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SUMMARY:Anna Weigandt (Univeristy of Michigan)
DTSTART:20210222T200000Z
DTEND:20210222T210000Z
DTSTAMP:20260423T024547Z
UID:YUAAS/23
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/YUAAS/23/">T
 he Castelnuovo-Mumford Regularity of Matrix Schubert Varieties</a>\nby Ann
 a Weigandt (Univeristy of Michigan) as part of York University Applied Alg
 ebra Seminar\n\n\nAbstract\nThe Castelnuovo-Mumford regularity of a graded
  module provides a measure of how complicated its minimal free resolution 
 is.  In work with Rajchogt\, Ren\, Robichaux\, and St. Dizier\, we noted t
 hat the CM-regularity of matrix Schubert varieties can be easily obtained 
 by knowing the degree of the corresponding Grothendieck polynomial.  Furth
 ermore\, we gave explicit\, combinatorial formulas for these degrees for s
 ymmetric Grothendieck polynomials.  In this talk\, I will present a genera
 l degree formula for Grothendieck polynomials.  This is joint work with Ol
 iver Pechenik and David Speyer.\n
LOCATION:https://researchseminars.org/talk/YUAAS/23/
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