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.

 

Nonhomogeneity of products of preimages and $\pi$-weight
HTML articles powered by AMS MathViewer

by Eric K. van Douwen PDF
Proc. Amer. Math. Soc. 69 (1978), 183-192 Request permission

Abstract:

We prove a general nonhomogeneity result which implies among others (1) if X is a homogeneous Hausdorff space, then $|X| \leqslant {2^{\pi (X)}}$; (2) no power of $\beta (\omega ) - \omega$, or of $\beta Q - Q$ or of $\beta R - R$ is homogeneous.
References
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC: 54F99, 54A25
  • Retrieve articles in all journals with MSC: 54F99, 54A25
Additional Information
  • © Copyright 1978 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 69 (1978), 183-192
  • MSC: Primary 54F99; Secondary 54A25
  • DOI: https://doi.org/10.1090/S0002-9939-1978-0644652-8
  • MathSciNet review: 0644652