Strongly determined types and G-compactness
A. A. Ivanov (2006)
Fundamenta Mathematicae
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We study connections between G-compactness and existence of strongly determined types.
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A. A. Ivanov (2006)
Fundamenta Mathematicae
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We study connections between G-compactness and existence of strongly determined types.
A. Lelek (1977)
Colloquium Mathematicae
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Rabtsevich, V.A. (1997)
Memoirs on Differential Equations and Mathematical Physics
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Yan-Kui Song (2015)
Open Mathematics
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A space X is absolutely strongly star-Hurewicz if for each sequence (Un :n ∈ℕ/ of open covers of X and each dense subset D of X, there exists a sequence (Fn :n ∈ℕ/ of finite subsets of D such that for each x ∈X, x ∈St(Fn; Un) for all but finitely many n. In this paper, we investigate the relationships between absolutely strongly star-Hurewicz spaces and related spaces, and also study topological properties of absolutely strongly star-Hurewicz spaces.
Yan-Kui Song (2013)
Commentationes Mathematicae Universitatis Carolinae
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A space is strongly star-Menger if for each sequence of open covers of , there exists a sequence of finite subsets of such that is an open cover of . In this paper, we investigate the relationship between strongly star-Menger spaces and related spaces, and also study topological properties of strongly star-Menger spaces.
S. Dutta, Darapaneni Narayana (2007)
Colloquium Mathematicae
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We characterize strongly proximinal subspaces of finite codimension in C(K) spaces. We give two applications of our results. First, we show that the metric projection on a strongly proximinal subspace of finite codimension in C(K) is Hausdorff metric continuous. Second, strong proximinality is a transitive relation for finite-codimensional subspaces of C(K).
Ruju Zhao, Hua Yao, Junchao Wei (2020)
Czechoslovak Mathematical Journal
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We give some sufficient and necessary conditions for an element in a ring to be an EP element, partial isometry, normal EP element and strongly EP element by using solutions of certain equations.
P. Papić (1983)
Matematički Vesnik
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Dušan Milovančević (1985)
Publications de l'Institut Mathématique
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Lipieta, Agnieska (2006)
Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica
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Hans Schoutens (1994)
Compositio Mathematica
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C. C. Travis, G. F. Webb (1981)
Colloquium Mathematicae
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