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Toggle navigation. Have you forgotten your login? Journal articles. Matthieu Latapy 2 AuthorId : Author. Hide details. Abstract : We define a new graph operator, called the weak-factor graph, which comes from the context of complex network modelling. The weak-factor operator is close to the well-known clique-graph operator but it rather operates in terms of bicliques in a multipartite graph.

We address the problem of the termination of the series of graphs obtained by iteratively applying the weak-factor operator starting from a given input graph. As for the clique-graph operator, it turns out that some graphs give rise to series that do not terminate. Therefore, we design a slight variation of the weak-factor operator, called clean-factor, and prove that its associated series terminates for all input graphs.

In addition, we show that the multipartite graph on which the series terminates has a very nice combinatorial structure: we exhibit a bijection between its vertices and the chains of the inclusion order on the intersections of the maximal cliques of the input graph.

Domain : Computer Science [cs]. On the termination of some biclique operators on multipartite graphs. Discrete Applied Mathematics , Elsevier, , , pp. Metrics Record views. Contact support.

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