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» Redundancy in Random SAT Formulas
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AAAI
2000
13 years 6 months ago
Redundancy in Random SAT Formulas
The random k-SAT model is extensively used to compare satisfiability algorithms or to find the best settings for the parameters of some algorithm. Conclusions are derived from the...
Yacine Boufkhad, Olivier Roussel
ISAAC
2004
Springer
107views Algorithms» more  ISAAC 2004»
13 years 10 months ago
On the Hardness and Easiness of Random 4-SAT Formulas
Assuming 3-SAT formulas are hard to refute with high probability, Feige showed approximation hardness results, among others for the max bipartite clique. We extend this result in t...
Andreas Goerdt, André Lanka
SAT
2010
Springer
152views Hardware» more  SAT 2010»
13 years 3 months ago
Simple but Hard Mixed Horn Formulas
Abstract. We study simple classes of mixed Horn formulas, in which the structure of the Horn part is drastically constrained. We show that the SAT problem for formulas in these cla...
Gayathri Namasivayam, Miroslaw Truszczynski
ICTAI
2008
IEEE
13 years 11 months ago
Let the Solver Deal with Redundancy
Handling redundancy in propositional reasoning and search is an active path of theoretical research. For instance, the complexity of some redundancy-related problems for CNF formu...
Cédric Piette
IJCAI
2001
13 years 6 months ago
A backbone-search heuristic for efficient solving of hard 3-SAT formulae
Of late, new insight into the study of random -SAT
Olivier Dubois, Gilles Dequen