Periodic motions galore: How to modify nonlinear evolution equations so that they feature a lot of periodic solutions
F. CalogeroJ-P Francoise
所有作者
F. CalogeroJ-P Francoise
文献摘要
A simple trick is illustrated, whereby nonlinear evolution equations can be
modified so that they feature a lot - or, in some cases, only – periodic
solutions. Several examples (ODEs and PDEs) are exhibited.