[Turkmath:3756] Bilkent Cebir Semineri - Ergün Yalçın - 08.04.2019
Bilkent Mathematics
bilmath at fen.bilkent.edu.tr
Fri Apr 5 13:30:33 UTC 2019
Değerli liste üyeleri,
Bilkent Matematik Bölümü Cebir Seminerleri kapsamında 8 Nisan'da Ergün Yalçın konuşmacı olacaktır.
Ergün Yalçın (Bilkent Üniversitesi)
"Obstructions for gluing biset functors II"
Özet: Last week we introduced an obstruction theory for the existence and uniqueness of a solution to the gluing problem for a biset functor defined on the sections of a finite group G.
The obstruction groups for this theory are the reduced cohomology groups of a category whose objects are the sections (U,V) of G with V not equal to 1, and whose morphisms are defined as a generalization of morphisms in the orbit category. This week we will show how these obstruction groups can be calculated using the work of Jackowski-Slominska on isotropy presheaves, and a theorem of Bob Oliver on the cohomology groups of the Quillen category of a finite group. This is a joint work with Olcay Coşkun.
Tarih: 8 Nisan 2019 Pazartesi, 10:40
Bilkent Matematik Bölümü Seminer Odası SA - 141
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