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Mesiar, R.; Bustince, H.; Fernandez, J.
Information sciences, 05/2010, Letnik: 180, Številka: 10Journal Article
In this paper we address the problem of α -migrativity (for a fixed α ) for semicopulas, copulas and quasi-copulas. We introduce the concept of an α -sum of semicopulas. This new concept allows us to completely characterize α -migrative semicopulas and copulas. Moreover, α -sums also provide a means to obtain a partial characterization of α -migrative quasi-copulas.
