Breaking of resonance and regularizing effect of a first order quasi-linear term in some elliptic equations

被引:21
作者
Abdellaoui, Boumediene [2 ]
Peral, Ireneo [1 ]
Primo, Ana [1 ]
机构
[1] Univ Autonoma Madrid, Dept Math, E-28049 Madrid, Spain
[2] Univ Aboubekr Belkaid, Dept Math, Tilimsen 13000, Tlemcen, Algeria
来源
ANNALES DE L INSTITUT HENRI POINCARE-ANALYSE NON LINEAIRE | 2008年 / 25卷 / 05期
关键词
Quasilinear elliptic equations; Existence and nonexistence; Regularization; Resonance;
D O I
10.1016/j.anihpc.2007.06.003
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this article we study the problem (P) {-Delta u + vertical bar del u vertical bar(q) = lambda g(x)u + f(x) in Omega, u > 0 in Omega, u = 0 on partial derivative Omega, with 1 <= q <= 2 and f, g are positive measurable functions. We give assumptions on g with respect to q for which for all lambda > 0 and all f is an element of L-1, f >= 0, problem (P) has a positive solution. In particular we focus our attention on g(x) = 1/vertical bar x vertical bar(2) to prove that the assumptions on g are optimal. (C) 2007 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:969 / 985
页数:17
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