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HD-Combinatorics: Frank Calegari, "Methods for computing homology and cohomology" | Einstein Institute of Mathematics

HD-Combinatorics: Frank Calegari, "Methods for computing homology and cohomology"

Date: 
Mon, 22/01/201809:00-11:00
Location: 
IIAS, Feldman Building, Givat Ram
Abstract: We describe some different techniques for studying cohomology (both rationally and integrally), including the idea of studying "towers" (of spaces or groups).
Examples include the circle, the Alexander polynomial of a knot, and arithmetic groups.