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We define a natural class of star products: those which are given by a series of bidifferential operators which at order $k$ in the deformation parameter have at most $k$ derivatives in each argument. We show that any such star product on a…

Symplectic Geometry · Mathematics 2009-11-10 Simone Gutt , John Rawnsley

A review of the symplectic tomographic approaches within the framework of star-product quantization is presented. The classical statistical mechanics within the framework of the tomographic representation is considered. The kernels of…

Quantum Physics · Physics 2009-02-27 Olga V. Man'ko

A covariant Poisson bracket and an associated covariant star product in the sense of deformation quantization are defined on the algebra of tensor-valued differential forms on a symplectic manifold, as a generalization of similar structures…

Mathematical Physics · Physics 2010-09-09 M. Chaichian , M. Oksanen , A. Tureanu , G. Zet

In this note we classify invariant star products with quantum momentum maps on symplectic manifolds by means of an equivariant characteristic class taking values in the equivariant cohomology. We establish a bijection between the…

Quantum Algebra · Mathematics 2016-04-20 Thorsten Reichert , Stefan Waldmann

To each natural star product on a Poisson manifold $M$ we associate an antisymplectic involutive automorphism of the formal neighborhood of the zero section of the cotangent bundle of $M$. If $M$ is symplectic, this mapping is shown to be…

Quantum Algebra · Mathematics 2009-11-10 Alexander V. Karabegov

Tomograms introduced for the description of quantum states in terms of probability distributions are shown to be related to a standard star-product quantization with appropriate kernels. Examples of symplectic tomograms and spin tomograms…

Quantum Physics · Physics 2017-08-23 Olga V. Man'ko , Vladimir I. Man'ko , Giuseppe Marmo

We deform the moment map picture on the space of symplectic connections on a symplectic manifold. To do that, we study a vector bundle of Fedosov star product algebras on the space of symplectic connections. We describe a natural formal…

Symplectic Geometry · Mathematics 2021-06-28 Laurent La Fuente-Gravy

We give a self-contained algebraic description of a formal symplectic groupoid over a Poisson manifold M. To each natural star product on M we then associate a canonical formal symplectic groupoid over M. Finally, we construct a unique…

Quantum Algebra · Mathematics 2009-11-10 Alexander V. Karabegov

The characteristic class of a star product on a symplectic manifold appears as the class of a deformation of a given symplectic connection, as described by Fedosov. In contrast, one usually thinks of the characteristic class of a star…

Quantum Algebra · Mathematics 2007-05-23 P. Bieliavsky , P. Bonneau

We study the Berezin-Toeplitz quantization using as quantum space the space of eigenstates of the renormalized Bochner Laplacian corresponding to eigenvalues localized near the origin on a symplectic manifold. We show that this quantization…

Differential Geometry · Mathematics 2017-03-21 Louis Ioos , Wen Lu , Xiaonan Ma , George Marinescu

The notion of the Wick star-product is covariantly introduced for a general symplectic manifold equipped with two transverse polarisations. Along the lines of Fedosov method, the explicit procedure is given to construct the Wick symbols on…

High Energy Physics - Theory · Physics 2009-11-07 V. A. Dolgushev , S. L. Lyakhovich , A. A. Sharapov

We review our construction of star-products on Poisson manifolds and discuss some examples. In particular, we work out the relation with Fedosov's original construction in the symplectic case.

Quantum Algebra · Mathematics 2020-05-29 Alberto S. Cattaneo , Giovanni Felder , Lorenzo Tomassini

This is an expository note on Fedosov's construction of deformation quantization. Given a symplectic manifold and a connection on it, we show how to calculate the star-product step by step. We draw simple diagrams to solve the recursive…

Symplectic Geometry · Mathematics 2016-09-07 Olga Kravchenko

This research announcement continues the study of the symplectic homology of Weinstein manifolds undertaken in [BEE1] where the symplectic homology, as a vector space, was expressed in terms of the Legendrian homology algebra of the…

Symplectic Geometry · Mathematics 2016-07-13 Frederic Bourgeois , Tobias Ekholm , Yakov Eliashberg

We define a class of symplectic fibrations called symplectic configurations. They are natural generalization of Hamiltonian fibrations. Their geometric and topological properties are investigated. We are mainly concentrated on integral…

Symplectic Geometry · Mathematics 2010-05-13 Swiat Gal , Jarek Kedra

The existing relation between the tomographic description of quantum states and the convolution algebra of certain discrete groupoids represented on Hilbert spaces will be discussed. The realizations of groupoid algebras based on qudit,…

Mathematical Physics · Physics 2015-06-17 A. Ibort , V. I. Manko , G. Marmo , A. Simoni , C. Stornaiolo

After a brief description of the $\mathbb{Z}$-graded differential Poisson algebra, we introduce a covariant star product for exterior differential forms and give an explicit expression for it up to second order in the deformation parameter…

High Energy Physics - Theory · Physics 2010-05-13 Shannon McCurdy , Bruno Zumino

For arbitrary compact quantizable Kaehler manifolds it is shown how a natural formal deformation quantization (star product) can be obtained via Berezin-Toeplitz operators. Results on their semi-classical behaviour (their asymptotic…

Quantum Algebra · Mathematics 2007-05-23 Martin Schlichenmaier

We deform the group of Hamiltonian diffeomorphisms into the group of Hamiltonian automorphisms of a formal star product on a symplectic manifold. We study the geometry of that group and deform the Flux morphism in the framework of…

Symplectic Geometry · Mathematics 2016-09-21 Laurent La Fuente-Gravy

We present a deformed star-product for a particle in the presence of a magnetic monopole. The product is obtained within a self-dual quantization-dequantization scheme, with the correspondence between classical observables and operators…

Mathematical Physics · Physics 2014-11-20 J. F. Carinena , J. M. Gracia-Bondia , Fedele Lizzi , Giuseppe Marmo , Patrizia Vitale
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