Lattice valuations, medians and majoriti
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Bruno Leclerc
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Article
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1993
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Elsevier Science
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English
β 793 KB
Medians in a finite semilattice endowed with a metric of a classical type are considered. First, upper valuations and their associated metrics are characterized by the fact that the majority rule provides a lower bound for the medians. The set of all the medians is more precisely described in the ca