Regularity of Radial Extremal Solutions for Some Non-Local Semilinear Equations

被引:235
作者
Capella, Antonio [2 ]
Davila, Juan [3 ,4 ]
Dupaigne, Louis [5 ]
Sire, Yannick [1 ]
机构
[1] Univ Aix Marseille 3, Paul Cezanne LATP, F-13453 Marseille, France
[2] Univ Nacl Autonoma Mexico, Inst Matemat, Mexico City 04510, DF, Mexico
[3] Univ Chile, Dept Ingn Matemat, Santiago, Chile
[4] Univ Chile, CMM, Santiago, Chile
[5] Univ Picardie Jules Verne, UMR CNRS 6140, LAMFA, Amiens, France
关键词
Boundary reactions; Extremal solutions; Fractional operators; ELLIPTIC PROBLEMS; MINIMIZERS; BOUNDARY;
D O I
10.1080/03605302.2011.562954
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We investigate stable solutions of elliptic equations of the type {(-Delta)(s) u = lambda f(u) in B-1 subset of R-n u = 0 on partial derivative B-1, where n >= 2, s is an element of (0, 1), lambda = 0 and f is any smooth positive superlinear function. The operator (-Delta)(s) stands for the fractional Laplacian, a pseudo- differential operator of order 2s. According to the value of lambda, we study the existence and regularity of weak solutions u.
引用
收藏
页码:1353 / 1384
页数:32
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