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ECCC
2011
203views ECommerce» more  ECCC 2011»
12 years 11 months ago
Accelerated Slide- and LLL-Reduction
Abstract. Given an LLL-basis B of dimension n = hk we accelerate slide-reduction with blocksize k to run under a reasonable assumption within 1 6 n2 h log1+ε α local SVP-computat...
Claus-Peter Schnorr
SAT
2011
Springer
263views Hardware» more  SAT 2011»
12 years 10 months ago
Failed Literal Detection for QBF
Failed literal detection (FL) in SAT is a powerful approach for preprocessing. The basic idea is to assign a variable as assumption. If boolean constraint propagation (BCP) yields ...
Florian Lonsing, Armin Biere
CP
2003
Springer
14 years 28 days ago
Unrestricted Nogood Recording in CSP Search
Recently spectacular improvements in the performance of SAT solvers have been achieved through nogood recording (clause learning). In the CSP literature, on the other hand, nogood ...
George Katsirelos, Fahiem Bacchus
FCT
1991
Springer
13 years 11 months ago
Lattice Basis Reduction: Improved Practical Algorithms and Solving Subset Sum Problems
We report on improved practical algorithms for lattice basis reduction. We propose a practical oating point version of the L3{algorithm of Lenstra, Lenstra, Lovasz (1982). We pres...
Claus-Peter Schnorr, M. Euchner
SAT
2004
Springer
89views Hardware» more  SAT 2004»
14 years 1 months ago
Using Rewarding Mechanisms for Improving Branching Heuristics
The variable branching heuristics used in the most recent and most effective SAT solvers, including zChaff and BerkMin, can be viewed as consisting of a simple mechanism for rewa...
Elsa Carvalho, João P. Marques Silva