Title of article
The existence of high nonbounding degrees in the difference hierarchy
Author/Authors
Chong، نويسنده , , C.T. and Li، نويسنده , , A. and Yang، نويسنده , , Y.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
21
From page
31
To page
51
Abstract
We study the jump hierarchy of d.c.e. Turing degrees and show that there exists a high d.c.e. degree d which does not bound any minimal pair of d.c.e. degrees.
Keywords
Jump classes , Ershov hierarchy , Nonbounding
Journal title
Annals of Pure and Applied Logic
Serial Year
2006
Journal title
Annals of Pure and Applied Logic
Record number
1443725
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