Signed puzzles for Schubert coefficients

Fuente: arXiv
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Main Authors: Pak, Igor, Robichaux, Colleen
Format: Preprint
Published: 2025
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_version_ 1866912345074171904
author Pak, Igor
Robichaux, Colleen
author_facet Pak, Igor
Robichaux, Colleen
contents We give a signed puzzle rule to compute Schubert coefficients. The rule is based on a careful analysis of Knutson's recurrence arXiv:math/0306304. We use the rule to prove polynomiality of the sums of Schubert coefficients with bounded number of inversions.
format Preprint
id arxiv_https___arxiv_org_abs_2504_17734
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Signed puzzles for Schubert coefficients
Pak, Igor
Robichaux, Colleen
Combinatorics
Primary 05E14, Secondary 05B45, 05E05, 52B20
We give a signed puzzle rule to compute Schubert coefficients. The rule is based on a careful analysis of Knutson's recurrence arXiv:math/0306304. We use the rule to prove polynomiality of the sums of Schubert coefficients with bounded number of inversions.
title Signed puzzles for Schubert coefficients
topic Combinatorics
Primary 05E14, Secondary 05B45, 05E05, 52B20
url https://arxiv.org/abs/2504.17734