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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.

 

The ends of product manifolds
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by Dennis C. Hass PDF
Proc. Amer. Math. Soc. 36 (1972), 267-271 Request permission

Abstract:

In this paper we provide simple point set properties which characterize the m-spheres ${S^m}$, open m-cells ${E^m}$, closed cells ${I^m}$, and annuli ${A^m} = [0,1) \times {S^{m - 1}}$. It is important to notice that the Poincaré conjecture is not used in dimension 3 or 4.
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Additional Information
  • © Copyright 1972 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 36 (1972), 267-271
  • MSC: Primary 57A15
  • DOI: https://doi.org/10.1090/S0002-9939-1972-0307243-9
  • MathSciNet review: 0307243