Journal of the ACM (JACM)
Greedy local improvement and weighted set packing approximation
Journal of Algorithms
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
An efficient parameterized algorithm for m-set packing
Journal of Algorithms
Exact algorithms and applications for Tree-like Weighted Set Cover
Journal of Discrete Algorithms
Improved algorithms for path, matching, and packing problems
SODA '07 Proceedings of the eighteenth annual ACM-SIAM symposium on Discrete algorithms
Improved Parameterized Algorithms for Weighted 3-Set Packing
COCOON '08 Proceedings of the 14th annual international conference on Computing and Combinatorics
An O*(3.523k) parameterized algorithm for 3-set packing
TAMC'08 Proceedings of the 5th international conference on Theory and applications of models of computation
Finding k disjoint triangles in an arbitrary graph
WG'04 Proceedings of the 30th international conference on Graph-Theoretic Concepts in Computer Science
Greedy localization and color-coding: improved matching and packing algorithms
IWPEC'06 Proceedings of the Second international conference on Parameterized and Exact Computation
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The weighted m-d matching and m-set packing problems (m=3) are usually solved through approximation algorithms. In this paper, we define the parameterized versions of these problems and study their algorithms. For the weighted m-set packing problem, we develop a parameterized algorithm of running time O(12.8^m^kn^O^(^1^)), which is based on the recently improved color-coding technology and dynamic programming. By refining the techniques, we also develop a more efficient parameterized algorithm of running time O(12.8^(^m^-^1^)^kn^O^(^1^)) for the weighted m-d matching problem, which is a restricted version of the weighted m-set packing problem.