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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.

 

An elementary proof of the classification of surfaces in the projective $3$-space
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by J. H. C. Creighton PDF
Proc. Amer. Math. Soc. 72 (1978), 191-192 Request permission

Abstract:

A closed surface embeds in the 3-dimensional real projective space if and only if it is orientable or of odd Euler characteristic. The proof given is elementary in the sense that only geometric techniques are used.
References
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Additional Information
  • © Copyright 1978 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 72 (1978), 191-192
  • MSC: Primary 54D40
  • DOI: https://doi.org/10.1090/S0002-9939-1978-0515780-2
  • MathSciNet review: 0515780