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» Amplifying ZPP^SAT[1] and the Two Queries Problem
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COCO
2008
Springer
91views Algorithms» more  COCO 2008»
13 years 6 months ago
Amplifying ZPP^SAT[1] and the Two Queries Problem
This paper shows a complete upward collapse in the Polynomial Hierarchy (PH) if for ZPP, two queries to a SAT oracle is equivalent to one query. That is, ZPPSAT[1] = ZPPSAT [2] = ...
Richard Chang, Suresh Purini
STOC
2006
ACM
138views Algorithms» more  STOC 2006»
14 years 5 months ago
The PCP theorem by gap amplification
The PCP theorem [3, 2] says that every language in NP has a witness format that can be checked probabilistically by reading only a constant number of bits from the proof. The cele...
Irit Dinur