open covering

open covering

[′ō·pən ′kəv·ər·iŋ]
(mathematics)
For a set S in a topological space, a collection of open sets whose union contains S.
References in periodicals archive ?
i]) form an open covering of D, and because D is compact, there are finitely many [[mu].
member of] ([mu]), [mu] [member of] D form an open covering of D.
For our panels, we use acoustically open covering layers.
Let U = {Ui/i G I} be (i, j) semi open covering of X.
i]/i [member of] I} be and (j, i) semi open coverings of X.
The car had contained cans of green and white paint and they burst open covering the inside of the car, and Hassall himself was covered from head to toe in paint.
we may think of [OMEGA] as an open covering of its parts [[OMEGA].