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On certain cardinal properties of the \({N}_{\tau}^{\varphi } \)-nucleus of a space \(X\). (English. Russian original) Zbl 1442.54006
J. Math. Sci., New York 245, No. 3, 411-415 (2020); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 144, 117-121 (2018).
Summary: In this paper, we examine certain cardinal properties of subspaces \({N}_{\tau}^{\varphi } X\) of the space \(NX\) of complete linked systems of a topological space \(X\).
MSC:
54A25 Cardinality properties (cardinal functions and inequalities, discrete subsets)
18B20 Categories of machines, automata
46A63 Topological invariants ((DN), (\(\Omega\)), etc.) for locally convex spaces
18A05 Definitions and generalizations in theory of categories
46E27 Spaces of measures
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References:
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