Geodesic
Preserving homology
Theory and applications of categories, Tome 16 (2006), pp. 132-143.

Voir la notice de l'article provenant de la source Theory and Applications of Categories website

We raise the question of saying what it means for a functor between abelian categories to preserve homology. We give a kind of answer and explore the reasons it is unsatisfactory in general (although fine for left or right exact functors).
Classification : 18E10, 18A22
Keywords: preservation of homology 
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     author = {Michael Barr},
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     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2006_16_a6/}
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Michael Barr. Preserving homology. Theory and applications of categories, Tome 16 (2006), pp. 132-143. http://geodesic.mathdoc.fr/item/TAC_2006_16_a6/