A note on sparse sets and the polynomial-time hierarchy

Book, Ronald V.; Tang, Shouwen

doi:10.1016/0020-0190(89)90193-2

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Lowness and Sets With Small Information Content1

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1993

1996

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Cited by 4 publications

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“…Long [Lo85] showed that for every i ≥ 2, if S is a sparse set in Σ P i , then NP(S) is included in ∆ P i+1 ; this has been extended to show that Σ P i (S) is included in ∆ P i+1 [BT89]. These facts suggest that one might extend the notions of highness and lowness to sets outside of NP.…”

Section: Lowness and Sets With Small Information Contentmentioning

confidence: 96%