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dc.contributor.authorRussell, Alexanderen_US
dc.contributor.authorSundaram, Ravien_US
dc.date.accessioned2023-03-29T14:38:43Z
dc.date.available2023-03-29T14:38:43Z
dc.date.issued1995-11
dc.identifier.urihttps://hdl.handle.net/1721.1/149237
dc.description.abstractWe introduce the natural class Sp2 containing those languages which may be expressed terms of two symmetric quantifiers. This class lies between ?p2 and ? and naturally generates a "symmetric" hierarchy corresponding to the polynomial-time hierarchy. We demonstrate, using the probabilistic method, new containment theorems for BPP.en_US
dc.relation.ispartofseriesMIT-LCS-TM-520
dc.titleSymmetric Alteration Captures BPPen_US


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