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Characterization of principal bundles: the noncommutative algebraic case

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Ugalde Gómez, William Javier

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Abstract

We review Hopf–Galois extensions, in particular faithfully flat ones, accepted to be the noncommutative algebraic dual of a principal bundle. We also make a short digression into how quantum groups relate to Hopf—Galois extensions. Several examples are given, in order to provide a satisfactory understanding of each topic.

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MATH, ALGEBRA

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https://arxiv.org/abs/2402.16852

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