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DTSTART:20260308T070000
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DTSTART:20261101T060000
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DTSTART;TZID=America/Toronto:20261105T150000
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URL:https://uwaterloo.ca/pure-mathematics/events/model-theory-seminar-rahim
 -moosa-around-wild-automorphism
SUMMARY:Model Theory Seminar | Rahim Moosa | Around the wild automorphism\n
 conjecture
CLASS:PUBLIC
DESCRIPTION:RAHIM MOOSA (UNIVERSITY OF WATERLOO)\n\n_Around the wild automo
 rphism conjecture_\n\nThe wild automorphism conjecture\, of Reichstein\, R
 ogalski\, and Zhang\nfrom 2006\, proposes that if a projective algebraic v
 ariety X (in\ncharacteristic zero) admits an automorphism that leaves no p
 roper\nsubvariety invariant then X is an abelian variety. I will discuss\n
 recent work with Jason Bell where we use tools from the model theory\nof d
 ifference fields (developed last year by Moshe Kamensky and I) to\nresolve
  the “compound fundamental isotrivial” case. I will also\ngive a count
 erexample to the naive nonautonomous generalisation of the\nconjecture\, e
 xhibiting some of the difficulties in applying a\nmodel-theoretic analysis
 .\n\nMC 5403
DTSTAMP:20261101T082920Z
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