Chain Polytopes and Algebras with Straightening Laws
Author(s)Hibi, Takayuki; Li, Nan
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It will be shown that the toric ring of the chain polytope of a finite partially ordered set is an algebra with straightening laws on a finite distributive lattice. Thus, in particular, every chain polytope possesses a regular unimodular triangulation arising from a flag complex.
DepartmentMassachusetts Institute of Technology. Department of Mathematics
Acta Mathematica Vietnamica
Hibi, Takayuki, and Nan Li. “Chain Polytopes and Algebras with Straightening Laws.” Acta Mathematica Vietnamica 40.3 (2015): 447–452.
Author's final manuscript