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EJC
2010
15 years 6 months ago
Partial covers of PG(n, q)
In this paper, we investigate some properties of partial covers of PG(n, q). We show that a set of q + a hyperplanes, q 81, a < (q - 1)/3, or q > 13 and a (q - 10)/4, that...
Stefan M. Dodunekov, Leo Storme, Geertrui Van de V...
COR
2007
112views more  COR 2007»
15 years 5 months ago
The bi-objective covering tour problem
The paper discusses the definition and solution of a bi-objective routing problem, namely the bi-objective covering tour problem. The bi-objective CTP is a generalization of the ...
Nicolas Jozefowiez, Frédéric Semet, ...
FUIN
2007
85views more  FUIN 2007»
15 years 5 months ago
Entropies and Co-Entropies of Coverings with Application to Incomplete Information Systems
Different generalizations to the case of coverings of the standard approach to entropy applied to partitions of a finite universe X are explored. In the first approach any cover...
Daniela Bianucci, Gianpiero Cattaneo, Davide Ciucc...
COCOON
2005
Springer
15 years 11 months ago
A PTAS for a Disc Covering Problem Using Width-Bounded Separators
In this paper, we study the following disc covering problem: Given a set of discs of various radii on the plane, find a subset of discs to maximize the area covered by exactly on...
Zhixiang Chen, Bin Fu, Yong Tang, Binhai Zhu
EPS
1998
Springer
15 years 10 months ago
Evolutionary Algorithms for Vertex Cover
This paper reports work investigating various evolutionary approaches to vertex cover (VC), a well-known NP-Hard optimization problem. Central to each of the algorithms is a novel ...
Isaac K. Evans