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).
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