A strong maximum principle and a compact support principle for singular elliptic inequalities

被引:87
作者
Pucci, P [1 ]
Serrin, J
Zou, HH
机构
[1] Univ Perugia, Dept Math, I-06100 Perugia, Italy
[2] Univ Minnesota, Dept Math, Minneapolis, MN 55455 USA
[3] Univ Alabama, Dept Math, Birmingham, AL 35294 USA
来源
JOURNAL DE MATHEMATIQUES PURES ET APPLIQUEES | 1999年 / 78卷 / 08期
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0021-7824(99)00030-6
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Vazquez in 1984 established a strong maximum principle for the classical m-laplace differential inequality Delta(m)u - f(u) less than or equal to 0, where Delta(m)u = div(\Du\(m-2)Du) and f(u) is a non-decreasing continuous function with f(0) = 0. We extend this principle to a wide class of singular inequalities involving quasilinear divergence structure elliptic operators, and also consider the converse problem of compact support solutions in exterior domains. (C) Elsevier, Paris.
引用
收藏
页码:769 / 789
页数:21
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