**ODTÜ-B****İ****LKENT
ALGEBRAIC GEOMETRY SEM****I****NAR**

# “Free Group
Actions on Products of Spheres”

By

**ÖZGÜN ÜNLÜ**

**(BİLKENT UNIVERSITY)**

**Abstract: **In this talk we will discuss the problem of
finding group theoretic conditions that characterizes the finite groups which
can act freely on a given product of spheres. The study of this problem breaks
up into two aspects: (1) Find group theoretic restrictions on finite groups
that can act freely on the given product. (2) Construct explicit free actions
of finite groups on the given product. I will give a quick overview of the
first aspect of this topic. Then I will discuss some recently employed methods
of constructing such actions.

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**Date: ****Friday, November 6, 2015**

**Time: ****15.40**

**Place: ****Mathematics Seminar Room,
****SA – 141**

Tea and cookies will be served before the
seminar.