๐”– Bobbio Scriptorium
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Infima of d.r.e. degrees

โœ Scribed by Jiang Liu; Shenling Wang; Guohua Wu


Publisher
Springer
Year
2009
Tongue
English
Weight
207 KB
Volume
49
Category
Article
ISSN
0933-5846

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๐Ÿ“œ SIMILAR VOLUMES


Degrees of d. c. e. reals
โœ Rod Downey; Guohua Wu; Xizhong Zheng ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 149 KB

## Abstract A real __ฮฑ__ is called a c. e. real if it is the halting probability of a prefix free Turing machine. Equivalently, __ฮฑ__ is c. e. if it is left computable in the sense that __L__(__ฮฑ__) = {__q__ โˆˆ โ„š : __q__ โ‰ค __ฮฑ__} is a computably enumerable set. The natural field formed by the c. e.