Gelfand type elliptic problems under Steklov boundary conditions

被引:12
|
作者
Berchio, Elvise [1 ]
Gazzola, Filippo [1 ]
Pierotti, Dario [1 ]
机构
[1] Politecn Milan, Dipartimento Matemat, I-20133 Milan, Italy
关键词
EXTREMAL SOLUTIONS; EQUATIONS; REGULARITY; GROWTH;
D O I
10.1016/j.anihpc.2009.09.011
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
For a Gelfand type semilinear elliptic equation we extend some known results for the Dirichlet problem to the Steklov problem. This extension requires some new tools, such as non-optimal Hardy inequalities, and discovers some new phenomena, in particular a different behavior of the branch of solutions and three kinds of blow-up for large solutions in critical growth equations. We also show that small values of the boundary parameter play against strong growth of the nonlinear source. (C) 2009 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:315 / 335
页数:21
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