Browsing by Autor "Jorge Vielma"

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    Low separation axioms via the diagonal
    (Technical University of Valencia, 2008) María Luisa Colasante; Carlos Uzcátegui; Jorge Vielma
    In the context of a generalized topology g on a set X, we give in this article characterizations of some separation axioms between T0 and T2 in terms of properties of the diagonal in X X.
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    The equality of the Patch topology and the Ultrafilter topology: A shortcut
    (Technical University of Valencia, 2013) Luz M. Ruza; Jorge Vielma
    In this work R denotes a commutative ring with non-zero identity andwe prove that the patch topology and the ultrafilter topology definedon the prime spectrum of R are equal, in a different way as the givenby Marco Fontana and K. Alan Loper