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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.

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The first derived equaliser of a pair of abelian group homomorphisms
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by Tim Porter PDF
Proc. Amer. Math. Soc. 42 (1974), 77-80 Request permission

Abstract:

In this note we attack the problem of classifying a pair of abelian group homomorphisms by introducing a construction which we call “the derived equaliser". After developing fairly simple methods for the calculation of these objects, we work an example in a simple case.
References
  • Peter Freyd, Abelian categories. An introduction to the theory of functors, Harper’s Series in Modern Mathematics, Harper & Row, Publishers, New York, 1964. MR 0166240
  • S. Mac Lane, Homology, Die Grundlehren der Math. Wissenschaften, Band 114, Academic Press, New York; Springer-Verlag, Berlin, 1963. MR 28 #122. T. Porter, Generalised recurrence formulae and $\lim _ \leftarrow ^{(1)}$ (in preparation).
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Additional Information
  • © Copyright 1974 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 42 (1974), 77-80
  • MSC: Primary 20K40
  • DOI: https://doi.org/10.1090/S0002-9939-1974-0335662-5
  • MathSciNet review: 0335662