| 题名: | principal filters definable by parameters in e-bt |
| 作者: | Li Angsheng
; Li Weilin
; Pani Yicheng
; Tang Linqing
|
| 会议名称: | 4th International Conference on Theory and Applications of Models of Computation
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| 会议日期: | MAY 22-25,
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| 出版日期: | 2009
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| 会议地点: | Shanghai, PEOPLES R CHINA
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| 出版者: | MATHEMATICAL STRUCTURES IN COMPUTER SCIENCE
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| 出版地: | 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
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| ISSN: | 0960-1295
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| 部门归属: | Li, Angsheng Chinese Acad Sci, State Key Lab Comp Sci, Beijing 100080, Peoples R China. Chinese Acad Sci, Inst Software, Beijing 100080, Peoples R China.
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| 主办者: | Fudan Univ, Software Sch, Univ Leeds, Univ Wisconsin
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| 英文摘要: | We show that there exist c.e. bounded Turing degrees a, b such that 0 < a < 0, and that for any c.e. bounded Turing degree x, we have b boolean OR x = 0 if and only if x >= a. The result gives an unexpected definability theorem in the structure of bounded Turing reducibility. |
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| 内容类型: | 会议论文
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| URI标识: | http://ir.iscas.ac.cn/handle/311060/8196
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| Appears in Collections: | 计算机科学国家重点实验室 _会议论文
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| Recommended Citation: | |
Li Angsheng,Li Weilin,Pani Yicheng,et al. principal filters definable by parameters in e-bt[C]. 见:4th International Conference on Theory and Applications of Models of Computation. Shanghai, PEOPLES R CHINA. MAY 22-25,.
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