A Locally Trivial Quantum Hopf Fibration

Details A Locally Trivial Quantum Hopf Fibration A Locally Trivial Quantum Hopf Fibration

2001-12-31

arxiv.org/abs/math/0112317v3

Mathematics

Quantum Algebra

latex 2e, 23 pages in A4

Scientific paper

The irreducible *-representations of the polynomial algebra O(S^3_{pq}) of the quantum 3-sphere introduced by Calow and Matthes are classified. The K-groups of its universal C*-algebra are shown to coincide with their classical counterparts. The U(1)-action on O(S^3_{pq}) corresponding for p=1=q to the classical Hopf fibration is proven to be Galois (free). The thus obtained locally trivial Hopf-Galois extension is shown to be relatively projective (admitting a strong connection) and non-cleft. The latter is proven by determining an appropriate Chern-Connes pairing.

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