Topological and variational methods for nonlinear boundary value problems : 20th Seminar in Partial Differential Equations

Preface Some Extensions of Topological Degree Theory with Applications to Nonlinear Problems, J. Berkovits, University of Oulu, Finland Some Remarks on the Antimaximum Principle, J.-P. Gossez, University of Brussels The Fibering Method in Nonlinear Variational Problems, S.I. Pohozaev, Steklov Mathematical Institute of the Russian Academy of Sciences Index Theories for Indefinite Functionals and Applications, A. Szulkin, University of Stockholm Topological Characteristics of Fully Nonlinear Parabolic Problems, I.V. Skrypnik, Institute of Applied Mathematics and Mechanics, Ukrainian Academy of Sciences