Mathematics – Quantum Algebra
Scientific paper
2002-11-29
Commun.Math.Phys.243:449-459,2003
Mathematics
Quantum Algebra
13 pages; LaTeX 2e
Scientific paper
10.1007/s00220-003-0971-9
We define even dimensional quantum spheres Sigma_q^2n that generalize to higher dimension the standard quantum two-sphere of Podle's and the four-sphere Sigma_q^4 obtained in the quantization of the Hopf bundle. The construction relies on an iterated Poisson double suspension of the standard Podle's two-sphere. The Poisson spheres that we get have the same symplectic foliation consisting of a degenerate point and a symplectic plane and, after quantization, have the same C^*-algebraic completion. We investigate their K-homology and K-theory by introducing Fredholm modules and projectors.
Bonechi Francesco
Ciccoli Nicola
Tarlini Marco
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