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Timeline for How can one characterize NP^SAT?

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Jan 5, 2016 at 14:24 comment added mak NP^NP actually is in the complexity zoo under its alternative name Sigma_2^p: complexityzoo.uwaterloo.ca/Complexity_Zoo:S#sigma2p There are some complete problems given there.
Oct 23, 2009 at 15:24 comment added sdcvvc See also: en.wikipedia.org/wiki/Polynomial_hierarchy
Oct 23, 2009 at 8:35 history answered subshift CC BY-SA 2.5