Article ID Journal Published Year Pages File Type
5777740 Topology and its Applications 2017 4 Pages PDF
Abstract
It is shown that a subspace of a product of countably many Lašnev spaces is Pytkeev if and only if it has countable tightness. In particular, this implies a result [6] that for an ultrafilter p on ω, the space {p}∪ω cannot be embedded in any product of countably many Lašnev spaces.
Related Topics
Physical Sciences and Engineering Mathematics Geometry and Topology
Authors
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