A FIBRE-FUNCTOR CHARACTERIZATION OF TOPOLOGICAL CATEGORIES WITH PULLBACK-STABILITY
Bargenda, H. W.; Vajner, V.; Bargenda, H. W.; Department of Mathematics, University of Cape Town; Vajner, V.; Department of Mathematics, University of Cape Town
Журнал:
Quaestiones Mathematicae
Дата:
1991
Аннотация:
AbstractEvery kind of pullback-stability in a topological category (A,U), for example, the (concrete) cartesian closedness, the universal topologicity, the heredity of (A,U), etc., is characterized by an internal order-theoretic condition of the associated fibre-functor of (A, U).
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