Every locally connected functionally Hausdorff space is \(c\)-resolvable (Q2253722)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Every locally connected functionally Hausdorff space is \(c\)-resolvable |
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Every locally connected functionally Hausdorff space is \(c\)-resolvable (English)
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12 February 2015
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All spaces are assumed \(T_1\). For a cardinal \(\kappa\), a space \(X\) is \(\kappa\)-resolvable if it contains \(\kappa\) mutually disjoint dense subsets and \(\kappa\)-retodic if it may be partitioned by a family \(\{D_\xi\}_{\xi\in\kappa}\) of dense subsets such that \(X\setminus D_\xi\) is totally disconnected for each \(\xi\). Suppose that \(X\) is locally connected and for each connected open set \(U\subset X\) there is a \(\kappa\)-retodic space \(Y_U\) and a non-constant map \(f:U\to Y_U\): then \(X\) is \(\kappa\)-resolvable. In particular functionally Hausdorff, locally connected spaces are \(\mathfrak c\)-resolvable.
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resolvable
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irresolvable
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locally connected
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connected
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Urysohn
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Hausdorff
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functionally Hausdorff
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