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JAL
1998
48views more  JAL 1998»
13 years 7 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»
13 years 7 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»
13 years 7 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»
13 years 7 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»
13 years 7 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