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 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Mapping cylinder neighborhoods in the plane
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by Beverly Brechner and Morton Brown
Proc. Amer. Math. Soc. 84 (1982), 433-436
DOI: https://doi.org/10.1090/S0002-9939-1982-0640248-3

Abstract:

We characterize those compact subsets of the plane which have mapping cylinder neighborhoods, describe the neighborhood closures, and show that such neighborhood closures are topologically unique. The proofs employ the notion of prime ends. We also show that if $U$ is a mapping cylinder neighborhood of a pointlike continuum in ${S^3}$, then $\overline U$ is a $3$-cell.
References
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Bibliographic Information
  • © Copyright 1982 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 84 (1982), 433-436
  • MSC: Primary 57N05; Secondary 54F25, 57N60
  • DOI: https://doi.org/10.1090/S0002-9939-1982-0640248-3
  • MathSciNet review: 640248