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A Note on the Beauvois-Lopez Densification Operator
J.M.S. Simões-Pereira

We present a few comments on the densification or kinship operator introduced by Beauvois and Lopez: in particular, we characterize graphs whose kinship graph is complete and give an example where the kinship operator is reversible. Moreover, we suggest as alternative a reinforced densification operator which, in some cases, seems to be a more realistic model for the evolution of human relations in a community.

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