Weakly Ramsey sets in Banach spaces (Q5938988)
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scientific article; zbMATH DE number 1624858
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Weakly Ramsey sets in Banach spaces |
scientific article; zbMATH DE number 1624858 |
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Weakly Ramsey sets in Banach spaces (English)
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29 July 2001
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A proof that all analytic (or open) subsets of \(B_i(X)\) are weakly Ramsey is given. Also proven, by using a form of Martin's axiom, that all continuous images of co-analytic sets are weakly Ramsey. Under Martin's axiom, there are sets that are not weakly Ramsey.
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co-analytic sets
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weakly Ramsey
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Martin's axiom
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