Abstract
It is shown that there are plenty of hyperbolic-elliptic invariant tori, thus quasiperiodic solutions for a class of nonlinear wave equations.
Open Access
Invariant manifold of hyperbolic-elliptic type for nonlinear wave equation
Received09 Jul 2002
Copyright
Copyright © 2003 Hindawi Publishing Corporation. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.