Skip to Main Content

Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

Characterisation of compactness through convergence in Tychonoff spaces
HTML articles powered by AMS MathViewer

by C. G. Petalas and T. Vidalis PDF
Proc. Amer. Math. Soc. 124 (1996), 633-636 Request permission

Abstract:

In this article we first give a characterisation of compact spaces among $T_{3.5}$ spaces by improving a theorem of J. Ewert. Then, with the aid of a new type of convergence, we give a characterisation of the pseudocompact and of the Lindelöf $T_{3.5}$ spaces.
References
  • Ryszard Engelking, Topologia ogólna, Państwowe Wydawnictwo Naukowe, Warsaw, 1975 (Polish). Biblioteka Matematyczna, Tom 47. [Mathematics Library. Vol. 47]. MR 0500779
  • J. Ewert, Almost uniform convergence, Period. Math. Hungar. 26 (1993), no. 1, 77–84. MR 1230566, DOI 10.1007/BF01875883
  • Jun-iti Nagata, Modern general topology, 2nd ed., North-Holland Mathematical Library, vol. 33, North-Holland Publishing Co., Amsterdam, 1985. MR 831659
  • Maria Predoi, Sur la convergence quasi-uniforme, Period. Math. Hungar. 10 (1979), no. 1, 31–40 (French). MR 506165, DOI 10.1007/BF02018370
  • A. Wilansky, Topology for analysis, Wiley, New York, 1970.
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC (1991): 54A20, 54C35, 54D30
  • Retrieve articles in all journals with MSC (1991): 54A20, 54C35, 54D30
Additional Information
  • C. G. Petalas
  • Affiliation: Department of Mathematics, University of Ioannina, Ioannina, Greece
  • Email: cpetalas@cc.uoi.gr
  • T. Vidalis
  • Affiliation: Department of Mathematics, University of Ioannina, Ioannina, Greece
  • Email: vidalis@cc.uoi.gr
  • Received by editor(s): July 6, 1994
  • Communicated by: Franklin D. Tall
  • © Copyright 1996 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 124 (1996), 633-636
  • MSC (1991): Primary 54A20, 54C35, 54D30
  • DOI: https://doi.org/10.1090/S0002-9939-96-03414-4
  • MathSciNet review: 1328370