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Regularity in approach theory
Authors:B Banaschewski  R Lowen  C van Olmen
Institution:(1) Department of Mathematics and Statistics, McMaster University, Hamilton, Ontario, Canada;(2) Department of Mathematics and Computer Science, University of Antwerp, Middelheimlaan 1, B-2020 Antwerp, Belgium
Abstract:The setting of approach frames is an exquisite environment to compare the various notions of regularity in topology, frames and approach spaces and in this paper we make this investigation. This brings to light some interesting similarities and differences and proves that there are at least two different unifying notions in the setting of approach frames each with specific advantages. The third author is an Aspirant of the Foundation for Scientific Research Flanders.
Keywords:approach space  frame  regularity metric  topology  initial structure
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