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CORR
2010
Springer
97views Education» more  CORR 2010»
13 years 5 months ago
Bin Packing via Discrepancy of Permutations
A well studied special case of bin packing is the 3-partition problem, where n items of size > 1 4 have to be packed in a minimum number of bins of capacity one. The famous Kar...
Friedrich Eisenbrand, Dömötör P&aac...
ICALP
2011
Springer
12 years 8 months ago
Improved Approximation for the Directed Spanner Problem
We present an O( √ n log n)-approximation algorithm for the problem of finding the sparsest spanner of a given directed graph G on n vertices. A spanner of a graph is a sparse ...
Piotr Berman, Arnab Bhattacharyya, Konstantin Maka...
SODA
2000
ACM
122views Algorithms» more  SODA 2000»
13 years 6 months ago
Cooperative facility location games
The location of facilities in order to provide service for customers is a well-studied problem in the operations research literature. In the basic model, there is a predefined cos...
Michel X. Goemans, Martin Skutella