Authors
Shai Ben-David, Benny Chor, Oded Goldreich
Publication date
1989/2/1
Book
Proceedings of the twenty-first annual ACM symposium on Theory of computing
Pages
204-216
Description
This paper takes the next step in developing the theory of average case complexity initiated by Leonid A. Levin. Previous works [Levin 84, Gurevich 87, Venkatesan and Levin 88] have focused on the existence of complete problems. We widen the scope to other basic questions in computational complexity. Our results include:
- the equivalence of search and decision problems in the context of average case complexity;
- an initial analysis of the structure of distributional-NP under reductions which preserve average polynomial-time;
- a proof that if all distributional-NP is in average polynomial-time then non-deterministic exponential-time equals deterministic exponential time (i.e., a collapse in the worst case hierarchy);
- definitions and basic theorems regarding other complexity classes such as average log-space.
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Scholar articles
S Ben-David, B Chor, O Goldreich - Proceedings of the twenty-first annual ACM symposium …, 1989