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The method of the Yu–Ding Theorem and its application

Published online by Cambridge University Press:  01 February 2009

YUN FAN
YUN FAN*
Affiliation:
Department of Mathematics, Nanjing University, China and Department of Mathematics, Southeast University, China Email: [email protected]
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Abstract

We begin by reviewing the major results dealing with the structure of the cl-degrees, and then focus on the method of the Yu–Ding Theorem, which is an important result in this area. By strengthening the Yu–Ding procedure, we construct a cl-cuppable cl-degree of c.e. sets.

Type
Paper
Information
Mathematical Structures in Computer Science , Volume 19 , Special Issue 1: Theory and Applications of Models of Computation (TAMC) , February 2009 , pp. 207 - 215
Copyright
Copyright © Cambridge University Press 2009

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