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» The Guarding Problem - Complexity and Approximation
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CPM
1997
Springer
111views Combinatorics» more  CPM 1997»
15 years 11 months ago
Approximation Algorithms for the Fixed-Topology Phylogenetic Number Problem
Mary Cryan, Leslie Ann Goldberg, Cynthia A. Philli...
ISAAC
1993
Springer
106views Algorithms» more  ISAAC 1993»
15 years 11 months ago
Faster Approximation Algorithms for the Rectilinear Steiner Tree Problem
Ulrich Fößmeier, Michael Kaufmann, Alex...
STOC
1994
ACM
97views Algorithms» more  STOC 1994»
15 years 11 months ago
An O(log k) approximation algorithm for the k minimum spanning tree problem in the plane
Givenn points in the Euclideanplane,we considerthe problemof findingthe minimumtree spanninganyk points.The problemis NP-hardand we givean O(logk)-approximationalgorithm. Key Words...
Naveen Garg, Dorit S. Hochbaum
148
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STOC
1989
ACM
66views Algorithms» more  STOC 1989»
15 years 11 months ago
The Minimum Consistent DFA Problem Cannot Be Approximated within any Polynomial
Leonard Pitt, Manfred K. Warmuth