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dec9.pdf

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CS221: Computational Complexity Prof. Salil Vadhan Lecture 31: Multiprover Interactive Proofs and Probabilistically Checkable Proofs 12/09 Scribe: Qian Zhang Contents 1 Recap Note on hardness of approximate counting: Even though we used allowed randomized algo- rithms in our definition of α-approximation algorithm, the reductions we give to show hardness of approximate counting are not randomized. For example, if there is deterministic…

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