[Turkmath:4797] Seminar on March 12, 2021 via Zoom

[Mehmet Akif Erdal]

 Dear list members,

You are most cordially invited to the Yeditepe Mathematics Department 25th
Year Seminars organized by the Department of Mathematics. The details of
this week's talk are as follows:

Title: Rank conditions for finite group actions on 4-manifolds

Speaker: Semra Pamuk (Middle East Technical University)

Abstract: In this talk, I will give some old and new information about the
existence of finite group actions on closed, connected, orientable
4-manifolds. In this dimension, the comparison between smooth and
topological group actions are interesting but our focus will be on locally
linear topological actions. In particular, we will talk about the following
question: Given a closed orientable 4-manifold *M*, what is the maximum
value of *rk*(*G*) over all the finite groups *G *which act effectively,
locally linearly, and homologically trivially on *M*? This is a joint work
with Ian Hambleton.

Date: Friday, March 12, 2021
Time: 16:00
Zoom: Please send an e-mail for the seminar link.
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