|The topology at infinity of an arithmetic group|
Abstract: Let G be an arithmetic group like SL(n,Z). Borel and Serre proved a beautiful theorem showing that the topology of G "at infinity" can be modeled by an appropriate Tits building. I will discuss a circle of ideas combining insights from topology, number theory, and representation theory to use this to shed light on G and its subgroups.
|Web page: Alexandru I. Suciu||Posted: November 28, 2020|
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