Browsing Revista Colombiana de Matemáticas by Author "Abian, Alexander"

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    • Rings of real-valued functions and the finite subcovering property 

      Abian, Alexander; Salbany, Sergio
      Let C be a ring of (not necessarily bounded) real-valued functions with a common domain X such that C includes all the constant functions and if f   and lt; C then | f | ε C.
      Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Matemáticas. 

    • Total compactness of a-inductive partially ordered sets 

      Abian, Alexander; Kemp, Paula A.
      A poset (i.e., partially ordered set) P is called A-inductive iff every nonempty well ordered subset W of P has a supremum (i.e., least upper bound) wich need not be an element of W.
      Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Matemáticas.