Type B c-Birkhoff polytopes are order polytopes

Esther Banaian; Sunita Chepuri; Emily Gunawan; Jianping Pan

Type B c-Birkhoff polytopes are order polytopes

Combinatorics 2026-07-01 v1

Authors: Esther Banaian , Sunita Chepuri , Emily Gunawan , Jianping Pan

Abstract

In a previous work, we defined (type A) c-Birkhoff polytopes and showed that they were unimodularly equivalent to order polytopes of heap posets. In this note we answer the question: What about type B?

Cite

@article{arxiv.2607.00646,
  title  = {Type B c-Birkhoff polytopes are order polytopes},
  author = {Esther Banaian and Sunita Chepuri and Emily Gunawan and Jianping Pan},
  journal= {arXiv preprint arXiv:2607.00646},
  year   = {2026}
}

Comments

15 pages, 2 figures. Comments are welcome!