{ "id": "2312.01417", "version": "v1", "published": "2023-12-03T14:41:43.000Z", "updated": "2023-12-03T14:41:43.000Z", "title": "Lascoux polynomials and subdivisions of Gelfand-Zetlin polytopes", "authors": [ "Ekaterina Presnova", "Evgeny Smirnov" ], "comment": "21 pages, color pictures", "categories": [ "math.CO", "math.RT" ], "abstract": "We give a new combinatorial description for stable Grothendieck polynomials in terms of subdivisions of Gelfand-Zetlin polytopes. Moreover, these subdivisions also provide a description of Lascoux polynomials. This generalizes a similar result on key polynomials by Kiritchenko, Smirnov, and Timorin.", "revisions": [ { "version": "v1", "updated": "2023-12-03T14:41:43.000Z" } ], "analyses": { "subjects": [ "05E05", "14N10", "22E47" ], "keywords": [ "gelfand-zetlin polytopes", "lascoux polynomials", "subdivisions", "similar result", "combinatorial description" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable" } } }