Document Type

Article

Publication Date

8-2007

Abstract

We show the following results regarding complete sets. • NP-complete sets and PSPACE-complete sets are polynomial-time many–one autoreducible.

• Complete sets of any level of PH, MODPH, or the Boolean hierarchy over NP are polynomial-time many–one autoreducible.

• EXP-complete sets are polynomial-time many–one mitotic.

• If there is a tally language in NP ∩ coNP − P , then, for every ϵ > 0 , NP-complete sets are not 2 n ( 1 + ϵ ) -immune.

These results solve several of the open questions raised by Buhrman and Torenvliet in their 1994 survey paper on the structure of complete sets.

Comments

Original published version available at https://doi.org/10.1016/j.jcss.2006.10.020

Publication Title

Journal of Computer and System Sciences

DOI

10.1016/j.jcss.2006.10.020

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