Abstract :
[en] We describe the space of (all) invariant deformation quantizations on the hyperbolic plane D as
solutions of the evolution of a second order hyperbolic di erential operator. The construction is entirely
explicit and relies on non-commutative harmonic analytical techniques on symplectic symmetric spaces.
The present work presents a uni ed method producing every quantization of D, and provides, in the
2-dimensional context, an exact solution to Weinstein's WKB quantization program within geometric
terms. The construction reveals the existence of a metric of Lorentz signature canonically attached (or
`dual') to the geometry of the hyperbolic plane through the quantization process.
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