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math.CO2022★ 1 cited
Proof of a conjectured Möbius inversion formula for Grothendieck polynomials
Oliver Pechenik, Matthew Satriano
Schubert polynomials are polynomial representatives for cohomology classes of Schubert varieties in a complete flag variety, while Grothendieck polynomials $\mathf…
math.CO2020★ 2 cited
What fraction of an -orbit can lie on a hyperplane?
Jiahui Huang, David McKinnon, Matthew Satriano
Consider the -action on given by permuting coordinates. This paper addresses the following problem: compute as …