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In this paper we consider a Dirichlet problem driven by an anisotropic $(p,q)$-differential operator and a parametric reaction having the competing effects of a singular term and of a superlinear perturbation. We prove a bifurcation-type…

Analysis of PDEs · Mathematics 2021-01-18 Nikolaos S. Papageorgiou , Patrick Winkert

We deal with existence, uniqueness and regularity of nonnegative solutions to a Dirichlet problem for equations as \begin{equation*} \displaystyle -\operatorname{div}\left(\frac{|\nabla u|^{p-2}\nabla u}{(1+u)^{\theta(p-1)}}\right) = h(u)f…

Analysis of PDEs · Mathematics 2023-12-12 Riccardo Durastanti , Francescantonio Oliva

The existence of at least two solutions to superlinear integral equation in cone is proved using the Krasnosielskii Fixed Point Theorem. The result is applied to the Dirichlet BVPs with the fractional Laplacian.

Analysis of PDEs · Mathematics 2013-11-05 Tadeusz Kulczycki , Robert Stanczy

We study sharp conditions for the existence and nonexistence of infinitely many nonnegative solutions to the problem $-\Delta_p u = \lambda f(u)$ in a bounded domain with Dirichlet boundary conditions, where $f$ is a continuous function…

Analysis of PDEs · Mathematics 2026-03-25 Antonio J. Martínez Aparicio , Clara Torres-Latorre

It is proved that the solutions to the singular stochastic $p$-Laplace equation, $p\in (1,2)$ and the solutions to the stochastic fast diffusion equation with nonlinearity parameter $r\in (0,1)$ on a bounded open domain $\Lambda\subset\R^d$…

Probability · Mathematics 2012-05-08 Ioana Ciotir , Jonas M. Tölle

In this article, we prove the existence of solutions to a nonlinear nonlocal elliptic problem with a singualrity and a discontinuous critical nonlinearity which is given as follows. \begin{align} \begin{split}\label{main_prob}…

Analysis of PDEs · Mathematics 2021-08-04 Kamel Saoudi , Akasmika Panda , Debajyoti Choudhuri

For a class of fully nonlinear equations having second order operators which may be singular or degenerate when the gradient of the solutions vanishes, and having first order terms with power growth, we prove the existence and uniqueness of…

Analysis of PDEs · Mathematics 2018-03-19 Isabeau Birindelli , Francoise Demengel , Fabiana Leoni

We study the Dirichlet problem for an elliptic equation involving the $1$-Laplace operator and a reaction term, namely: $$ \left\{\begin{array}{ll} \displaystyle -\Delta_1 u =h(u)f(x)&\hbox{in }\Omega\,,\\ u=0&\hbox{on }\partial\Omega\,,…

Analysis of PDEs · Mathematics 2021-09-24 Marta Latorre , Francescantonio Oliva , Francesco Petitta , Sergio Segura de León

We focus on the study of $p$-Laplacian Dirichlet problem containing the left and right fractional derivative operators. By using the genus properties in critical point theory, we establish some new criteria to guarantee the existence of…

Classical Analysis and ODEs · Mathematics 2016-06-27 Taiyong Chen , Wenbin Liu , Hua Jin

This paper studies a nonlinear Dirichlet problem for the $p$-Laplacian operator with nonlinearity consisting of power components. The problem under consideration can be though of as a perturbation of the Ambrosetti-Brezis-Cerami problem…

Analysis of PDEs · Mathematics 2015-01-19 Vladimir Lubyshev

Let $\Omega$ be a bounded open interval, let $p>1$ and $\gamma>0$, and let $m:\Omega\rightarrow\mathbb{R}$ be a function that may change sign in $\Omega $. In this article we study the existence and nonexistence of positive solutions for…

Classical Analysis and ODEs · Mathematics 2015-10-06 Uriel Kaufmann , Iván Medri

We study a fractional $p$-Laplace equation involving a variable exponent singular nonlinearity in the framework of the Heisenberg group. We first establish the existence and regularity of weak solutions. In the case of a constant singular…

Analysis of PDEs · Mathematics 2025-08-28 Prashanta Garain

The authors of this paper study singular phenomena(vanishing and blowing-up in finite time) of solutions to the homogeneous $\hbox{Dirichlet}$ boundary value problem of nonlinear diffusion equations involving $p(x)$-\hbox{Laplacian}…

Analysis of PDEs · Mathematics 2013-08-13 Bin Guo , Wenjie Gao

In this paper, we study the following Dirichlet problem for a parabolic equation involving fractional $p$-Laplacian with logarithmic nonlinearity \begin{equation*}\label{eq}\left\{ \begin{array}{llc}…

Analysis of PDEs · Mathematics 2020-06-22 Tahir Boudjeriou

We consider the stationary (time-independent) Navier-Stokes equations in the whole threedimensional space, under the action of a source term and with the fractional Laplacian operator (--$\Delta$) $\alpha$/2 in the diffusion term. In the…

Analysis of PDEs · Mathematics 2024-05-16 Oscar Jarrín , Gastón Vergara-Hermosilla

Convergence to a single steady state is shown for non-negative and radially symmetric solutions to a diffusive Hamilton-Jacobi equation with homogeneous Dirichlet boundary conditions, the diffusion being the $p$-Laplacian operator, $p\ge…

Analysis of PDEs · Mathematics 2011-12-22 Guy Barles , Philippe Laurençot , Christian Stinner

This paper is concerned with the transient dynamics described by the solutions of the reaction-diffusion equations in which the reaction term consists of a combination of a superlinear power-law absorption and a time-independent point…

Analysis of PDEs · Mathematics 2015-11-10 Peter V. Gordon , Cyrill B. Muratov

We establish the existence and multiplicity of positive solutions to the problems involving the fractional Laplacian: \begin{equation*} \left\{\begin{array}{lll} &(-\Delta)^{s}u=\lambda u^{p}+f(u),\,\,u>0 \quad &\mbox{in}\,\,\Omega,\\…

Analysis of PDEs · Mathematics 2014-12-30 Jinguo Zhang , Xiaochun Liu

We consider a model of fractional diffusion involving the natural nonlocal version of the $p$-Laplacian operator. We study the Dirichlet problem posed in a bounded domain $\Omega$ of ${\mathbb{R}}^N$ with zero data outside of $\Omega$, for…

Analysis of PDEs · Mathematics 2015-06-02 Juan Luis Vázquez

The aim of this paper is the study of existence of solutions for non- linear p-Laplacian difference equations. In the first part, the existence of a nontrivial homoclinic solution for a discrete p-Laplacian problem is proved. The proof is…

Dynamical Systems · Mathematics 2016-06-27 L. Saavedra , S. Tersian