Torus orbit closures and 1-strip-less tableaux
Combinatorics
2024-01-23 v3 Algebraic Geometry
Abstract
We compare two formulas for the class of a generic torus orbit closure on the Grassmannian, due to Klyachko and Berget-Fink. The naturally emerging combinatorial objects are semi-standard fillings we call 1-strip-less tableaux.
Cite
@article{arxiv.2305.11289,
title = {Torus orbit closures and 1-strip-less tableaux},
author = {Carl Lian},
journal= {arXiv preprint arXiv:2305.11289},
year = {2024}
}
Comments
20 pages, revised after referee comments. Detailed appendix added (formerly lemma 6). Some details and examples added to proofs, Proposition 11 corrected