A note on submodular set cover on matroids

被引:5
|
作者
Gargano, Luisa [1 ]
Hammar, Mikael [2 ]
机构
[1] Univ Salerno, Dipartimento Informat & Applicaz, I-84084 Fisciano, SA, Italy
[2] Apptus Technol AB, Res & Dev, S-22370 Lund, Sweden
关键词
Matroid; Independent sets; Set cover; ALGORITHM;
D O I
10.1016/j.disc.2008.05.019
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We consider a problem related to the submodular set cover on polymatroids, when the ground set is the family of independent sets of a matroid. The achievement here is getting a strongly polynomial running time with respect to the ground set of the matroid even though the family of independent sets has exponential size. We also address the optimization problem of the maximization of submodular set functions on the independent sets of a matroid. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:5739 / 5744
页数:6
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