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CONCUR 2007, Lisbon : Portugal (2007)
A Nice Labelling for Tree-Like Event Structures of Degree 3
Luigi Santocanale 1
(2007-09-04)

We address the problem of finding nice labellings for event structures of degree 3. We develop a minimum theory by which we prove that the labelling number of an event structure of degree 3 is bounded by a linear function of the height. The main theorem we present in this paper states that event structures of degree 3 whose causality order is a tree have a nice labelling with 3 colors. Finally, we exemplify how to use this theorem to construct upper bounds for the labelling number of other event structures of degree 3.
1:  Laboratoire d'informatique Fondamentale de Marseille (LIF)
CNRS : UMR6166 – Université de la Méditerranée - Aix-Marseille II – Université de Provence - Aix-Marseille I
Computer Science/Distributed, Parallel, and Cluster Computing
event structures – labelling – graph coloring
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