Boundary point/Definition

From Citizendium
Jump to: navigation, search
This article is developing and not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
 
A definition or brief description of Boundary point.

(of a set) In geometry and topology, a point such that every neighbourhood contains both points in the set and points not in the set.