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Displaying 81 – 100 of 129

Stability results for some nonlinear elliptic equations involving the p-Laplacian with critical Sobolev growth

Bruno Nazaret (2010)

ESAIM: Control, Optimisation and Calculus of Variations

This article is devoted to the study of a perturbation with a viscosity term in an elliptic equation involving the p-Laplacian operator and related to the best contant problem in Sobolev inequalities in the critical case. We prove first that this problem, together with the equation, is stable under this perturbation, assuming some conditions on the datas. In the next section, we show that the zero solution is strongly isolated in some sense, among the space of the solutions. Actually, we end the...

Stable solutions of $- Δ u = f (u)$ in $ℝ^{N}$

Louis Dupaigne, Alberto Farina (2010)

Journal of the European Mathematical Society

Several Liouville-type theorems are presented for stable solutions of the equation $- Δ u = f (u)$ in $ℝ^{N}$ , where $f > 0$ is a general convex, nondecreasing function. Extensions to solutions which are merely stable outside a compact set are discussed.

Stationary p-harmonic maps into spheres

Paweł Strzelecki (1996)

Banach Center Publications

Stationary solutions for a Schrödinger-Poisson system in $ℝ^{3}$ .

Benmlih, Khalid (2002)

Electronic Journal of Differential Equations (EJDE) [electronic only]

Stationary Solutions to the Navier-Stokes Equations in Dimension Four.

Claus Gerhardt (1979)

Mathematische Zeitschrift

Steady state coexistence solutions of reaction-diffusion competition models

Joon Hyuk Kang, Jungho Lee (2006)

Czechoslovak Mathematical Journal

Two species of animals are competing in the same environment. Under what conditions do they coexist peacefully? Or under what conditions does either one of the two species become extinct, that is, is either one of the two species excluded by the other? It is natural to say that they can coexist peacefully if their rates of reproduction and self-limitation are relatively larger than those of competition rates. In other words, they can survive if they interact strongly among themselves and weakly...

Steady-state buoyancy-driven viscous flow with measure data

Tomáš Roubíček (2001)

Mathematica Bohemica

Steady-state system of equations for incompressible, possibly non-Newtonean of the $p$ -power type, viscous flow coupled with the heat equation is considered in a smooth bounded domain $Ω \subset ℝ^{n}$ , $n = 2$ or 3, with heat sources allowed to have a natural $L^{1}$ -structure and even to be measures. The existence of a distributional solution is shown by a fixed-point technique for sufficiently small data if $p > 3 / 2$ (for $n = 2$ ) or if $p > 9 / 5$ (for $n = 3$ ).

Strong unique continuation of eigenfunctions for $p$ -Laplacian operator.

Hadi, Islam Eddine, Tsouli, N. (2001)

International Journal of Mathematics and Mathematical Sciences

Strongly nonlinear elliptic boundary value problems

H. Brézis, F. E. Browder (1978)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

Strongly nonlinear elliptic problem without growth condition.

Anane, Aomar, Chakrone, Omar (2002)

Electronic Journal of Differential Equations (EJDE) [electronic only]

Strongly nonlinear elliptic unilateral problems in Orlicz space and $L^{1}$ data.

Aharouch, L., Rhoudaf, M. (2005)

JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]

Strongly nonlinear elliptic variational unilateral problems in Orlicz space.

Aharouch, L., Benkirane, A., Rhoudaf, M. (2006)

Abstract and Applied Analysis

Strongly nonlinear problem of infinite order with $L^{1}$ data.

Benkirane, A., Chrif, M., El Manouni, S. (2009)

Electronic Journal of Qualitative Theory of Differential Equations [electronic only]

Su alcune successioni di soluzioni positive di problemi ellittici con esponente critico

Donato Passaseo (1992)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

— Si presentano alcuni risultati di esistenza e molteplicità di soluzioni positive per l'equazione $Δ u + u^{2^{*} - 1} = 0$ in $H_{0}^{(1, 2)} (Ω)$ , dove $Ω$ è un aperto limitato di $R^{n}$ con $n \geq 3$ e $2^{*} = 2 n / (n — 2)$ . Si mostra che opportune perturbazioni di $Ω$ comportano l'esistenza di soluzioni positive, che convergono a zero quando la capacità delle perturbazioni tende a zero. In particolare, si ottengono risultati di esistenza e molteplicità di soluzioni positive in alcuni aperti limitati e contrattili, non necessariamente simmetrici.

Sublinear eigenvalue problems on compact Riemannian manifolds with applications in Emden-Fowler equations

Alexandru Kristály, Vicenţiu Rădulescu (2009)

Studia Mathematica

Let (M,g) be a compact Riemannian manifold without boundary, with dim M ≥ 3, and f: ℝ → ℝ a continuous function which is sublinear at infinity. By various variational approaches, existence of multiple solutions of the eigenvalue problem $- Δ_{g} ω + α (σ) ω = K ̃ (λ, σ) f (ω)$ , σ ∈ M, ω ∈ H₁²(M), is established for certain eigenvalues λ > 0, depending on further properties of f and on explicit forms of the function K̃. Here, $Δ_{g}$ stands for the Laplace-Beltrami operator on (M,g), and α, K̃ are smooth positive functions. These multiplicity...

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