12. Orbital Stability and Forced Oscillations

Abstract

Let us consider a system described by the equation

$\displaystyle \dot x(t) = A(t)x(t)+F(x(t),t) \quad\quad(1.1)$

where A(t) is a variable n × n-matrix, and F maps C$^n \times [0, \infty)$ into Cⁿ.