document.write("« Global an cocycle atractor for non-utonomous reaction-difussion equations . The case of null upper Lyapunov exponente. (arXiv:1712.05194v1 [math.DS])");document.write(" | ");document.write("Global solutions of non-linear wave-Klein-Gordon system in two space dimension: semi-linear interactions. (arXiv:1712.05315v1 [math.AP]) »");