- separated quasimetric
- мат.разделённая квазиметрика
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Sierpiński space — In mathematics, Sierpiński space (or the connected two point set) is a finite topological space with two points, only one of which is closed.It is the smallest example of a topological space which is neither trivial nor discrete. It is named… … Wikipedia