| 摘要: |
| 证明了给定任何非零的递归可枚举图灵度 a存在递归可枚举图灵度 c
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| 关键词: 图灵度 递归可枚举度 极小对 |
| DOI: |
| 分类号: |
| 基金项目:Project is supported by the National Natural Science Foundation of China under Grant No.19971090(国家自然科学基金). |
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| There Is No Minimal r.e. Degree in Every Nonzero [a]∈ R/M |
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ZHANG Zai yue,SUI Yue fei
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| Abstract: |
| It is proved that given any nonrecursive r.e. degree a, there exist r.e. degrees c
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| Key words: Turing degree recursively enumerable set minimal pair4 |