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In this paper, we consider a p-Laplacian equation in {R}^{N}with sign-changing potential and subcritical p-superlinear nonlinearity. By using the cohomological linking method for cones developed by Degiovanni and Lancelotti in 2007, an…

Analysis of PDEs · Mathematics 2010-11-25 Chungen Liu , Youquan Zheng

We prove the existence of solutions for a class of quasilinear problems involving variable exponents and with nonlinearity having critical growth. The main tool used is the variational method, more precisely, Ekeland's Variational Principle…

Analysis of PDEs · Mathematics 2013-12-12 Claudianor O. Alves , Marcelo C. Ferreira

We prove H\"older continuity up to the boundary for solutions of quasi-linear degenerate elliptic problems in divergence form, not necessarily of variational type, on Lipschitz domains with Neumann and Robin boundary conditions. This…

Analysis of PDEs · Mathematics 2011-04-28 Robin Nittka

The existence of a positive entire weak solution to a singular quasi-linear elliptic system with convection terms is established, chiefly through perturbation techniques, fixed point arguments, and a priori estimates. Some regularity…

Analysis of PDEs · Mathematics 2021-02-22 Umberto Guarnotta , Salvatore A. Marano , Abdelkrim Moussaoui

Existence of two solutions to a parametric singular quasi-linear elliptic problem is proved. The equation is driven by the {\Phi}-Laplacian operator and the reaction term can be non-monotone. The main tools employed are a local minimum…

Analysis of PDEs · Mathematics 2022-07-01 Pasquale Candito , Umberto Guarnotta , Roberto Livrea

In this paper, we are concerned with the boundedness of all the solutions for a kind of second order differential equations with p-Laplacian term $(\phi_p(x'))'+a\phi_p(x^+)-b\phi_p(x^-)+f(x)=e(t)$, where $x^+=\max (x,0)$, $x^-…

Dynamical Systems · Mathematics 2013-02-08 Xiao Ma , Daxiong Piao , Yiqian Wang

We consider additive Schwarz methods for boundary value problems involving the $p$-Laplacian. While existing theoretical estimates suggest a sublinear convergence rate for these methods, empirical evidence from numerical experiments…

Numerical Analysis · Mathematics 2025-11-11 Young-Ju Lee , Jongho Park

Boundary value problems for a class of quasilinear elliptic equations, with an Orlicz type growth and L^1 right-hand side are considered. Both Dirichlet and Neumann problems are contemplated. Existence and uniqueness of generalized…

Analysis of PDEs · Mathematics 2017-08-25 Andrea Cianchi , Vladimir Maz'ya

A non-homogeneous conormal derivative problem is considered for quasilinear divergence form elliptic equations modeled on the $m$-Laplacian operator. The nonlinear terms are given by Carath\'eodory functions and satisfy controlled growth…

Analysis of PDEs · Mathematics 2025-12-23 Dian K. Palagachev , Lubomira G. Softova

We consider the natural time-dependent fractional $p$-Laplacian equation posed in the whole Euclidean space, with parameter $1<p<2$ and fractional exponent $s\in (0,1)$. Rather standard theory shows that the Cauchy Problem for data in the…

Analysis of PDEs · Mathematics 2021-01-07 Juan Luis Vázquez

We consider the existence of positive solutions to weighted quasilinear elliptic differential equations of the type \[ \begin{cases} - \Delta_{p, w} u = \sigma u^{q} & \text{in $\Omega$}, \\ u = 0 & \text{on $\partial \Omega$} \end{cases}…

Analysis of PDEs · Mathematics 2022-10-12 Takanobu Hara

In this note we show the existence of at least three nontrivial solutions to the following quasilinear elliptic equation $-\Delta_p u = |u|^{p^*-2}u + \lambda f(x,u)$ in a smooth bounded domain $\Omega$ of $\R^N$ with homogeneous Dirichlet…

Analysis of PDEs · Mathematics 2010-03-15 Pablo L. De Nápoli , Julián Fernández Bonder , Analía Silva

The existence of entire solutions to quasilinear elliptic systems exhibiting both singular and convective reaction terms is discussed. An auxiliary problem, obtained by `freezing' the convection terms and `shifting' the singular ones, is…

Analysis of PDEs · Mathematics 2021-07-14 Umberto Guarnotta

We study the Cauchy problem associated to a family of nonautonomous semilinear equations in the space of bounded and continuous functions over R^d and in L^p-spaces with respect to tight evolution systems of measures. Here, the linear part…

Analysis of PDEs · Mathematics 2016-07-19 Davide Addona , Luciana Angiuli , Luca Lorenzi

We prove that quasi-concave positive solutions to a class of quasi-linear elliptic equations driven by the $p$-Laplacian in convex bounded domains of the plane have only one critical point. As a consequence, we obtain strict concavity…

Analysis of PDEs · Mathematics 2022-05-30 William Borrelli , Sunra Mosconi , Marco Squassina

A $p$-Laplacian elliptic problem in the presence of both strongly singular and $(p-1)$-superlinear nonlinearities is considered. We employ bifurcation theory, approximation techniques and sub-supersolution method to establish the existence…

Analysis of PDEs · Mathematics 2021-03-16 Carlos Alberto Santos , Jacques Giacomoni , Lais Santos

In this article we study the well-posedness (uniqueness and existence of solutions) of nonlinear elliptic Partial Differential Equations (PDEs) on a finite graph. These results are obtained using the discrete comparison principle and…

Analysis of PDEs · Mathematics 2013-03-01 Juan J. Manfredi , Adam M. Oberman , Alex P. Svirodov

In this work, we study the existence of $W_0^{1, p(\cdot)}$-solutions to the following boundary value problem involving the $p(\cdot)$-Laplacian operator: \begin{equation*} \left\lbrace \begin{array}{l} -\Delta_{p(x)}u+|\nabla…

Analysis of PDEs · Mathematics 2020-04-30 Pablo Ochoa , Analia Silva

For quasi-linear elliptic equations we detect relevant properties which remain invariant under the action of a suitable class of diffeomorphisms. This yields a connection between existence theories for equations with degenerate and…

Analysis of PDEs · Mathematics 2011-04-13 Viviana Solferino , Marco Squassina

In this work we consider a system of quasilinear elliptic equations driven by an anisotropic $p$-Laplacian. The lower-order nonlinearities are in potential form and exhibit critical Sobolev growth. We exhibit conditions on the coefficients…

Analysis of PDEs · Mathematics 2024-01-01 Mathew Gluck