Abstract:Existence of nonnegative solutions are established for the periodic problem $y'=f(t,y)$ a.e. on $[0,T]$, $y(0)=y(T)$. Here the nonlinearity $f$ satisfies a Landesman Lazer type condition.
Keywords: periodic, existence, Landesman Lazer
AMS Subject Classification: 34A05, 34A12