Geodesic
Entropy of $T$-sums and $T$-products of $L$-$R$ fuzzy numbers
Kybernetika, Tome 37 (2001) no. 2, p. [127].

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In the paper the entropy of $L$–$R$ fuzzy numbers is studied. It is shown that for a given norm function, the computation of the entropy of $L$–$R$ fuzzy numbers reduces to using a simple formula which depends only on the spreads and shape functions of incoming numbers. In detail the entropy of $T_M$–sums and $T_M$–products of $L$–$R$ fuzzy numbers is investigated. It is shown that the resulting entropy can be computed only by means of the entropy of incoming fuzzy numbers or by means of their parameters without the computation of membership functions of corresponding sums or products. Moreover, the results for some other $t$-norm–based sums and products are derived. Several examples are included.
Classification : 03B52, 03E72, 26E50, 94A17, 94D05
Keywords: entropy; $L$-$R$ fuzzy numbers 
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     author = {Koles\'arov\'a, Anna and Vivona, Doretta},
     title = {Entropy of $T$-sums and $T$-products of $L$-$R$ fuzzy numbers},
     journal = {Kybernetika},
     pages = {[127]},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2001},
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     zbl = {1265.03020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2001__37_2_a1/}
}
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Kolesárová, Anna; Vivona, Doretta. Entropy of $T$-sums and $T$-products of $L$-$R$ fuzzy numbers. Kybernetika, Tome 37 (2001) no. 2, p. [127]. http://geodesic.mathdoc.fr/item/KYB_2001__37_2_a1/