Upper cones as automorphism bases

zbMath0937.03051MaRDI QIDQ1975834

S. Barry Cooper

Publication date: 4 May 2000

Published in: Siberian Advances in Mathematics (Search for Journal in Brave)

zbMATH Keywords

automorphismTuring reducibilityTuring degreeupper coneautomorphism basedefinable operationlower cone

Mathematics Subject Classification ID

Automorphisms and endomorphisms of algebraic structures (08A35) Other degrees and reducibilities in computability and recursion theory (03D30) Other Turing degree structures (03D28)

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