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.

 

Codimension of some subspaces in a Fréchet algebra
HTML articles powered by AMS MathViewer

by Jens Peter Reus Christensen PDF
Proc. Amer. Math. Soc. 57 (1976), 276-278 Request permission

Abstract:

In a complete separable metrizable topological algebra, if the linear span of the set of all products of two elements has at most countable algebraic codimension, then it has finite codimension.
References
  • J. P. R. Christensen, Topology and Borel structure, North-Holland Mathematics Studies, Vol. 10, North-Holland Publishing Co., Amsterdam-London; American Elsevier Publishing Co., Inc., New York, 1974. Descriptive topology and set theory with applications to functional analysis and measure theory. MR 0348724
  • C. Kuratowski, Topologie. Vol. 1, 2nd ed., Monografie Mat., Tom 20, PWN, Warsaw, 1948. MR 10, 389.
  • François Trèves, Topological vector spaces, distributions and kernels, Academic Press, New York-London, 1967. MR 0225131
  • Problems list from the conference on derivations and homomorphisms at U.C.L.A., July 1974.
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC: 46H10
  • Retrieve articles in all journals with MSC: 46H10
Additional Information
  • © Copyright 1976 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 57 (1976), 276-278
  • MSC: Primary 46H10
  • DOI: https://doi.org/10.1090/S0002-9939-1976-0405107-7
  • MathSciNet review: 0405107