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Article Dans Une Revue Journal of Algebra and Its Applications Année : 2012

Galois and universal universal coverings of linear categories and fibre products

Résumé

Let $k$ be a commutative ring. We study the behaviour of coverings of $k$-categories through fibre products and find a criterion for a covering to be Galois or universal.

Dates et versions

hal-00795401 , version 1 (28-02-2013)

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Claude Cibils, Maria Julia Redondo, Andrea Solotar. Galois and universal universal coverings of linear categories and fibre products. Journal of Algebra and Its Applications, 2012, 11 (2), pp.1250024. ⟨10.1142/S0219498811005488⟩. ⟨hal-00795401⟩
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