On the theory of - and -spaces in general topology
Dominik Noll (1989)
Czechoslovak Mathematical Journal
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Dominik Noll (1989)
Czechoslovak Mathematical Journal
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K. P. S. Bhaskara Rao, Roman Pol (1978)
Colloquium Mathematicae
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Aleksander V. Arhangel'skii (2009)
Commentationes Mathematicae Universitatis Carolinae
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It is established that a remainder of a non-locally compact topological group has the Baire property if and only if the space is not Čech-complete. We also show that if is a non-locally compact topological group of countable tightness, then either is submetrizable, or is the Čech-Stone remainder of an arbitrary remainder of . It follows that if and are non-submetrizable topological groups of countable tightness such that some remainders of and are homeomorphic, then...
Arhangel’skii, Alexander, Choban, Mitrofan, Mihaylova, Ekaterina (2012)
Union of Bulgarian Mathematicians
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Александър В. Архангелски, Митрофан М. Чобан, Екатерина П. Михайлова - В съобщението е продължено изследването на понятията o-хомогенно пространство, lo-хомогенно пространство, do-хомогенно пространство и co-хомогенно пространство. Показано е, че ако co-хомогенното пространство X съдържа Gδ -гъсто Московско подпространство, тогава X е Московско пространство. In this paper we continue the study of the notions of o-homogeneous space, lo-homogeneous space, do-homogeneous space...
Srinivasan, Jayadev (1967)
Portugaliae mathematica
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W. Kulpa, A. Szymański (1981)
Colloquium Mathematicae
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