Versatile asymmetrical tight extensions

We show that the image of a q-hyperconvex quasi-metric space under a retraction is q-hyperconvex. Furthermore, we establish that quasi-tightness and quasi-essentiality of an extension of a T0-quasi-metric space are equivalent.

Bibliographic Details
Main Authors: Otafudu Olivier Olela, Mushaandja Zechariah
Format: Article
Language:English
Published: De Gruyter 2017-04-01
Series:Topological Algebra and its Applications
Subjects:
Online Access:https://doi.org/10.1515/taa-2017-0002