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IEEE Xplore

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由 R Beigel 著作1994被引用 26 次 — Downward separation fails catastrophically for limited nondeterminism classes ; Article #: ; Date of Conference: 28 June 1994 - 01 July 1994 ; Date Added to IEEE ...

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ResearchGate

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The possibility of downward separation within this hierarchy was invented by Beigel and Goldsmith [3] , who proved that using relativizing proof techniques one ...

Downward Separation Fails Catastrophically for Limited ...

SIAM Publications Library

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SIAM Publications Library

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由 R Beigel 著作1998被引用 26 次 — We provide an unqualified downward collapse result completely within the polynomial hierarchy. In particular, we prove that, for k > 2, if ${\rm P}^{\Sigma^p_k[ ...

Downward Separation Fails Catastrophically for Limited ...

SIAM Publications Library

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SIAM Publications Library

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Abstract. The β hierarchy consists of classes βk = NP[logk n] ⊆ NP. Unlike collapses in the polynomial hierarchy and the Boolean hierarchy, collapses in ...

Downward Separation Fails Catastrophically for Limited ...

Temple University

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Temple University

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Title: Downward Separation Fails Catastrophically for Limited Nondeterminism Classes. Authors: Richard Beigel and Judy Goldsmith.

Downward separation fails catastrophically for limited ...

IEEE Computer Society

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IEEE Computer Society

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由 R Beigel 著作1994被引用 26 次 — These results hold for more general nondeterminism hierarchies within NP, although they are in sharp contrast to the upward collapse results for Buss and ...

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Semantic Scholar

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Downward separation fails catastrophically for limited nondeterminism classes · R. Beigel, J. Goldsmith · Published in Proceedings of IEEE 9th… 28 June 1994 ...

Downward separation fails catastrophically for limited ...

Academia.edu

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Academia.edu

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Downward separation fails catastrophically for limited nondeterminism classes. Profile image of Judy Goldsmith Judy Goldsmith. 2002. See full PDF download ...

Downward separation fails catastrophically for limited ...

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Richard Beigel, Judy Goldsmith: Downward separation fails catastrophically for limited nondeterminism classes. SCT 1994: 134-138. manage site settings.