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JAL
1998
48views more  JAL 1998»
14 years 11 months ago
The k-Steiner Ratio in the Rectilinear Plane
Al Borchers, Ding-Zhu Du, Biao Gao, Peng-Jun Wan
JAL
2002
64views more  JAL 2002»
14 years 11 months ago
Quicksort asymptotics
The number of comparisons Xn used by Quicksort to sort an array of n distinct numbers has mean
James Allen Fill, Svante Janson
JAL
2000
119views more  JAL 2000»
14 years 11 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
2000
82views more  JAL 2000»
14 years 11 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
2002
86views more  JAL 2002»
14 years 11 months ago
Exploiting structure in quantified formulas
We study the computational problem "find the value of the quantified formula obtained by quantifying the variables in a sum of terms." The "sum" can be based o...
Richard Edwin Stearns, Harry B. Hunt III