The Global Power of Additional Queries to Random Oracles

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Date
1993-02-09
Authors
Lutz, Jack
Martin, David
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Computer Science
Abstract

It is shown that, for every k>0 and every fixed algorithmically random language B, there is a language that is polynomial-time, truth-table reducible in k+1 queries to B but not truth-table reducible in k queries in *any* amount of time to *any* algorithmically random language C. In aprticular, this yields the separation P (RAND) is a proper subset of P (RAND), k-tt (k+1)-tt where RAND is the set of all algorithmically random languages.

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