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Displaying 1 – 4 of 4

$δ$ -complétion et $G_{δ}$ -densité

A. Deaibes, R. Pupier (1972)

Publications du Département de mathématiques (Lyon)

$Σ_{s}$ -products revisited

Reynaldo Rojas-Hernández (2015)

Commentationes Mathematicae Universitatis Carolinae

We show that any $Σ_{s}$ -product of at most $𝔠$ -many $L Σ (\leq ω)$ -spaces has the $L Σ (\leq ω)$ -property. This result generalizes some known results about $L Σ (\leq ω)$ -spaces. On the other hand, we prove that every $Σ_{s}$ -product of monotonically monolithic spaces is monotonically monolithic, and in a similar form, we show that every $Σ_{s}$ -product of Collins-Roscoe spaces has the Collins-Roscoe property. These results generalize some known results about the Collins-Roscoe spaces and answer some questions due to Tkachuk [Lifting the Collins-Roscoe...

Аппроксимационные ретракты для класса бикомпактных пространств

В.А. Калинин (1975)

Sibirskij matematiceskij zurnal

О некоторых рекуррентных соотношениях в конечных топологиях

В.И. Родионов (1982)

Zapiski naucnych seminarov Leningradskogo

Displaying 1 – 4 of 4

δ -complétion et G δ -densité

Σ s -products revisited

Аппроксимационные ретракты для класса бикомпактных пространств

О некоторых рекуррентных соотношениях в конечных топологиях

Currently displaying 1 – 4 of 4

$δ$ -complétion et $G_{δ}$ -densité

$Σ_{s}$ -products revisited