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SUMMARY:The Mirror Clemens-Schmid Sequence - Alan Thompson (Loughborough U
 niversity)
DTSTART:20220712T150000Z
DTEND:20220712T160000Z
UID:TALK176432@talks.cam.ac.uk
DESCRIPTION:The Clemens-Schmid sequence is a four-term exact sequence that
  relates the cohomology of a general fibre to the cohomology of the specia
 l fibre in a degeneration\, and encodes useful information about the struc
 ture of the central fibre and the action of monodromy. I will present a ca
 ndidate mirror to this sequence\, which contains various information about
  the cohomology of a fibration. Based upon this\, I will formulate a mirro
 r conjecture relating the terms of the Clemens-Schmid sequence for a degen
 eration of a Calabi-Yau to the terms of the mirror sequence describing the
  structure of a fibration on the mirror Calabi-Yau. Finally\, I will prese
 nt illustrative examples from mirror symmetry for K3 surfaces and Calabi-Y
 au threefolds as evidence for this conjecture. This is joint work with Cha
 rles Doran.&nbsp\;
LOCATION:Seminar Room 2\, Newton Institute
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