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SUMMARY:Understanding wreath products and invariable generation - Charles 
 Cox (University of Bristol)
DTSTART:20201204T134500Z
DTEND:20201204T144500Z
UID:TALK152839@talks.cam.ac.uk
CONTACT:76015
DESCRIPTION:We'll begin with a gentle introduction to a wreath product\, a
 nd the concept of a group having an invariable generating set. I will try 
 and work only with concrete examples (all infinite groups based in some wa
 y on the integers). There are then two proofs that I've written recently\,
  whose basic ideas I'll hopefully capture for an audience new to the defin
 itions being introduced. I hope to illustrate where the proofs have come f
 rom and why they are natural.
LOCATION:Zoom: https://maths-cam-ac-uk.zoom.us/j/91636583222
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