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JAL
2000
82views more  JAL 2000»
13 years 5 months ago
New Upper Bounds for Maximum Satisfiability
The (unweighted) Maximum Satisfiability problem (MaxSat) is: given a boolean formula in conjunctive normal form, find a truth assignment that satisfies the most number of clauses....
Rolf Niedermeier, Peter Rossmanith
JAL
2000
119views more  JAL 2000»
13 years 5 months ago
On Markov Chains for Independent Sets
Random independent sets in graphs arise, for example, in statistical physics, in the hard-core model of a gas. In 1997, Luby and Vigoda described a rapidly mixing Markov chain for...
Martin E. Dyer, Catherine S. Greenhill
JAL
2002
113views more  JAL 2002»
13 years 4 months ago
A multivariate view of random bucket digital search trees
We take a multivariate view of digital search trees by studying the number of nodes of different types that may coexist in a bucket digital search tree as it grows under an arbitr...
Friedrich Hubalek, Hsien-Kuei Hwang, William Lew, ...