2010
DOI: 10.1016/j.ipl.2010.04.020
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An improved kernelization algorithm for r-Set Packing

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Cited by 54 publications
(84 citation statements)
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“…Recall that a parameterized problem is fixed-parameter tractable (FPT) with a given parameterization if there is an algorithm with running time f (k) · n O (1) , where n is the size of the instance, k is the value of the parameter associated with the instance, and f is an arbitrary computable function depending only on the parameter k (see the monographs [44,50,87] or the survey [41] in this volume for more background). That is, the problem can be solved in polynomial time for every fixed value of the parameter k and the exponent does not depend on the parameter.…”
Section: The Optimality Programmentioning
confidence: 99%
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“…Recall that a parameterized problem is fixed-parameter tractable (FPT) with a given parameterization if there is an algorithm with running time f (k) · n O (1) , where n is the size of the instance, k is the value of the parameter associated with the instance, and f is an arbitrary computable function depending only on the parameter k (see the monographs [44,50,87] or the survey [41] in this volume for more background). That is, the problem can be solved in polynomial time for every fixed value of the parameter k and the exponent does not depend on the parameter.…”
Section: The Optimality Programmentioning
confidence: 99%
“…We sketch how such lower bounds can be proved using a complexitytheoretic assumption called Exponential Time Hypothesis (ETH). (An alternate way to discuss these results is via the complexity class M [1] and for some of the results even the weaker FPT = W [1] hypothesis is sufficient. However, to keep our discussion focused, we describe only results based on ETH here.)…”
Section: The Optimality Programmentioning
confidence: 99%
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“…1 In this problem, the input consists of a universe U , a family F containing sets of size at most d over U , and in integer k. The objective is to determine whether there exists a set S ⊆ U of size at most k that intersects every set in F. Abu-Khzam [2] gave an improved kernel for d-Hitting Set, still with O(k d ) sets, but with O(k d−1 ) elements. The importance of the d-Hitting Set problem stems from the number of other problems that can be re-cast in terms of it.…”
Section: Introductionmentioning
confidence: 99%
“…• CVD admits a kernel with O(k The Sunflower Lemma based kernel for d-Hitting Set and the improvement of Abu-Khzam [2] can also be applied to the d-Set Packing problem [1]. Here, the input consists of a universe U and a family F of sets of size d over U , together with an integer k. The task is to determine whether there exists a subfamily F of k pairwise disjoint sets.…”
Section: Introductionmentioning
confidence: 99%