English

Extendable shellability for $d$-dimensional complexes on $d+3$ vertices

Combinatorics 2021-02-25 v2 Commutative Algebra Geometric Topology

Abstract

We prove that for all d1d \geq 1 a shellable dd-dimensional simplicial complex with at most d+3d+3 vertices is extendably shellable. The proof involves considering the structure of `exposed' edges in chordal graphs as well as a connection to linear quotients of quadratic monomial ideals.

Keywords

Cite

@article{arxiv.1908.07155,
  title  = {Extendable shellability for $d$-dimensional complexes on $d+3$ vertices},
  author = {Jared Culbertson and Anton Dochtermann and Dan P. Guralnik and Peter F. Stiller},
  journal= {arXiv preprint arXiv:1908.07155},
  year   = {2021}
}

Comments

6 pages; V2: corrections and minor revisions, incorporating comments from referees