nLab
nowhere dense set

Nowhere dense sets

Nowhere dense sets

Definition

A subset AXA\subseteq X of a topological space XX is called nowhere dense (alias rare) if the interior of its closure is empty:

Int(Cl(A))=. Int(Cl(A)) = \emptyset .

Last revised on June 5, 2019 at 15:59:23. See the history of this page for a list of all contributions to it.