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arxiv: 1210.4357 · v2 · pith:7EJZKMYOnew · submitted 2012-10-16 · 🧮 math.CO

Polytopal affine semigroups with holes deep inside

classification 🧮 math.CO
keywords affineeverylatticeaboveassociatedconstructdeepdistance
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Given a non-negative integer k, we construct a lattice 3-simplex P with the following property: The affine semigroup Q_P associated to P is not normal, and every element $q \in \sat{Q}_P \setminus Q_P$ has lattice distance at least k above every facet of Q_P.

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