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CIAC
2006
Springer
111views Algorithms» more  CIAC 2006»
13 years 10 months ago
Fixed-Parameter Tractability Results for Feedback Set Problems in Tournaments
Complementing recent progress on classical complexity and polynomial-time approximability of feedback set problems in (bipartite) tournaments, we extend and partially improve fixed...
Michael Dom, Jiong Guo, Falk Hüffner, Rolf Ni...
ALT
2009
Springer
14 years 3 months ago
Error-Correcting Tournaments
We present a family of adaptive pairwise tournaments that are provably robust against large error fractions when used to determine the largest element in a set. The tournaments use...
Alina Beygelzimer, John Langford, Pradeep Ravikuma...
DAM
2006
118views more  DAM 2006»
13 years 6 months ago
Maximizing breaks and bounding solutions to the mirrored traveling tournament problem
We investigate the relation between two aspects of round robin tournament scheduling problems: breaks and distances. The distance minimization problem and the breaks maximization ...
Sebastián Urrutia, Celso C. Ribeiro
TAMC
2009
Springer
14 years 24 days ago
Linear Programming Based Approximation Algorithms for Feedback Set Problems in Bipartite Tournaments
We consider the feedback vertex set and feedback arc set problems in bipartite tournaments. We improve on recent results by giving a 2-approximation algorithm for the feedback vert...
Anke van Zuylen
MFCS
2007
Springer
14 years 12 days ago
Hardness Results for Tournament Isomorphism and Automorphism
A tournament is a graph in which each pair of distinct vertices is connected by exactly one directed edge. Tournaments are an important graph class, for which isomorphism testing ...
Fabian Wagner