IPL
2010
13 years 3 months ago
2010
An alphabetic binary tree formulation applies to problems in which an outcome needs to be determined via alphabetically ordered search prior to the termination of some window of o...
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SIAMCOMP
1998
13 years 4 months ago
1998
We build on the classical greedy sequential set cover algorithm, in the spirit of the primal-dual schema, to obtain simple parallel approximation algorithms for the set cover probl...
ORL
1998
13 years 4 months ago
1998
Recently, Becker and Geiger and Bafna, Berman and Fujito gave 2-approximation algorithms for the feedback vertex set problem in undirected graphs. We show how their algorithms can...
DAM
1999
13 years 4 months ago
1999
The Stacker-Crane Problem (SCP) isa sequencing problem, arising inscheduling and transportation, that consists of nding the minimum cost cycle on a mixed graph with oriented arcs ...
IPL
1998
13 years 4 months ago
1998
The k-MST problem requires finding that subset of at least k vertices of a given graph whose Minimum Spanning Tree has least weight amongst all subsets of at least k vertices. Th...
IPL
2002
13 years 4 months ago
2002
The area of approximation algorithms for the Steiner tree problem in graphs has seen continuous progress over the last years. Currently the best approximation
ALGORITHMICA
1999
13 years 4 months ago
1999
In this paper, we consider the following question: what is the maximum number of entries that can be added to a partially lled latin square? The decision version of this question ...
MOR
2000
13 years 4 months ago
2000
Given a network and a set of connection requests on it, we consider the maximum edge-disjoint paths and related generalizations and routing problems that arise in assigning paths f...
CORR
2002
Springer
13 years 4 months ago
2002
Springer
In this paper we study approximation algorithms for solving a general covering integer program. An