summer 2018
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Research interests:arithmetic geometry, number theory, algebraic topology, algebraic K-theory |
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Benjamin Brück, Universität Münster
04.12.2024 12:00, B1-37
Title: High-dimensional group cohomology via tesselations of symmetric spaces
Group cohomology allows one to associate to a group a sequence of algebraic invariants. A main tool to compute these invariants for the group SLn(Z) are tessellations due to Voronoi of the symmetric space associated to SLn(R). I will indicate how these tessellations are defined and how they can be used to compute parts of the cohomology of SLn(Z), both by hand and using computers.
Last modified: 16.11.2022