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SUMMARY:Dongkwan Kim (University of Minnesota)
DTSTART;VALUE=DATE-TIME:20200611T070000Z
DTEND;VALUE=DATE-TIME:20200611T090000Z
DTSTAMP;VALUE=DATE-TIME:20240329T083911Z
UID:IBS-CGP_Seminar/1
DESCRIPTION:Title: Two-row W-graphs in affine type A\nby Dongkwan Kim (University
of Minnesota) as part of IBS-CGP Seminar\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/IBS-CGP_Seminar/1/
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SUMMARY:Jang Soo Kim (Sungkyunkwan University)
DTSTART;VALUE=DATE-TIME:20201125T040000Z
DTEND;VALUE=DATE-TIME:20201125T060000Z
DTSTAMP;VALUE=DATE-TIME:20240329T083911Z
UID:IBS-CGP_Seminar/2
DESCRIPTION:Title: Jacobi–Trudi formulas for flagged refined dual stable Grothendie
ck polynomials\nby Jang Soo Kim (Sungkyunkwan University) as part of I
BS-CGP Seminar\n\n\nAbstract\nRecently Galashin\, Grinberg\, and Liu intro
duced the refined dual stable Grothendieck polynomials\, which are symmetr
ic functions in $x=(x_1\,x_2\,\\dots)$ with additional parameters $t=(t_1\
,t_2\,\\dots)$. The refined dual stable Grothendieck polynomials are defin
ed as a generating function for reverse plane partitions of a given shape.
They interpolate between Schur functions and dual stable Grothendieck pol
ynomials introduced by Lam and Pylyavskyy in 2007. Flagged refined dual st
able Grothendieck polynomials are a more refined version of refined dual s
table Grothendieck polynomials\, where lower and upper bounds are given fo
r the entries of each row or column. In this talk we show Jacobi–Trudi-t
ype formulas for flagged refined dual stable Grothendieck polynomials usin
g plethystic substitution. This resolves a conjecture of Grinberg and gene
ralizes a result by Iwao and Amanov–Yeliussizov.\n
LOCATION:https://researchseminars.org/talk/IBS-CGP_Seminar/2/
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