Thin polytopes: Lattice polytopes with vanishing local $h^*$-polynomial

DOI10.48550/ARXIV.2207.09323arXiv2207.09323MaRDI QIDQ161317

Author name not available (Why is that?)

Publication date: 19 July 2022

Abstract: In this paper we study the novel notion of thin polytopes: lattice polytopes whose local $h^{*}$-polynomials vanish. The local $h^{*}$-polynomial is an important invariant in modern Ehrhart theory. Its definition goes back to Stanley with fundamental results achieved by Karu, Borisov & Mavlyutov, Schepers, and Katz & Stapledon. The study of thin simplices was originally proposed by Gelfand, Kapranov and Zelevinsky, where in this case the local $h^{*}$-polynomial simply equals its so-called box polynomial. Our main results are the complete classification of thin polytopes up to dimension 3 and the characterization of thinness for Gorenstein polytopes. The paper also includes an introduction to the local $h^{*}$-polynomial with a survey of previous results.

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