A Sequence of Cohen–Macaulay Standard Graded Domains Whose h-Vectors Have Exponentially Deep Flaws

Abstract

Let K be a field. In this paper, we construct a sequence of Cohen–Macaulay standard graded K-domains whose h-vectors are non-flawless and have exponentially deep flaws.

Keywords

• flawless O-sequence
• stable-set polytope
• t-perfect
• Ehrhart ring