# Jerusalem Mathematics Colloquium

Thursday, 13th December 2007, 4:00 pm

Mathematics Building, Lecture Hall 2

##

Alex Furman

(University of Illinois at Chicago)

"An introduction to Measurable Group Theory"

** Abstract: **

In this talk we shall discuss rigidity aspects of infinite
discrete groups, which arise naturally in Geometry
(as fundamental groups of manifolds), in Algebraic
groups (as lattices) and, more generally, as symmetries
of various mathematical objects.
Starting from the by now classical rigidity results of Mostow,
Margulis, Zimmer, we shall turn to the recently active
area of Measurable Group Theory. It parallels in
some way Geometric Group Theory, but is more closely
related to Ergodic Theory and has implications in other
areas such as von Neumann algebras and Descriptive
Set Theory (Logic).

This will be a survey talk for non-specialists.

Light refreshments will be served in the faculty lounge at 3:30.

List of talks, 2007-08

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