90 search results - page 9 / 18 » Approximation algorithms for partially covering with edges |
COCO
2009
Springer
14 years 2 months ago
2009
Springer
We study the inapproximability of Vertex Cover and Independent Set on degree d graphs. We prove that: • Vertex Cover is Unique Games-hard to approximate to within a factor 2−(...
FOCS
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper we introduce a new general framework for set covering problems, based on the combination of randomized rounding of the (near-)optimal solution of the Linear Programm...
COCOA
2009
Springer
14 years 11 days ago
2009
Springer
Abstract. In wireless communication networks, optimal use of the directional antenna is very important. The directional antenna coverage (DAC) problem is to cover all clients with ...
ISAAC
2007
Springer
14 years 1 months ago
2007
Springer
The class of graphs where the size of a minimum vertex cover equals that of a maximum matching is known as K¨onig-Egerv´ary graphs. K¨onig-Egerv´ary graphs have been studied ex...
ISAAC
2010
Springer
13 years 5 months ago
2010
Springer
We study the NP-complete TARGET SET SELECTION (TSS) problem occurring in social network analysis. Complementing results on its approximability and extending results for its restric...