Gorenstein properties and integer decomposition properties of lecture hall polytopes

Abstract

Though much is known about $\mathbf{s}$-lecture hall polytopes, there are still many unanswered questions. In this paper, we show that $\mathbf{s}$-lecture hall polytopes satisfy the integer decomposition property (IDP) in the case of monotonic $\mathbf{s}$-sequences. Given restrictions on a monotonic $\mathbf{s}$-sequence, we discuss necessary and sufficient conditions for the Fano, reflexive and Gorenstein properties. Additionally, we give a construction for producing Gorenstein/IDP lecture hall polytopes.

arXiv comment14 pages; Two references added; partially rewritten introduction and concluding remarks sections

References in corpus (2)

• Existence of unimodular triangulations - positive results
• Generating functions and triangulations for lecture hall cones

Cited by in corpus (1)

• Level algebras and $\mathbf{s}$-lecture hall polytopes