W. Marciszewski

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20112026

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Showing 2021 · math.GNShow all

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math.GN2021

Digging into the classes of $κ$ -Corson compact spaces

Witold Marciszewski, Grzegorz Plebanek, Krzysztof Zakrzewski

For any cardinal number $κ$ and an index set $Γ$ , $Σ_{κ}$ -product of real lines consists of elements of $R^{Γ}$ having $< κ$ nonzero coordinates. A compact space $K$ is $κ$ -Co…

math.GN2021

On two problems concerning Eberlein compacta

Witold Marciszewski

We discuss two problems concerning the class Eberlein compacta, i.e., weakly compact subspaces of Banach spaces. The first one deals with preservation of some classes of scattered…

Digging into the classes of κ-Corson compact spaces

On two problems concerning Eberlein compacta

Digging into the classes of $κ$ -Corson compact spaces