On the relationship between the Crescent Method and SUOWA operators

Producción CientíficaDifferent families of functions have been proposed in the literature with the purpose of simultaneously generalizing weighted means and OWA operators (see, for instance, WOWA and SUOWA operators). Recently, Jin, Mesiar, and Yager [L. Jin, R. Mesiar, and R. R. Yager, Melting probability measure with OWA operator to generate fuzzy measure: the Crescent Method, IEEE Transactions on Fuzzy Systems, in press] have introduced in the literature a new procedure called The Crescent Method to melt additive capacities with those of OWA operators. The main aim of this paper is to establish a relationship between the Crescent Method and SUOWA operators. From this relationship we give closed-form expressions for some well-known indices such as the Shapley values, the veto and favor indices, and the k-conjunctiveness and k-disjunctiveness indices.Este trabajo forma parte del proyecto de investigación: MEC-FEDER Grant ECO2016-77900-P

Generalizations of weighted means and OWA operators by using unimodal weighting vectors

Producción CientíficaWeighted means and OWA operators are two families of functions well known in the literature. Given that both are specific cases of the Choquet integral, several procedures for constructing capacities that generalize simultaneously those of the weighted means and the OWA operators have been suggested in recent years. In this paper we propose two methods that allow us to address the previous issue and that provide us with a wide variety of capacities when the weighting vector associated with the OWA operator is unimodal.Este trabajo forma parte del proyecto de investigación: MEC-FEDER Grant ECO2016-77900-P

On the relationships between some games associated with SUOWA and Semi-SUOWA operators

Producción CientíficaThe construction of functions that simultaneously generalize weighted means and OWA operators is an interesting topic that has received special attention in recent years. Due to the properties they satisfy, one of the most interesting generalization are SUOWA operators, which have been widely studied in the literature. In a recent paper, a new generalization has been introduced, the Semi-SUOWA operators, which have a close relationship with SUOWA operators. The main aim of this paper is to analyze the games associated with Semi-SUOWA operators. In this respect, we give conditions under which we can guarantee the monotonicity of these games. Moreover, we establish some relationships between some games associated with SUOWA and Semi-SUOWA operators and show the pointwise convergence of certain games.Este trabajo forma parte del proyecto de investigación: MEC-FEDER Grant ECO2016- 77900-

A Behavioral Analysis of WOWA and SUOWA Operators

Producción CientíficaWeighted ordered weighted averaging (WOWA) and semiuninorm-based ordered weighted averaging (SUOWA) operators are two families of aggregation functions that simultaneously generalize weighted means and OWA operators. Both families can be obtained by using the Choquet integral with respect to normalized capacities. Therefore, they are continuous, monotonic, idempotent, compensative, and homogeneous of degree 1 functions. Although both families fulfill good properties, there are situations where their behavior is quite different. The aim of this paper is to analyze both families of functions regarding some simple cases of weighting vectors, the capacities from which they are building, the weights affecting the components of each vector, and the values they return.Ministerio de Economía, Industria y Competitividad (ECO2012-32178)Junta de Castilla y León (programa de apoyo a proyectos de investigación – Ref. VA066U13