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COCO
2005
Springer
130views Algorithms» more  COCO 2005»
14 years 11 months ago
Pseudorandom Bits for Constant Depth Circuits with Few Arbitrary Symmetric Gates
We exhibit an explicitly computable ‘pseudorandom’ generator stretching l bits into m(l) = lΩ(log l) bits that look random to constant-depth circuits of size m(l) with log m...
Emanuele Viola
CRYPTO
2008
Springer
92views Cryptology» more  CRYPTO 2008»
14 years 11 months ago
Compression from Collisions, or Why CRHF Combiners Have a Long Output
A black-box combiner for collision resistant hash functions (CRHF) is a construction which given black-box access to two hash functions is collision resistant if at least one of th...
Krzysztof Pietrzak
AAAI
2006
14 years 11 months ago
Model Counting: A New Strategy for Obtaining Good Bounds
Model counting is the classical problem of computing the number of solutions of a given propositional formula. It vastly generalizes the NP-complete problem of propositional satis...
Carla P. Gomes, Ashish Sabharwal, Bart Selman
SODA
2004
ACM
102views Algorithms» more  SODA 2004»
14 years 11 months ago
The hyperring: a low-congestion deterministic data structure for distributed environments
In this paper we study the problem of designing concurrent searchable data structures with performance guarantees that can be used in a distributed environment where data elements...
Baruch Awerbuch, Christian Scheideler
SODA
2000
ACM
122views Algorithms» more  SODA 2000»
14 years 11 months ago
Cooperative facility location games
The location of facilities in order to provide service for customers is a well-studied problem in the operations research literature. In the basic model, there is a predefined cos...
Michel X. Goemans, Martin Skutella