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103
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FOCS
2010
IEEE
14 years 10 months ago
Minimum-Cost Network Design with (Dis)economies of Scale
Given a network, a set of demands and a cost function f(
Matthew Andrews, Spyridon Antonakopoulos, Lisa Zha...
JCO
2010
182views more  JCO 2010»
14 years 11 months ago
Polynomial time approximation schemes for minimum disk cover problems
The following planar minimum disk cover problem is considered in this paper: given a set D of n disks and a set P of m points in the Euclidean plane, where each disk covers a subse...
Chen Liao, Shiyan Hu
ESA
2005
Springer
145views Algorithms» more  ESA 2005»
15 years 6 months ago
Approximation Schemes for Minimum 2-Connected Spanning Subgraphs in Weighted Planar Graphs
Abstract. We present new approximation schemes for various classical problems of finding the minimum-weight spanning subgraph in edge-weighted undirected planar graphs that are re...
André Berger, Artur Czumaj, Michelangelo Gr...
111
Voted
INFOCOM
2009
IEEE
15 years 7 months ago
Minimum-Latency Beaconing Schedule in Multihop Wireless Networks
— Minimum-latency beaconing schedule (MLBS) in synchronous multihop wireless networks seeks a schedule for beaconing with the shortest latency. This problem is NP-hard even when ...
Peng-Jun Wan, Xiao-Hua Xu, Lixin Wang, Xiaohua Jia...
STACS
2007
Springer
15 years 7 months ago
New Approximation Algorithms for Minimum Cycle Bases of Graphs
We consider the problem of computing an approximate minimum cycle basis of an undirected non-negative edge-weighted graph G with m edges and n vertices; the extension to directed ...
Telikepalli Kavitha, Kurt Mehlhorn, Dimitrios Mich...