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UID:a39e84e15b7365e17ef19d22a10f5689
CATEGORIES:Algebra Seminar
CREATED:20241029T111448
SUMMARY:Cluster gluings and open-string Schubert calculus
LOCATION:H705
DESCRIPTION:When is a gluing of affine schemes affine? I will state a complete butconje
 ctural answer when the pieces are tori, and the gluing maps arecluster muta
 tions in the sense of Fomin-Zelevinsky. The combinatoricsof Demazure weaves
  allows to prove the conjecture in interestingcases, notably those in which
  there are finitely many tori, as well asthe simplest ones with infinitely 
 many. This has applications toopen-string Schubert calculus, i.e. computati
 ons of the Fukayacategory of G/P. Joint work with M. Gorsky, J. Simental, D
 . Speyer.
X-ALT-DESC;FMTTYPE=text/html:<pre><span size="4" style="font-size: large;">When is a gluing of affine sc
 hemes affine? I will state a complete butconjectural answer when the pieces
  are tori, and the gluing maps arecluster mutations in the sense of Fomin-Z
 elevinsky. The combinatoricsof Demazure weaves allows to prove the conjectu
 re in interestingcases, notably those in which there are finitely many tori
 , as well asthe simplest ones with infinitely many. This has applications t
 oopen-string Schubert calculus, i.e. computations of the Fukayacategory of 
 G/P. Joint work with M. Gorsky, J. Simental, D. Speyer.</span></pre>
CONTACT:Marco Castronovo
DTSTAMP:20260828T185711
DTSTART;TZID=America/New_York:20241030T140000
DTEND;TZID=America/New_York:20241030T150000
SEQUENCE:0
TRANSP:OPAQUE
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