Index of volumes 71-80 (1997-1999)
(1999)
Colloquium Mathematicae
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Displaying similar documents to “Tightness and π-character in centered spaces”
Index of volumes 71-80 (1997-1999)
Generalized dyadic spaces
Murray Bell (1985)
Fundamenta Mathematicae
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Cardinal functions on compact F-spaces and on weakly countably complete Boolean algebras
Eric van Douwen (1981)
Fundamenta Mathematicae
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On the absoluteness of openly-generated and Dugundji spaces
Ingo Bandlow (1992)
Acta Universitatis Carolinae. Mathematica et Physica
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A characterization of Corson-compact spaces
Ingo Bandlow (1991)
Commentationes Mathematicae Universitatis Carolinae
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We characterize Corson-compact spaces by means of countable elementary substructures.
On the combinatorial principle P(c)
Murray Bell (1981)
Fundamenta Mathematicae
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Is the product of ccc spaces a ccc space?
Nina M. Roy (1989)
Publicacions Matemàtiques
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In this expository paper it is shown that Martin's Axiom and the negation of the Continuum Hypothesis imply that the product of ccc spaces is a ccc space. The Continuum Hypothesis is then used to construct the Laver-Gavin example of two ccc spaces whose product is not a ccc space.