Noncommutative Riemannian and Spin Geometry of the Standard q-Sphere
Quantum Algebra
2007-05-23 v2 Representation Theory
Abstract
We study the quantum sphere as a quantum Riemannian manifold in the quantum frame bundle approach. We exhibit its 2-dimensional cotangent bundle as a direct sum in a double complex. We find the natural metric, volume form, Hodge * operator, Laplace and Maxwell operators. We show that the q-monopole as spin connection induces a natural Levi-Civita type connection and find its Ricci curvature and q-Dirac operator . We find the possibility of an antisymmetric volume form quantum correction to the Ricci curvature and Lichnerowicz-type formulae for . We also remark on the geometric q-Borel-Weil-Bott construction.
Keywords
Cite
@article{arxiv.math/0307351,
title = {Noncommutative Riemannian and Spin Geometry of the Standard q-Sphere},
author = {S. Majid},
journal= {arXiv preprint arXiv:math/0307351},
year = {2007}
}
Comments
28 pages amslatex, added projectors and trivialisation