Variations on deformation quantization

  • Gutt S
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I have chosen, in this presentation of Deformation Quantization, to focus on 3 points: the uniqueness -up to equivalence- of a universal star product (universal in the sense of Kontsevich) on the dual of a Lie algebra, the cohomology classes introduced by Deligne for equivalence classes of differential star products on a symplectic manifold and the construction of some convergent star products on Hermitian symmetric spaces. Those subjects will appear in a promenade through the history of existence and equivalence in deformation quantization.

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  • S Gutt

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