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Proceedings of the American Mathematical Society

Published by the American Mathematical Society, the Proceedings of the American Mathematical Society (PROC) is devoted to research articles of the highest quality 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.

 

On the intersection of free factors of a free group
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by R. G. Burns, T. C. Chau and D. Solitar PDF
Proc. Amer. Math. Soc. 64 (1977), 43-44 Request permission

Abstract:

An example is given of a descending sequence of free factors of a free group F whose intersection is not a free factor of F.
References
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Additional Information
  • © Copyright 1977 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 64 (1977), 43-44
  • MSC: Primary 20E05
  • DOI: https://doi.org/10.1090/S0002-9939-1977-0447405-8
  • MathSciNet review: 0447405