Members of thin π⁰₁ classes and generic degrees
A π⁰₁ class P is thin if every π⁰₁ subclass Q of P is the intersection of P with some clopen set. In 1993, Cenzer, Downey, Jockusch and Shore initiated the study of Turing degrees of members of thin π⁰₁ classes, and proved that degrees containing no members of thin π⁰₁ classes can be recursively enu...
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| 格式: | Article |
| 語言: | English |
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2022
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| 在線閱讀: | https://hdl.handle.net/10356/162480 |
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