Dridi, Lobna; Lazaar, Sami; Turki, Tarek(Universitat Politècnica de València, 2013-04-01)
[EN] Submaximal spaces and door spaces play an enigmatic role in topology. In this paper, reinforcing this role, we are concerned with reaching two main goals:
The first one is to characterize topological spaces X such ...
[EN] Following Van Douwen, a topological space is said to be nodec if it
satisfies one of the following equivalent conditions:
(i) every nowhere dense subset of X, is closed;
(ii) every nowhere dense subset of X, is ...