Geodesic
Splitting Properties of Total Enumeration Degrees
Algebra i logika, Tome 42 (2003) no. 1, pp. 3-25

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We describe general conditions under which relative splittings and specified diamond embeddings are derivable in the local structure of enumeration degrees (e-degrees). In so doing, we touch upon three basic issues: the possibility for studying properties of Turing degrees via enumeration reducibility; general definability problems and the role of splitting and non-splitting; and (emerging from the techniques developed) the description of new relationships between information content and degree theoretic structure.
Keywords: enumeration degrees, Turing degrees, splitting of degrees. 
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     author = {M. M. Arslanov and I. Sh. Kalimullin and S. B. Cooper},
     title = {Splitting {Properties} of {Total} {Enumeration} {Degrees}},
     journal = {Algebra i logika},
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     number = {1},
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     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2003_42_1_a0/}
}
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M. M. Arslanov; I. Sh. Kalimullin; S. B. Cooper. Splitting Properties of Total Enumeration Degrees. Algebra i logika, Tome 42 (2003) no. 1, pp. 3-25. http://geodesic.mathdoc.fr/item/AL_2003_42_1_a0/