[Turkmath:6662] FW: HATIRLATMA! İSTANBUL BİLGİ ÜNİVERSİTESİ MATEMATİK SEMİNERLERİ

[Oya Cesur Demir]

Prof. Dr. Mustafa Korkmaz
(Middle East Technical University)
13 November Friday, at 14:00;
Bilgi Üniversitesi Dolapdere Kampüsü, Room:130.
Title:
Actions of mapping class groups
 Abstract:
Mapping class group of an orientable surface is the group of isotopy  classes of self diffeomorphisms of the surface. This group plays a central role in low dimensional topology. Therefore, its algebraic  properties are of interest. In this talk, I will describe some known  algebraic properties. Some of these properties are derived from its  action on geometric objects, which include various simplicial complexes formed from arcs and/or curves on the surface.





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