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Groebner Bases for Transportation Polytopes

Combinatorics 2007-05-23 v1 Commutative Algebra Algebraic Geometry

Abstract

The toric ideals of 3×33\times 3 transportation polytopes TT are quadratically generated. The only exception is the Birkhoff polytope B3B_3. If TT is not a multiple of B3B_3, these ideals even have squarefree quadratic initial ideals. This class contains all smooth 3×33 \times 3 transportation polytopes.

Cite

@article{arxiv.math/0607194,
  title  = {Groebner Bases for Transportation Polytopes},
  author = {Christian Haase and Andreas Paffenholz},
  journal= {arXiv preprint arXiv:math/0607194},
  year   = {2007}
}

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11 pages