Stability and bifurcation theory for non autonomous differential equations : Cetraro Italy 2011 The Maslov index and global bifurcation for nonlinear boundary value problems Alberto Boscaggin Anna Capietto and Walter Dambrosio Discrete time nonautonomous dynamical systems P.E. Kloeden C. Pötzsche and M. Rasmussen Resonance problems for some non autonomous ordinary differential equations Jean Mawhin Non autonomous functional differential equations and applications Sylvia Novo and Rafael Obaya Twist mappings with non periodic angles Markus Kunze and Rafael Ortega