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math.CO2023
Lascoux expansion of the product of a Lascoux and a stable Grothendieck
Gidon Orelowitz, Tianyi Yu
This paper gives a tableau formula for expanding the product of a Lascoux polynomial and a stable Grothendieck polynomial into Lascoux polynomials. Lascoux and stable Grothendieck…
math.CO2023
Combinatorics and Representation Theory of Special Cases of Chern Plethysm
Nathaniel Libman, Gidon Orelowitz
Chern plethysm (introduced by Billey, Rhoades, and Tewari) is a geometric way to produce Schur positive symmetric polynomials. We present combinatorial interpretations for the Schu…