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# Betti numbers of definable sets

Date:
Friday 15th July 2005 - 16:00 to 17:00
Venue:
INI Seminar Room 1
Abstract:

A spectral sequence associated with a surjective closed mapping allows one to provide upper bounds for the Betti numbers of a wide class of sets defined by formulas with quantifiers in terms of the Betti numbers of auxiliary sets defined by quantifier-free formulas. A review of the recent development in this direction will be presented

Presentation Material: