Definition 11.1 of [BW-2] states that a shedding vertex x of a simplicial complex S is a vertex such that the link and face deletion of x from S are vertex decomposable and share no common facets.
i1 : R = QQ[a..f]; |
i2 : S = simplicialComplex {a*b*c, c*d, d*e, e*f, d*f}; |
i3 : isSheddingVertex(a, S) o3 = false |
i4 : isSheddingVertex(f, S) o4 = true |