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SIGACT
2008
71views more  SIGACT 2008»
13 years 7 months ago
PCPs with small soundness error
The soundness error of a PCP verifier is the probability (usually denoted ) that the verifier accepts an incorrect input. We are interested in the smallest possible values of for...
Irit Dinur
STOC
2009
ACM
133views Algorithms» more  STOC 2009»
14 years 8 months ago
New direct-product testers and 2-query PCPs
The "direct product code" of a function f gives its values on all k-tuples (f(x1), . . . , f(xk)). This basic construct underlies "hardness amplification" in c...
Russell Impagliazzo, Valentine Kabanets, Avi Wigde...
COCO
2010
Springer
186views Algorithms» more  COCO 2010»
13 years 10 months ago
Derandomized Parallel Repetition of Structured PCPs
A PCP is a proof system for NP in which the proof can be checked by a probabilistic verifier. The verifier is only allowed to read a very small portion of the proof, and in return ...
Irit Dinur, Or Meir
STOC
2006
ACM
108views Algorithms» more  STOC 2006»
14 years 7 months ago
Gowers uniformity, influence of variables, and PCPs
Gowers [Gow98, Gow01] introduced, for d 1, the notion of dimension-d uniformity Ud (f) of a function f : G C, where G is a finite abelian group. Roughly speaking, if a function ...
Alex Samorodnitsky, Luca Trevisan
IJON
2000
82views more  IJON 2000»
13 years 7 months ago
Auditory localization using direction-dependent spectral information
This work presents a biologically motivated neuronal model for detecting the elevation of unfamiliar natural sound sources using monoaural cues, based on head-related-transfer fun...
Daniel Gill, Lidror Troyansky, Israel Nelken