Door space
From Encyclopedia of Mathematics
A topological space in which every subset is either open or closed.
How to Cite This Entry:
Door space. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Door_space&oldid=39776
Door space. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Door_space&oldid=39776
This article was adapted from an original article by A.A. Mal'tsev (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article