Twisted Tori of Constant Mean Curvature in R3 -- Old and New Doubly Periodic Solutions of the Sinh-Gordon Equation -- Global Existence of Small Amplitude Solutions to Nonlinear Klein-Gordon Equations in Four Space-Time Dimensions -- Global Existence of Solutions of the Yang-Mills Equations in Minkowski Spacetime -- Nonlinear Stability in Fluids and Plasmas -- Lane-Emden Equations and Related Topics in Nonlinear Elliptic and Parabolic Problems -- Parabolicity and the Liouville Property on Complete Riemannian Manifolds -- Global Analysis and Teichmรผller Theory