On -regular spaces.
Kovár, Martin M. (1994)
International Journal of Mathematics and Mathematical Sciences
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Kovár, Martin M. (1994)
International Journal of Mathematics and Mathematical Sciences
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M. N. Mukherjee, Atasi Debray (1998)
Matematički Vesnik
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M. N. Mukherjee, Atasi Debray (1998)
Matematički Vesnik
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G. Reed, P. Zenor (1976)
Fundamenta Mathematicae
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Kovár, Martin M. (2000)
International Journal of Mathematics and Mathematical Sciences
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Shu Hao Sun (1989)
Commentationes Mathematicae Universitatis Carolinae
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Grinshpon, Yakov S. (2006)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 54C10, 54D15, 54G12. For given completely regular topological spaces X and Y, there is a completely regular space X ~⊗ Y such that for any completely regular space Z a mapping f : X × Y ⊗ Z is separately continuous if and only if f : X ~⊗ Y→ Z is continuous. We prove a necessary condition of normality, a sufficient condition of collectionwise normality, and a criterion of normality of the products X ~⊗ Y in the case when at least...