• Between closed and Ig-closed sets 

      Pachon Rubiano, Néstor Raúl (Business Global LLCNew York, 2018)
      The concept of closed sets is a central object in general topology. In order to extend many of important properties of closed sets to a larger families, Norman Levine initiated the study of generalized closed sets. In ...
    • Other forms of continuity modulo an ideal 

      Pachón Rubiano, Néstor Raúl (Universidad Católica del NorteAntofagasta, Chile, 2020)
      El tema analizado en este artículo es la continuidad módulo un ideal. Usamos los conjuntos de I abierto para introducir nuevas formas de continuidad débil. Se investigarán algunas propiedades básicas de las funciones ...