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Hopf algebroids from noncommutative bundles
Published 5 Jan 2022 in math.QA, math-ph, and math.MP | (2201.01612v1)
Abstract: We present two classes of examples of Hopf algebroids associated with noncommutative principal bundles. The first comes from deforming the principal bundle while leaving unchanged the structure Hopf algebra. The second is related to deforming a quantum homogeneous space; this needs a careful deformation of the structure Hopf algebra in order to preserve the compatibilities between the Hopf algebra operations.
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