Articles
Publicado 2005-10-24
Palabras clave
- Quasi-abelian category,
- commutative square,
- Lambek invariants
Derechos de autor 2025 Scientia
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.
Cómo citar
On the Lambek Invariants of Commutative Squares in a Quasi-Abelian Category. (2005). Scientia, 11, 57-67. https://revistas.usm.cl/scientia/article/view/73
Resumen
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 categories exact in the sense of Buchsbaum.
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