A note on the reducibility of linear differential equations with quasiperiodic coefficients
Xiaoping Yuan1,2and Ana Nunes2
Received03 Jun 2002
Abstract
The system x˙=(A+ϵQ(t))x, where A is a constant
matrix whose eigenvalues are not necessarily simple and Q is a
quasiperiodic analytic matrix, is considered. It is proved that,
for most values of the frequencies, the system is reducible.