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SUMMARY:Anna Weigandt (MIT)
DTSTART:20220215T150000Z
DTEND:20220215T160000Z
DTSTAMP:20260423T022745Z
UID:TRAC/34
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/TRAC/34/">Th
 e Castelnuovo-Mumford Regularity of Matrix Schubert Varieties</a>\nby Anna
  Weigandt (MIT) as part of The TRAC Seminar - Théorie de Représentations
  et ses Applications et Connections\n\n\nAbstract\nThe Castelnuovo-Mumford
  regularity of a graded module provides a measure of how complicated its m
 inimal free resolution is.  In work with Rajchgot\, Ren\, Robichaux\, and 
 St. Dizier\, we noted that the regularity of Matrix Schubert Varieties can
  be easily obtained by knowing the degree of the corresponding Grothendiec
 k polynomial.  Furthermore\, we gave explicit\, combinatorial formulas for
  the degrees of symmetric Grothendieck polynomials.  In this talk\, I will
  present a combinatorial degree formula for arbitrary Grothendieck polynom
 ials. This is joint work with Oliver Pechenik and David Speyer.\n
LOCATION:https://researchseminars.org/talk/TRAC/34/
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