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» On Bounds for the k-Partitioning of Graphs
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IPL
2000
111views more  IPL 2000»
14 years 9 months ago
On the performance of the first-fit coloring algorithm on permutation graphs
In this paper we study the performance of a particular on-line coloring algorithm, the First-Fit or Greedy algorithm, on a class of perfect graphs namely the permutation graphs. W...
Stavros D. Nikolopoulos, Charis Papadopoulos
RSA
2000
104views more  RSA 2000»
14 years 9 months ago
Construction of expanders and superconcentrators using Kolmogorov complexity
We show the existence of various versions of expander graphs using Kolmogorov complexity. This method seems superior to the usual probabilistic construction. It turns out that the...
Uwe Schöning
AI
2011
Springer
14 years 4 months ago
Bounded approximate decentralised coordination via the max-sum algorithm
In this paper we propose a novel approach to decentralised coordination, that is able to efficiently compute solutions with a guaranteed approximation ratio. Our approach is base...
Alex Rogers, Alessandro Farinelli, Ruben Stranders...
CP
2005
Springer
15 years 3 months ago
Bounds of Graph Characteristics
Abstract. This report presents a basic scheme for deriving systematically a filtering algorithm from the graph properties based representation of global constraints. This scheme i...
Nicolas Beldiceanu, Thierry Petit, Guillaume Rocha...
JCT
2010
112views more  JCT 2010»
14 years 8 months ago
More on block intersection polynomials and new applications to graphs and block designs
The concept of intersection numbers of order r for t-designs is generalized to graphs and to block designs which are not necessarily t-designs. These intersection numbers satisfy ...
Leonard H. Soicher