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Title: On some fan-tightness type properties (English)
Author: Valuyeva, J.
Language: English
Journal: Commentationes Mathematicae Universitatis Carolinae
ISSN: 0010-2628 (print)
ISSN: 1213-7243 (online)
Volume: 39
Issue: 2
Year: 1998
Pages: 415-421
Category: math
Summary: Properties similar to countable fan-tightness are introduced and compared to countable tightness and countable fan-tightness. These properties are also investigated with respect to function spaces and certain classes of continuous mappings. (English)
Keyword: $\omega $-cover
Keyword: $vet^*(X)$
Keyword: tightness
Keyword: fan-tightness
Keyword: biquotient mapping
Keyword: $C_p(X)$
MSC: 54A25
MSC: 54C35
idZBL: Zbl 0938.54006
idMR: MR1651995
Date available: 2009-01-08T18:41:35Z
Last updated: 2012-04-30
Stable URL:
Reference: [1] Arhangelskii A.: Hurewicz spaces, analytic sets and fan tightness of function spaces.Soviet Math. Doklady 33 (1986), 396-399. MR 0119188
Reference: [2] Arhangelskii A.: Topological Function Spaces.Kluwer Academic Publishers Group, Dortrecht (1992). MR 1144519
Reference: [3] Arhangelskii A., Bella A.: Countable tightness versus countable fan-tightness.Comment. Math. Univ. Carolinae 37.3 (1996), 565-576. MR 1426921
Reference: [4] Engelking R.: General Topology.Heldermann Verlag, Berlin (1989). Zbl 0684.54001, MR 1039321
Reference: [5] Sakai M.: Property $C''$ and function spaces.Proc. Amer. Math. Soc. 104 (1988), 917-919. Zbl 0691.54007, MR 0964873
Reference: [6] Uspenskii V.V.: Frequency spectrum of functional spaces.Moscow Univ. Math. Bulletin 37 (1) (1982), 40-45.


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