Galois and universal universal coverings of linear categories and fibre products
classification
🧮 math.RT
keywords
universalcategoriescoveringsfibregaloisproductsbehaviourcommutative
read the original abstract
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.
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