Original Articles

A FIBRE-FUNCTOR CHARACTERIZATION OF TOPOLOGICAL CATEGORIES WITH PULLBACK-STABILITY

Published in: Quaestiones Mathematicae
Volume 14 , issue 4 , 1991 , pages: 433–443

DOI: 10.1080/16073606.1991.9631661

Author(s): H.W. Bargenda Department of Mathematics, Republic of South Africa , V. Vajner Department of Mathematics, Republic of South Africa

Keywords: 18D15 , 18D30 , 54B30

Download full text Get new issue alerts

Abstract

Every 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).

« PIECEWISE ENDOMORPHISMS OF RING MODULES

NOTES ON HOMOTOPY PULL-BACKS »