, we prove the…

Analysis of PDEs · Mathematics 2025-11-10 Shalmali Bandyopadhyay , Maya Chhetri , Briceyda Delgado , Nsoki Mavinga , Rosa Pardo

The goal of this paper is to investigate some rigidity properties of stable solutions of elliptic equations set on manifolds with boundary. We provide several types of results, according to the dimension of the manifold and the sign of its…

Analysis of PDEs · Mathematics 2009-07-16 Yannick Sire , Enrico Valdinoci

We establish the existence of positive solutions to a general class of overdetermined semilinear elliptic boundary problems on suitable bounded open sets $\Omega\subset\mathbb{R}^n$. Specifically, for $n\leq 4$ and under mild technical…

Analysis of PDEs · Mathematics 2025-07-09 Alberto Enciso , Pablo Hidalgo-Palencia , Xavier Ros-Oton

Elliptic estimates in Hardy classes are proved on domains with minimally smooth boundary. The methodology is different from the original methods of Chang/Krantz/Stein.

Functional Analysis · Mathematics 2009-09-25 Steven G. Krantz , Song-Ying Li

In this paper, we are concerned with the uniqueness and the non-degeneracy of positive radial solutions for a class of semilinear elliptic equations. Using detailed ODE analysis, we extend previous results to cases where nonlinear terms may…

Analysis of PDEs · Mathematics 2025-09-15 Shinji Adachi , Masataka Shibata , Tatsuya Watanabe

We study a semilinear elliptic equation with a pure power nonlinearity with exponent $p>1$, and provide sufficient conditions for the existence of positive solutions. These conditions involve expected exit times from the domain, $D$, where…

Analysis of PDEs · Mathematics 2023-09-26 Ma Elena Hernandez-Hernandez , Pablo Padilla-Longoria

This paper deals with existence and regularity of positive solutions of singular elliptic problems on a smooth bounded domain with Dirichlet boundary conditions involving the $\Phi$-Laplacian operator. The proof of existence is based on a…

Analysis of PDEs · Mathematics 2017-03-28 José V. A. Goncalves , Marcos L. M. Carvalho , Carlos Alberto Santos

Assuming $B_{R}$ is a ball in $\mathbb R^{N}$, we analyze the positive solutions of the problem \[ \begin{cases} -\Delta u+u= |u|^{p-2}u, &\text{ in } B_{R},\newline \partial_{\nu}u=0,&\text{ on } \partial B_{R}, \end{cases} \] that branch…

Analysis of PDEs · Mathematics 2016-03-18 Denis Bonheure , Christopher Grumiau , Christophe Troestler

We establish a positivity property for a class of semilinear elliptic problems involving indefinite sublinear nonlinearities. Namely, we show that any nontrivial nonnegative solution is positive for a class of problems the strong maximum…

Analysis of PDEs · Mathematics 2016-10-26 Uriel Kaufmann , Humberto Ramos Quoirin , Kenichiro Umezu

This paper studies the existence of positive normalized solutions to the singular elliptic equation \[ -\Delta u + \lambda u = u^{-r} + u^{p-1} \quad \text{in } \Omega, \] with the Dirichlet boundary condition $u=0$ on $\partial\Omega$ and…

Analysis of PDEs · Mathematics 2026-01-29 Siyu Chen , Xiaojun Chang , Jiazheng Zhou

This paper is devoted to prove existence of renormalized solutions for a class of non--linear degenerate elliptic equations involving a non--linear convection term, which satisfies a growth properties, and a Hardy potential. Additionally,…

Analysis of PDEs · Mathematics 2025-02-25 Fessel Achhoud , Abdelkader Bouajaja , Hicham Redwane

In this paper we obtain existence results for the positive solution of a singular elliptic boundary value problem. To prove the main results we use comparison arguments and the method of sub-super solutions combined with a procedure which…

Analysis of PDEs · Mathematics 2011-05-16 Dragos-Patru Covei

The paper is concerned with the slightly subcritical elliptic problem with Hardy term \[ \left\{ \begin{aligned} -\Delta u-\mu\frac{u}{|x|^2} &= |u|^{2^{\ast}-2-\epsilon}u &&\quad \text{in } \Omega, \\\ u &= 0&&\quad \text{on }…

Analysis of PDEs · Mathematics 2015-08-18 Thomas Bartsch , Qianqiao Guo

Under sharp conditions, we prove the existence and refined asymptotic behaviour near zero (resp., at infinity) for all positive radial solutions to elliptic equations such as \begin{equation}\label{eq11} \tag{*} \mathbb…

Analysis of PDEs · Mathematics 2026-03-26 Florica C. Cîrstea , Maria Fărcăşeanu

In this paper, by an approximating argument, we obtain infinitely many solutions for the following Hardy-Sobolev fractional equation with critical growth \begin{equation*}\label{0.1} \left\{% \begin{array}{ll} (-\Delta)^{s} u-\ds\frac{\mu…

Analysis of PDEs · Mathematics 2022-03-21 Chunhua Wang , Jing Yang , Jing Zhou