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SUMMARY:Mykola Matviichuk (McGill University)
DTSTART:20201127T160000Z
DTEND:20201127T171500Z
DTSTAMP:20260423T005700Z
UID:CIRGET/25
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CIRGET/25/">
 A local Torelli theorem for log symplectic manifolds</a>\nby Mykola Matvii
 chuk (McGill University) as part of CRM - Séminaire du CIRGET / Géométr
 ie et Topologie\n\n\nAbstract\nWe will discuss how to deform a holomorphic
  symplectic form that has logarithmic poles along a normal crossings divis
 or. We will introduce an appropriate deformation complex and explain how t
 o calculate its cohomology using natural local systems on the strata of th
 e polar divisor. An analysis of the L-infinity structure on the cohomology
  of the deformation complex leads to a simple combinatorial description of
  the deformation space in terms of the periods of the log symplectic form.
  As an application\, we construct new examples of log symplectic forms on 
 $CP^4$ by deforming previously known ones. This is joint work with Brent P
 ym and Travis Schedler.\n
LOCATION:https://researchseminars.org/talk/CIRGET/25/
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