2 papers
math.QA2024
Characterization of principal bundles: the noncommutative algebraic case
William J. Ugalde
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 h…
math.GM2023
Characterization of principal bundles: the commutative case
William J. Ugalde
A review of the characterization of principal bundles, through the different properties of the action of a group and its related canonical and translation maps, is presented. The w…