Quantum 4-sphere: the infinitesimal approach
F. Bonechi, M. Tarlini, N. Ciccoli (2003)
Banach Center Publications
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We describe how the constructions of quantum homogeneous spaces using infinitesimal invariance and quantum coisotropic subgroups are related. As an example we recover the quantum 4-sphere of [2] through infinitesimal invariance with respect to .