On similarity solutions and blow-up spectra for a semilinear wave equation

被引:11
|
作者
Galaktionov, VA [1 ]
Pohozaev, SI
机构
[1] Univ Bath, Dept Math Sci, Bath BA2 7AY, Avon, England
[2] MV Keldysh Appl Math Inst, Moscow 125047, Russia
[3] VA Steklov Math Inst, Moscow 117966, Russia
关键词
semilinear wave equation; blow-up; asymptotic behaviour; similarity solutions; fibering method; quadratic pencil; eigenvalue problem;
D O I
10.1090/qam/1999839
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We construct countable spectra of different asymptotic patterns of self-similar and approximate self-similar types for global and blow-up solutions for the semi-linear wave equation u(tt) = Deltau + \u\(p-1)u, x is an element of R-N, t > 0, in different ranges of exponent p and dimension N.
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页码:583 / 600
页数:18
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