Deformation Quantization for Actions of Kahlerian Lie Groups

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· American Mathematical Soc.
Ebook
154
Pages
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About this ebook

Let B  be a Lie group admitting a left-invariant negatively curved Kählerian structure. Consider a strongly continuous action   of B  on a Fréchet algebra  . Denote by     the associated Fréchet algebra of smooth vectors for this action. In the Abelian case BR    and   isometric, Marc Rieffel proved that Weyl's operator symbol composition formula (the so called Moyal product) yields a deformation through Fréchet algebra structures     R   on    . When   is a    -algebra, every deformed Fréchet algebra        admits a compatible pre-   -structure, hence yielding a deformation theory at the level of    -algebras too.

In this memoir, the authors prove both analogous statements for general negatively curved Kählerian groups. The construction relies on the one hand on combining a non-Abelian version of oscillatory integral on tempered Lie groups with geom,etrical objects coming from invariant WKB-quantization of solvable symplectic symmetric spaces, and, on the second hand, in establishing a non-Abelian version of the Calderón-Vaillancourt Theorem. In particular, the authors give an oscillating kernel formula for WKB-star products on symplectic symmetric spaces that fiber over an exponential Lie group.

 

About the author

Pierre Bieliavsky, Université Catholique de Louvain, Louvain le Neuve, Belgium, and Victor Gayral, Laboratoire de Mathématiques, Reims, France

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