Some New Consequences of the Hypothesis That P Has Fixed Polynomial-Size Circuits

被引:3
作者
Ding, Ning [1 ,2 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Comp Sci & Engn, Shanghai 200030, Peoples R China
[2] NTT Secure Platform Labs, Tokyo, Japan
来源
THEORY AND APPLICATIONS OF MODELS OF COMPUTATION (TAMC 2015) | 2015年 / 9076卷
关键词
LOWER BOUNDS;
D O I
10.1007/978-3-319-17142-5_8
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
We present some new consequences of the hypothesis that P can be computed by fixed polynomial-size circuits since [Lipton SCTC 94]. For instance, we show that the hypothesis implies that some small circuit family and BPP machines cannot be fooled by any complexity-theoretic pseudorandom generator G : {0, 1}(Theta(log n)) to {0, 1}(n), which means the known derandomization argument of BPP = P no longer works. It also implies the existence of 2-round public-coin zero-knowledge proofs for NP.
引用
收藏
页码:75 / 86
页数:12
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