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Games, covering properties and Eberlein compacts - MaRDI portal

Games, covering properties and Eberlein compacts (Q1083060)

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scientific article; zbMATH DE number 3975849
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Games, covering properties and Eberlein compacts
scientific article; zbMATH DE number 3975849

    Statements

    Games, covering properties and Eberlein compacts (English)
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    1986
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    The following topological game is studied on a locally compact space X: at the nth move, Player K chooses a compact set \(K_ n\subset X\), and Player P chooses a point \(p_ n\not\in \{K_ i:\) \(i\leq n\}\). Player K wins the play if \(\{p_ n:\) \(n<\omega \}\) has no limit point in X. It is shown that X is metacompact (resp. \(\sigma\)-metacompact) iff Player K has a stationary (resp. Markov) winning strategy in the game. From this statement follows a game-theoretic characterization of Eberlein compacta. If Player P is allowed to choose compact sets instead od points, then Player K has a winning strategy iff X is paracompact.
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    metacompact space
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    \(\sigma \)-metacompact space
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    topological game
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    locally compact space
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    Eberlein compacta
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    winning strategy
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