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FOCS
1994
IEEE
13 years 11 months ago
1994
IEEE
This paper considers the problems of admission control and virtual circuit routing in high performance computing and communication systems. Admission control and virtual circuit r...
KDD
2009
ACM
14 years 2 months ago
2009
ACM
In this paper we propose a utility model that accounts for both sales and branding advertisers. We first study the computational complexity of optimization problems related to bo...
INFORMATICALT
2010
13 years 5 months ago
2010
We address the issue of inapproximability of the wavelength assignment problem in wavelength division multiplexing (WDM) optical networks. We prove that in an n-node WDM optical ne...
STACS
2007
Springer
14 years 1 months ago
2007
Springer
A coloring of a graph is convex if it induces a partition of the vertices into connected subgraphs. Besides being an interesting property from a theoretical point of view, tests f...
GD
2008
Springer
13 years 8 months ago
2008
Springer
A nonplanar graph G is near-planar if it contains an edge e such that G − e is planar. The problem of determining the crossing number of a near-planar graph is exhibited from di...