منابع مشابه
Search for Three forged Coins
We give a simple and efficient sequential weighing algorithm to search for three forged coins, with an asymptotic rate of 0.57, which is better than that (0.46) of the known static algorithm given by Lindström. Then we construct from the weighing algorithm an zero-error code for the three-user Multiple Access Adder Channel with feedback with rate 0.57.
متن کامل0 Search for Three forged Coins
We give a simple and efficient sequential weighing algorithm to search for three forged coins, with an asymptotic rate of 0.57, which is better than that (0.46) of the known static algorithm given by Lindström. Then we construct from the weighing algorithm an zero-error code for the three-user Multiple Access Adder Channel with feedback with rate 0.57.
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Private Coins versus Public Coins in Zero-Knowledge Proof Systems
Goldreich-Krawczyk (Siam J of Comp’96) showed that only languages in BPP have constant-round public-coin black-box zero-knowledge protocols. We extend their lower bound to “fully black-box” privatecoin protocols based on one-way functions. More precisely, we show that only languages in BPP—where Sam is a “collision-finding” oracle in analogy with Simon (Eurocrypt’98) and Haitner et. al (FOCS’07...
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ژورنال
عنوان ژورنال: Journal of Fluid Mechanics
سال: 2013
ISSN: 0022-1120,1469-7645
DOI: 10.1017/jfm.2013.55