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In this work, we study the existence and nonexistence of solution for strongly coupled elliptic systems to m-parameters.

Analysis of PDEs · Mathematics 2021-01-05 Felipe Costa , Gil F. de Souza , Marcos Montenegro

This paper completes and partially improves some of the results of [arXiv:0809.5002] about the asymptotic behavior of solutions of linear and nonlinear elliptic equations with singular coefficients via an Almgren type monotonicity formula

Analysis of PDEs · Mathematics 2011-02-22 Veronica Felli , Alberto Ferrero , Susanna Terracini

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

We establish the existence and uniqueness of solutions for quasilinear singular Lane-Emden type systems subjected to Neumann boundary conditions. The approach is chiefly based on sub-supersolutions method.

Analysis of PDEs · Mathematics 2023-10-27 Nouredine Medjoudj , Abdelkrim Moussaoui

In this paper we consider the existence of positive solutions for a singular elliptic problem involving an asymtotically linear nonlinearity and depending on one positive parameter. Using variational methods, together with comparison…

Analysis of PDEs · Mathematics 2020-11-18 Ricardo Lima Alves

We prove a few existence results of a solution for a static system with a coupling of thermoviscoelastic type. As this system involves $L^1$ coupling terms we use the techniques of renormalized solutions for elliptic equations with $L^1$…

Analysis of PDEs · Mathematics 2008-12-18 Olivier Guibé

It is established existence of bound and ground state solutions for quasilinear elliptic systems driven by (\phi 1, \phi 2)-Laplacian operator. The main feature here is to consider quasilinear elliptic systems involving both nonsingular…

Analysis of PDEs · Mathematics 2018-11-20 M. L. M. Carvalho , Edcarlos D. Da Silva , C. A. Santos , C. Goulart

We study a class of linearly coupled system of quasilinear equations. Under some assumptions on the nonlinear terms, we establish some results about the existence and regularity of vector solutions for the p-Laplacian systems by using…

Analysis of PDEs · Mathematics 2018-01-22 Yong Ao , Jiaqi Wang , Wenming Zou

This paper deals with existence of positive solutions for a class of quasilinear elliptic systems involving the $\Phi$-Laplacian operator and convex-concave singular terms. Our approach is based on the generalized Galerkin Method along with…

Analysis of PDEs · Mathematics 2016-10-11 Carlos Alberto Santos , Marcos L. Carvalho , Jose V. Goncalves

Electronics has changed greatly during recent decades, and some its basic concepts should be revisited. Starting from the sampling procedure, we consider some mathematical, physical and engineering aspects related to singular, mainly…

Exactly Solvable and Integrable Systems · Physics 2008-01-24 Emanuel Gluskin

We are concerned with the well-posedness of linear elliptic systems posed on $\mathbb{R}^d$. The concrete problem of interest, for which we require this theory, arises from the linearization of the equations of anisotropic finite…

Analysis of PDEs · Mathematics 2012-04-16 Christoph Ortner , Endre Suli

In this paper we consider a quasilinear singular anisotropic elliptic problem with a p-sublinear perturbation. We prove uniqueness of weak solutions and we provide necessary and sufficient conditions for the existence of weak solutions in…

Analysis of PDEs · Mathematics 2026-04-13 Francesco Esposito , Francescantonio Oliva , Eugenio Vecchi

We consider possibly degenerate and singular elliptic equations in a possibly anisotropic medium. We obtain monotonicity results for the energy density, rigidity results for the solutions and classification results for the…

Analysis of PDEs · Mathematics 2018-12-06 Matteo Cozzi , Alberto Farina , Enrico Valdinoci

In this work, we review and extend some well known results for the eigenvalues of the Dirichlet $p-$Laplace operator to a more general class of monotone quasilinear elliptic operators. As an application we obtain some homogenization results…

Analysis of PDEs · Mathematics 2014-02-27 Julian Fernandez Bonder , Juan Pablo Pinasco , Ariel M. Salort

This paper is devoted to the study, with variational technique, of (p,q)-Laplacian equations in presence of general nonlinearities. Especially we obtain the existence result for the zero mass case, which includes a large class of pure power…

Analysis of PDEs · Mathematics 2017-09-21 Alessio Pomponio , Tatsuya Watanabe

In a smooth bounded domain we obtain existence, uniqueness, regularity and boundary behavior for a class of singular quasi-linear elliptic equations.

Analysis of PDEs · Mathematics 2012-04-03 Marco Squassina

We investigate the problem of the existence of trajectories asymptotic to elliptic equilibria of Hamiltonian systems in the presence of resonances.

Dynamical Systems · Mathematics 2016-02-11 Paolo Buttà , Piero Negrini

In this paper, we consider a quasi-linear Dirichlet system with possible competing $(p,q)$-Laplacians and convections. Due to the lack of ellipticity, monotonicity, and variational structure, the standard approaches to the existence of weak…

Analysis of PDEs · Mathematics 2023-05-09 L. Gambera , S. A. Marano , D. Motreanu

Uniqueness of the finite element solution for nonmonotone quasilinear problems of elliptic type is established in one and two dimensions. In each case, we prove a comparison theorem based on locally bounding the variation of the discrete…

Numerical Analysis · Mathematics 2017-06-09 Sara Pollock , Yunrong Zhu

In this paper we study the existence of solutions of thedegererate elliptic system.

Analysis of PDEs · Mathematics 2016-04-18 Lucio Boccardo , Gisella Croce , Chiara Tanteri