Original Articles

THE EXPONENTIABLE MORPHISMS IN KELLEY ARE THE OPEN MAPS

Published in: Quaestiones Mathematicae
Volume 20 , issue 4, pages: 721–728

DOI: 10.1080/16073606.1997.9632240

Author(s): Francesca CagliariDepartment of Mathematics, Italy, Sandra MantovaniDepartment of Mathematics, Italy,

Keywords: 18B30, 54D50, 18D15, 18B30, 54D50, 18D15,

Download full text Get new issue alerts

Abstract

We show that in the category Kelley of Hausdorff k-spaces a map is exponentiable if and only if it is open and that any open surjection is an effective descent morphism.

« SMYTH COMPLETENESS IN TERMS OF NETS: THE GENERAL CASE

LOCAL UNIQUENESS OF VECTOR MATRICES RELATED TO EXPONENTIAL SUMS »

Original Articles

THE EXPONENTIABLE MORPHISMS IN KELLEY ARE THE OPEN MAPS

Abstract

Get new issue alerts for Quaestiones Mathematicae

Latest news

Latest articles