Winter School

Invited lectures on 42nd Winter School

Marton Elekes, Alfr�d R�nyi Institute of Mathematics, Budapest, Hungary

Series of three lectures with the title:
   Haar null sets; an encounter of real analysis, descriptive set theory, functional analysis, set theory and geometric measure theory



Eva Kopeck�, University of Innsbruck, Innsbruck, Austria

Series of three lectures with the title:
   Products of Projections



Jorge L�pez-Abad, Instituto de Ciencias Matem�ticas, Madrid, Spain

Series of four lectures with the title:
   Unconditional basic sequences



Aldo Pratelli, Univestität Erlangen-Nürnberg, Erlangen, Germany

Series of four lectures with the title:
   The isoperimetric problem in a Euclidean space with density