On the Lambek Invariants of Commutative Squares in a Quasi-Abelian Category

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We consider the invariants Ker and Im for commutative squares in quasi-abelian categories. These invariants were introduced by Lambek for groups and then studied by Hilton and Nomura in exact categories.
10 pages

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Category Theory, Functional Analysis, 18A20, 46M99

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http://salesiana.dossiersoluciones.com/handle/123456789/95434

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0510072
 http://arxiv.org/abs/math/0510072

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arXiv