Geodesic
Aggregations preserving classes of fuzzy relations
Kybernetika, Tome 41 (2005) no. 3, pp. 265-284 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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We consider aggregations of fuzzy relations using means in [0,1] (especially: minimum, maximum and quasilinear mean). After recalling fundamental properties of fuzzy relations we examine means, which preserve reflexivity, symmetry, connectedness and transitivity of fuzzy relations. Conversely, some properties of aggregated relations can be inferred from properties of aggregation results. Results of the paper are completed by suitable examples and counter- examples, which is summarized in a special table at the end of the paper.
We consider aggregations of fuzzy relations using means in [0,1] (especially: minimum, maximum and quasilinear mean). After recalling fundamental properties of fuzzy relations we examine means, which preserve reflexivity, symmetry, connectedness and transitivity of fuzzy relations. Conversely, some properties of aggregated relations can be inferred from properties of aggregation results. Results of the paper are completed by suitable examples and counter- examples, which is summarized in a special table at the end of the paper.
Classification : 03E72, 68T37
Keywords: fuzzy relation; reflexivity; symmetry; connectedness; $\star $-transitivity; transitivity; weak property; relation aggregation; mean; arithmetic mean; quasi-arithmetic mean; quasilinear mean; weighted average 
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Drewniak, Józef; Dudziak, Urszula. Aggregations preserving classes of fuzzy relations. Kybernetika, Tome 41 (2005) no. 3, pp. 265-284. http://geodesic.mathdoc.fr/item/KYB_2005_41_3_a0/

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