Now showing items 1-2 of 2

  • A map characterizing the fuzzy points and columns of a T-indistinguishability operator 

    Boixader Ibáñez, Dionís; Recasens Ferrés, Jorge (2005-10)
    Article
    Open Access
    A new map (ΛE) between fuzzy subsets of a universe X endowed with a T-indistinguishability operator E is introduced. The main feature of ΛE is that it has the columns of E as fixed points, and thus it provides us with a ...
  • Graded sets, points and numbers 

    Herencia González, José Antonio (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1998)
    Article
    Open Access
    The basic tool considered in this paper is the so-called "graded set", defined on the analogy of the family of α-cuts of a fuzzy set. It is also considered the corresponding extensions of the concepts of a point ...