1.Previous
3.Next

underlying space : for each point , there is exactly one simplex in containing in its relative interior. This simplex is called the support of x and denoted .

Closure, star, and link

Let K be a simplicial complex and let S be a collection of simplices in K.

The closure of S (denoted ) is the smallest simplicial subcomplex of K that contains each simplex in S. is obtained by repeatedly adding to S each face of every simplex in S.

The star of

1.Previous
3.Next