منابع مشابه
Extraresolvability of balleans
A ballean is a set endowed with some family of balls in such a way that a ballean can be considered as an asymptotic counterpart of a uniform topological space. We introduce and study a new cardinal invariant of a ballean, the extraresolvability, which is an asymptotic reflection of the corresponding invariant of a topological space.
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ژورنال
عنوان ژورنال: Applied General Topology
سال: 2013
ISSN: 1989-4147,1576-9402
DOI: 10.4995/agt.2010.1710