Article
Keywords:
Diophantine approximations; wave equation; periodic solution; bifurcation
Summary:
A modification of a classical number-theorem on Diophantine approximations is used for generalizing H. kielhöfer's result on bifurcations of nontrivial periodic solutions to nonlinear wave equations.
References:
[2] H. Kielhöfer P. Kötzner:
Stable periods of a semilinear wave equation and bifurcation of periodic solutions. j. Appl. Math. Phys. (ZAMP) 38 (1987), 204-212.
DOI 10.1007/BF00945406
[3] J. W. S. Cassels:
An introduction to Diophantine approximation. Cambridge University Press no. 45, Cambridge, 1957.
MR 0087708 |
Zbl 0077.04801