Jumps of Minimal Degrees Below <b>0</b>
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Downey, Rodney G.; Lempp, Steffen; Shore, Richard A.

doi:10.1112/jlms/54.3.417

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Jumps of Minimal Degrees Below 0 ′

Abstract: Abstract. We show that there is a degree a REA in and low over 0 such that no minimal degree below 0 jumps to a degree above a. We also show that every nonlow r.e. degree bounds a nonlow minimal degree.Introduction.

Cited by 2 publications

References 10 publications

Local Degree Theory* *Preparation of this paper partially supported by E.P.S.R.C. research grants nos. GR/H91213 and GR/H02165, and by EC Human Capital and Mobility network ‘Complexity, Logic and Recursion Theory’.

Local Degree Theory* *Preparation of this paper partially supported by E.P.S.R.C. research grants nos. GR/H91213 and GR/H02165, and by EC Human Capital and Mobility network ‘Complexity, Logic and Recursion Theory’.

S. Barry Cooper (1943–2015)

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