An algebraic framework for noncommutative bundles with homogeneous fibres

Tomasz Brzeziński, Wojciech Szymanski

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Abstrakt

An algebraic framework for noncommutative bundles with (quantum) homogeneous fibres is proposed. The framework relies on the use of principal coalgebra extensions which play the role of principal bundles in noncommutative geometry which might be additionally equipped with a Hopf algebra symmetry. The proposed framework is supported by two examples of noncommutative CP_q^1-bundles: the quantum flag manifold viewed as a bundle with a generic Podles sphere as a fibre, and the quantum twistor bundle viewed as a bundle over the quantum 4-sphere of Bonechi, Ciccoli and Tarlini.
OriginalsprogEngelsk
TidsskriftAlgebra & Number Theory
Vol/bind15
Udgave nummer1
Sider (fra-til)217-240
ISSN1937-0652
DOI
StatusUdgivet - 2021

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