# Gilles Caporossi

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In this paper, we propose an empirical study of the centrality of actors in network. The data was collected among publicly available information of the boa...

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In this paper, we summarize some properties of the Cartesian product of graphs related to degree and distance-based invariants. Then, we investigate how mu...

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More than fifteen years after the beginning of the development of AutoGraphiX (AGX), a third version of the software is made available. Since the program w...

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In this paper, we propose an empirical study of the centrality of actors in network. The data was collected among publicly available information of the boa...

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An edge-coloring of a graph $$G=(V,E)$$ is a function $$c$$ that assigns an integer $$c(e)$$ (called color) in $$\{0,1,2,\dotsc\}$$ to every edge (...

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La recherche à voisinages variables (RVV), ou <i>Variable Neighborhood Search (VNS)</i> en anglais est une métaheuristique dont l'invention est due à Nenad ...

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L'écriture est une activité humaine complexe qui implique l'utilisation par le scripteur d'outils aujourd'hui variés (papier-crayon, papier-clavier, écran-cl...

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The Euclidean distance between the eigenvalue sequences of graphs $$G$$ and $$H$$`, on the same number of vertices, is called the spectral distance &nb...

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In this paper we propose the use of twin graphs for optical transport network (OTN) physical topology design. Some properties inherent to twin graphs are fa...

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Le nombre de Cahiers du GERAD vient de dépasser 2000. C'est un nombre qui en dit long sur l'activité du centre. Nous profiterons de cette occasion pour fa...

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Transmission and betweenness centrality are key concepts in communication networks theory. In this paper, a series of network descriptors based on betweenne...

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In the present paper, we are interested in studying mathematical properties of the Balaban index of connected graphs. We present a discussion on and refuta...

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Introduced during the late nineties of the last century, Variable Neighborhood Search (VNS) was first designed for solving specific problems in combinatorial...

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In this paper, we propose an algorithm to solve multi objective optimization problem where the objects under study are graphs. The proposed algorithm is des...

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This paper presents a decomposition approach for solving a variant of the Routing and Wavelength Assignment (RWA) problem, in which all connection requests a...

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Betweenness centrality was proposed about 35 years ago by Freeman. Since then, it was widely used mainly for analyzing social networks. According to <i>Web...

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Since the late forties of the last century, methods of operations research have been extensively used to solve problems in graph theory, and graph theory has...

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Using a heuristic optimization module based upon Variable Neighborhood Search (VNS), the system AutoGraphiX's main feature is to find extremal or near extre...

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Clusterwise regression is a clustering technique where multiple lines or hyperplanes are fit to mutually exclusive subsets of a dataset such that the sum of ...

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Finding communities, or clusters, or modules, in networks can be done by optimizing an objective function defined globally and/or by specifying conditions wh...

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