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.

 

Restrictions of open mappings of continua
HTML articles powered by AMS MathViewer

by Witold D. Bula and E. D. Tymchatyn PDF
Proc. Amer. Math. Soc. 109 (1990), 233-235 Request permission

Abstract:

We give an example of an open map $f:X \to Y$, where $X$ is a locally connected one-dimensional continuum, such that there is a subcontinuum $K$ of $Y$ for which the restriction of $f$ to a certain component of ${f^{ - 1}}(K)$ is not open.
References
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC: 54C10, 54F20
  • Retrieve articles in all journals with MSC: 54C10, 54F20
Additional Information
  • © Copyright 1990 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 109 (1990), 233-235
  • MSC: Primary 54C10; Secondary 54F20
  • DOI: https://doi.org/10.1090/S0002-9939-1990-1013965-8
  • MathSciNet review: 1013965