Shahn Majid
(Queen Mary University of London)
February 23, 2022
Organized by Europe GNCG Seminar.

Quantum geodesic flows and curvature

We study geodesics flows on curved quantum Riemannian geometries using a recent formulation in terms of bimodule connections and noncommutative geodesic velocity vector fields. We show on a classical manifold how the Ricci tensor arises naturally in our approach as a term in the convective derivative of the divergence of the geodesic velocity field, and use this to propose a similar object in the noncommutative case. Examples include quantum geodesic flows on the algebra of 2 x 2 matrices and the fuzzy sphere. This is joint work with E. Beggs. 

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