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SUMMARY:Ana-Maria Castravet (Versailles)
DTSTART:20200616T130000Z
DTEND:20200616T140000Z
DTSTAMP:20260422T223933Z
UID:WarwickAG/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/WarwickAG/8/
 ">Exceptional collections on moduli spaces of pointed stable rational curv
 es</a>\nby Ana-Maria Castravet (Versailles) as part of Warwick algebraic g
 eometry seminar\n\n\nAbstract\nI will report on joint work with Jenia Teve
 lev answering a question of Orlov. We prove that the Grothendieck-Knudsen 
 moduli spaces of pointed stable rational curves with n markings admit full
 \, exceptional collections that are invariant under the action of the symm
 etric group $S_n$ permuting the markings. In particular\, a consequence is
  that the K-group with integer coefficients is a permutation $S_n$-lattice
 .\n
LOCATION:https://researchseminars.org/talk/WarwickAG/8/
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