English Wikipedia - The Free Encycl...
Download this dictionary
Cover (topology)
In
mathematics
, a
cover
of a
set
is a collection of sets whose union contains
as a
subset
. Formally, if
is an
indexed family
of sets , then
is a cover of
if
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License