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IPL
2000
105views more  IPL 2000»
14 years 9 months ago
Coverings that preserve sense of direction
Sense of direction is a property of labelled networks (i.e., arc-coloured graphs) that allows one to assign coherently local identifiers to other processors on the basis of the ro...
Paolo Boldi, Sebastiano Vigna
JOLLI
1998
86views more  JOLLI 1998»
14 years 9 months ago
On the Logic of Theory Change: Contraction without Recovery
The postulate of Recovery, among the six postulates for theory contraction, formulated and studied by Alchourr´on, G¨ardenfors and Makinson is the one that has provoked most cont...
Eduardo L. Fermé
PRL
1998
142views more  PRL 1998»
14 years 9 months ago
A monothetic clustering method
: The proposed divisive clustering method performs simultaneously a hierarchy of a set of objects and a monothetic characterization of each cluster of the hierarchy. A division is ...
Marie Chavent
ORL
2007
61views more  ORL 2007»
14 years 9 months ago
Exact solutions to linear programming problems
The use of floating-point calculations limits the accuracy of solutions obtained by standard LP software. We present a simplex-based algorithm that returns exact rational solutio...
David Applegate, William J. Cook, Sanjeeb Dash, Da...
QUESTA
2008
73views more  QUESTA 2008»
14 years 9 months ago
Optimal control of parallel server systems with many servers in heavy traffic
We consider a parallel server system that consists of several customer classes and server pools in parallel. We propose a simple robust control policy to minimize the total linear...
J. G. Dai, Tolga Tezcan