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Listar por palabra clave "Upper topology"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por palabra clave "Upper topology"

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    The structure of the poset of regular topologies on a set 
    Alas, Ofelia T.; Wilson, Richard G. (Universitat Politècnica de València, 2011-04-01)
    [EN] We study the subposet E3(X) of the lattice L1(X) of all T1-topologies on a set X, being the collections of all T3 topologies on X, with a view to deciding which elements of this partially ordered set have and which ...
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    Which topologies can have immediate successors in the lattice of T1-topologies? 
    Alas, Ofelia T.; Wilson, Richard G. (Universitat Politècnica de València, 2004-10-01)
    [EN] We give a new characterization of those topologies which have an immediate successor or cover in the lattice of T1-topologies on a set and show that certain classes of compact and countably compact topologies do not ...