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SUMMARY:Will Donovan (Yau MSC\, Tsinghua University)
DTSTART:20200512T130000Z
DTEND:20200512T140000Z
DTSTAMP:20260422T223657Z
UID:WarwickAG/5
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/WarwickAG/5/
 ">Windows on the Pfaffian-Grassmannian correspondence</a>\nby Will Donovan
  (Yau MSC\, Tsinghua University) as part of Warwick algebraic geometry sem
 inar\n\n\nAbstract\nThe Pfaffian-Grassmannian correspondence has been a ke
 y example in the development of Homological Projective Duality: it concern
 s certain pairs of non-birational Calabi-Yau threefolds which share a mirr
 or partner\, and can be proved to be derived equivalent. Physically\, such
  an equivalence is associated to B-brane transport along a path in a mirro
 r symmetry moduli space\, and is dependent on the homotopy class of that p
 ath: I give a mathematical implementation of this dependency\, in terms of
  mutations of an exceptional collection on the relevant Grassmannian. This
  follows a physical analysis of Hori and Eager-Hori-Knapp-Romo\, and build
 s on work with Addington and Segal.\n
LOCATION:https://researchseminars.org/talk/WarwickAG/5/
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