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142
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STOC
2007
ACM
181views Algorithms» more  STOC 2007»
16 years 2 months ago
How to rank with few errors
We present a polynomial time approximation scheme (PTAS) for the minimum feedback arc set problem on tournaments. A simple weighted generalization gives a PTAS for KemenyYoung ran...
Claire Kenyon-Mathieu, Warren Schudy
DM
2002
91views more  DM 2002»
15 years 2 months ago
A disproof of Henning's conjecture on irredundance perfect graphs
Let ir(G) and (G) be the irredundance number and the domination number of a graph G, respectively. A graph G is called irredundance perfect if ir(H) = (H), for every induced subgr...
Lutz Volkmann, Vadim E. Zverovich
116
Voted
WDAG
2010
Springer
185views Algorithms» more  WDAG 2010»
15 years 29 days ago
Leader Election Problem versus Pattern Formation Problem
Leader election and arbitrary pattern formation are fundammental tasks for a set of autonomous mobile robots. The former consists in distinguishing a unique robot, called the lead...
Yoann Dieudonné, Franck Petit, Vincent Vill...
130
Voted
ADHOCNOW
2008
Springer
15 years 9 months ago
Approximating Minimum-Power k-Connectivity
Abstract. The Minimum-Power k-Connected Subgraph (MPkCS) problem seeks a power (range) assignment to the nodes of a given wireless network such that the resulting communication (su...
Zeev Nutov
IPPS
2010
IEEE
15 years 15 days ago
Large scale complex network analysis using the hybrid combination of a MapReduce cluster and a highly multithreaded system
Complex networks capture interactions among entities in various application areas in a graph representation. Analyzing large scale complex networks often answers important question...
Seunghwa Kang, David A. Bader