RUS  ENG JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PERSONAL OFFICE
 Forthcoming seminars Seminar calendar List of seminars Archive by years Register a seminar Search RSS Forthcoming seminars

You may need the following programs to see the files

Globus Seminar
April 26, 2012 16:00, Moscow, IUM (Bolshoi Vlas'evskii per., 11)

Automorphisms of rational surfaces

S. Cantat

University of Rennes 1
 Video records: Flash Video 859.5 Mb

Abstract: A rational surface $X$ is a projective surface which is birationally equivalent to the projective plane (examples are obtained by blowing up a finite number of points of the projective plane). The group of all regular and invertible transformations $f\colon X \to X$ is the group of automorphisms of $X$. There are interesting questions regarding this group: For which surfaces is it infinite? How big can it be? What is the typical dynamical behaviour of automorphisms?… I shall describe some of the main examples, together with a few open questions.