| U. Schoning. Complexity and Structure. Lecture Notes in Computer Science #211. Springer-Verlag, 1986. |
.... which they called d BP Delta in which the error probability is required to be very small: A 2 d BP DeltaC = 8p; 9B 2 C; Prob z [ x 2 A ( x; z) 2 B ] 1 Gamma 2 Gammap(n) We know that if the class C is closed under majority reductions, then all of the reductions above are equivalent [Sch86] However, for classes not known to be closed under majority reductions, it makes sense to consider d BP Delta operations separately. In their paper, Toda and Ogiwara showed that PH d BP DeltaK where K is any of the counting classes: PP, Phi P, C =P, or MOD g P. Moreover, they use a ....
U. Schoning. Complexity and Structure. Lecture Notes in Computer Science #211. Springer-Verlag, 1986.
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