Oda's conjecture for reflexive polytopes: some special cases

Fuente: arXiv
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Main Author: Tu, Binnan
Format: Preprint
Published: 2025
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author Tu, Binnan
author_facet Tu, Binnan
contents In this paper, we show that Oda's question holds for $n$-dimensional simplicial reflexive polytope $P$ and lattice polytope $Q$ containing the origin, when the vertex of $Q$ is either a vertex of $P$ or the origin, provided that $P$ has no more than $n+1$ lattice points on each facet and possesses unimodular triangulation. Then we prove Oda's question is true for any two facet unimodular polytopes whose matrix defining the facets has at most two non-zero entries in each row, and also true for any almost co-unimodular pair of reflexive polytopes.
format Preprint
id arxiv_https___arxiv_org_abs_2511_04322
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Oda's conjecture for reflexive polytopes: some special cases
Tu, Binnan
Combinatorics
52B20, 52B11, 52B12
In this paper, we show that Oda's question holds for $n$-dimensional simplicial reflexive polytope $P$ and lattice polytope $Q$ containing the origin, when the vertex of $Q$ is either a vertex of $P$ or the origin, provided that $P$ has no more than $n+1$ lattice points on each facet and possesses unimodular triangulation. Then we prove Oda's question is true for any two facet unimodular polytopes whose matrix defining the facets has at most two non-zero entries in each row, and also true for any almost co-unimodular pair of reflexive polytopes.
title Oda's conjecture for reflexive polytopes: some special cases
topic Combinatorics
52B20, 52B11, 52B12
url https://arxiv.org/abs/2511.04322