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 .
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-bc61-0-1, author = {F. Bonechi and M. Tarlini and N. Ciccoli}, title = {Quantum 4-sphere: the infinitesimal approach}, journal = {Banach Center Publications}, volume = {60}, year = {2003}, pages = {11-20}, zbl = {1061.58001}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc61-0-1} }
F. Bonechi; M. Tarlini; N. Ciccoli. Quantum 4-sphere: the infinitesimal approach. Banach Center Publications, Tome 60 (2003) pp. 11-20. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc61-0-1/