Existence and non-existence of positive solutions for nonlinear elliptic singular equations with natural growth

被引:11
|
作者
Carmona, Jose [1 ]
Martinez-Aparicio, Pedro J. [2 ]
Suarez, Antonio [3 ]
机构
[1] Univ Almeria, Dept Matemat, La Canada De San Urbano 04120, Almeria, Spain
[2] Univ Politecn Cartagena, Dept Matemat Aplicada & Estadist, Murcia 30202, Spain
[3] Fac Matemat, Dept Ecuac Diferenciales & Anal Numer, Seville, Spain
关键词
Nonlinear elliptic equations; Natural growth condition; The sub super-solution method; Singular gradient terms; QUASI-LINEAR EQUATIONS; GRADIENT TERM;
D O I
10.1016/j.na.2013.05.015
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper we analyze the existence, non-existence and uniqueness of positive solutions of some nonlinear elliptic equations containing singular terms and natural growth in the gradient term. We use an adequate sub super-solution method to prove the existence of solutions, the characterization of eigenvalues and the integrability of the term vertical bar del u vertical bar(2)/u(2) for the non-existence and results from Arcoya-Segura de Leon for the uniqueness. (C) 2013 Elsevier Ltd. All rights reserved.
引用
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页码:157 / 169
页数:13
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