You are cordially invited to the Graduate Mathematics Seminar Series organized by the Department of Mathematics. Speaker: Mehmet Kırtışoğlu (Bilkent University) “Thomason Cohomology and Quillen’s Theorem A” Abstract: We Given a functor φ : C->D between small categories, Quillen showed that there is a homotopy equivalence κ : hocolim_D N(φ/-)-> NC, where N(φ/-) is the functor that sends each object d of D to the nerve of the comma category φ/d. W…
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