L’électricité entre concurrence et monopole

rapports entre science et valeurs

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Relation entre le pouvoir toxique et le pouvoir antigene des toxines diphterique et tetanique

Structures algébriques en logique et concurrence

In this work we shall synthesize the research activity we have accomplished since we received the PhD title at the University of Québec in Montréal. These researches have been developed at and made possible through several research institutions that we would like to thank : the BRICS at Aarhus University, the PIMS and the Department of Computer Science of Calgary University, the LaBRI at Bordea...

Darwin et la socialit\'e : entre anthropomorphisme et gradualisme

We propose, in this article, an analysis of the Darwin’s approach to sociality. Sociality is perfectly integrated into the selective model, and is caused by the same process as struggle for existence. Thus, the selective process does not prohibit demonstrating cooperation, but on the contrary, explains it. We will see that the unification of sociality, in a more adequate representation to mamma...

Descripteurs directionnels d’enlacement et d’entrelacement entre objets

The analysis of spatial relationships between objects in images plays a crucial role in various application domains related to pattern recognition and computer vision. In this article, we adress the issue of describing complex spatial configurations, where objects can be imbricated in each other. We formalize this notion with two new spatial relations called the enlacement and interlacement. We...