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SUMMARY:Canonical forms for free group automorphisms - Jean Pierre Mutangu
 ha\, Princeton University
DTSTART:20221214T160000Z
DTEND:20221214T170000Z
UID:TALK193813@talks.cam.ac.uk
CONTACT:Dr Rachael Boyd
DESCRIPTION:The Nielsen–Thurston theory of surface homeomorphisms can be
  thought of as a surface analogue to the Jordan canonical form. I will dis
 cuss my progress in developing a similar canonical form for free group aut
 omorphisms. (Un)Fortunately\, free group automorphisms can have arbitraril
 y complicated behaviour. This is a significant barrier to translating argu
 ments that worked for surfaces into the free group setting\; nevertheless\
 , the overall ideas/strategies do translate!
LOCATION:Centre for Mathematical Sciences\, MR13
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