The Egorov theorem for transverse Dirac type operators on foliated manifolds

Details The Egorov theorem for transverse Dirac type operators on foliated manifolds The Egorov theorem for transverse Dirac type operators on foliated manifolds

2007-08-13

arxiv.org/abs/0708.1660v1

Mathematics

Differential Geometry

27 pages, to appear in Journal of Geometry and Physics

Scientific paper

10.1016/j.geomphys.2007.08.002

Egorov's theorem for transversally elliptic operators, acting on sections of a vector bundle over a compact foliated manifold, is proved. This theorem relates the quantum evolution of transverse pseudodifferential operators determined by a first order transversally elliptic operator with the (classical) evolution of its symbols determined by the parallel transport along the orbits of the associated transverse bicharacteristic flow. For a particular case of a transverse Dirac operator, the transverse bicharacteristic flow is shown to be given by the transverse geodesic flow and the parallel transport by the parallel transport determined by the transverse Levi-Civita connection. These results allow us to describe the noncommutative geodesic flow in noncommutative geometry of Riemannian foliations.

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