1. Blackadar, B.: K-theory for operator algebras, 5 of Mathematical Sciences Research Institute Publications, 2nd edn. Cambridge University Press, Cambridge (1998)
2. Chakraborty, P.S., Pal, A.: Equivariant spectral triples on the quantum $$SU(2)$$ group. K-Theory 28(2), 107–126 (2003)
3. Chakraborty, P.S., Pal, A.: Characterization of $$SU_q(\ell +1)$$-equivariant spectral triples for the odd dimensional quantum spheres. J. Reine Angew. Math. 623, 25–42 (2008)
4. Connes, A.: Noncommutative Geometry. Academic Press Inc, San Diego, CA (1994)
5. Connes, A., Dubois-Violette, M.: Noncommutative finite-dimensional manifolds. I. Spherical manifolds and related examples. Commun. Math. Phys. 230(3), 539–579 (2002)