2018
Jan
22

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

9:00am to 11:00am

## 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.

Examples include the circle, the Alexander polynomial of a knot, and arithmetic groups.