Downward density of exact degrees

DOI10.1134/S1995080215040095zbMath1382.03066OpenAlexW2297974929MaRDI QIDQ266230

Jiang Liu, M. M. Yamaleev, Guohua Wu

Publication date: 13 April 2016

Published in: Lobachevskii Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s1995080215040095

zbMATH Keywords

d.c.e. setsErhsov's hierarchyexact degreesLachlans' sets

Mathematics Subject Classification ID

Recursively (computably) enumerable sets and degrees (03D25) Other Turing degree structures (03D28) Hierarchies of computability and definability (03D55)

Related Items (4)

Elementary theories and structural properties of d-c.e. and n-c.e. degrees ⋮ Nondensity of Double Bubbles in the D.C.E. Degrees ⋮ On the problem of definability of the computably enumerable degrees in the difference hierarchy ⋮ Turing computability: structural theory

Cites Work

• Unnamed Item
• On a problem of Ishmukhametov
• On the r. e. predecessors of d. r. e. degrees
• Splitting and cone avoidance in the d.c.e. degrees
• On Downey's conjecture
• Isolation and lattice embeddings

This page was built for publication: Downward density of exact degrees