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» Algorithms for two-box covering
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APPROX
2000
Springer
190views Algorithms» more  APPROX 2000»
15 years 5 months ago
Approximating node connectivity problems via set covers
Given a graph (directed or undirected) with costs on the edges, and an integer k, we consider the problem of nding a k-node connected spanning subgraph of minimum cost. For the ge...
Guy Kortsarz, Zeev Nutov
SODA
2003
ACM
126views Algorithms» more  SODA 2003»
15 years 2 months ago
The cover time of sparse random graphs
We study the cover time of a random walk on graphs G ∈ Gn,p when p = c log n
Colin Cooper, Alan M. Frieze
STACS
2005
Springer
15 years 6 months ago
Cycle Cover with Short Cycles
Cycle covering is a well-studied problem in computer science. In this paper, we develop approximation algorithms for variants of cycle covering problems which bound the size and/o...
Nicole Immorlica, Mohammad Mahdian, Vahab S. Mirro...
APPROX
2007
Springer
141views Algorithms» more  APPROX 2007»
15 years 7 months ago
The Cover Time of Random Digraphs
We study the cover time of a random walk on the random digraph Dn,p when np =
Colin Cooper, Alan M. Frieze