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The covariant descripion is constructed for the Wick-type symbols on symplectic manifolds by means of the Fedosov procedure. The geometry of the manifolds admitting this symbol is explored. The superextended version of the Wick-type…

High Energy Physics - Theory · Physics 2007-05-23 V. A. Dolgushev , S. L. Lyakhovich , A. A. Sharapov

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

In this letter we compute some elementary properties of the Fedosov star product of Weyl type, such as symmetry and order of differentiation. Moreover, we define the notion of a star product of Wick type on every K\"ahler manifold by a…

q-alg · Mathematics 2008-02-03 M. Bordemann , S. Waldmann

The description of all deformation quantizations with separation of variables on a Kaehler manifold obtained in our earlier paper is used to identify the Fedosov star-product of Wick type constructed by M. Bordemann and S. Waldmann. This…

Quantum Algebra · Mathematics 2007-05-23 Alexander V. Karabegov

We study formal and non-formal deformation quantizations of a family of manifolds that can be obtained by phase space reduction from $\mathbb{C}^{1+n}$ with the Wick star product in arbitrary signature. Two special cases of such manifolds…

Quantum Algebra · Mathematics 2021-08-20 Philipp Schmitt , Matthias Schötz

In this paper we construct star products on a pseudo-K\"ahler manifold $(M,\omega,I)$ using a modification of the Fedosov method based on a different fibrewise product similar to the Wick product on $\mathbb C^n$. In a first step we show…

Quantum Algebra · Mathematics 2009-11-07 Nikolai Neumaier

B. Fedosov has given a simple and very natural construction of a deformation quantization for any symplectic manifold, using a flat connection on the bundle of formal Weyl algebras associated to the tangent bundle of a symplectic manifold.…

High Energy Physics - Theory · Physics 2009-09-25 Claudio Emmrich , Alan Weinstein

In this paper we give a construction of Fedosov quantization incorporating the odd variables and an analogous formula to Getzler's pseudodifferential calculus composition formula is obtained. A Fedosov type connection is constructed on the…

Differential Geometry · Mathematics 2012-11-09 Camilo Mesa

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

A simple geometric procedure is proposed for constructing Wick symbols on cotangent bundles to Riemannian manifolds. The main ingredient of the construction is a method of endowing the cotangent bundle with a formal K\"ahler structure. The…

High Energy Physics - Theory · Physics 2009-11-10 I. V. Gorbunov , S. L. Lyakhovich , A. A. Sharapov

A geometric derivation of $W_\infty$ Gravity based on Fedosov's deformation quantization of symplectic manifolds is presented. To lowest order in Planck's constant it agrees with Hull's geometric formulation of classical nonchiral…

High Energy Physics - Theory · Physics 2015-06-26 Carlos Castro

Fedosov's simple geometrical construction for deformation quantization of symplectic manifolds is generalized in three ways without introducing new variables: (1) The base manifold is allowed to be a supermanifold. (2) The star product does…

Quantum Algebra · Mathematics 2009-03-25 Klaus Bering

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

We extend our investigations on $\mathfrak g$-invariant Fedosov star products and quantum momentum mappings \cite{MN03a} to star products of Wick type on pseudo-K\"ahler manifolds. Star products of Wick type can be completely characterized…

Quantum Algebra · Mathematics 2007-05-23 Michael F. Mueller-Bahns , Nikolai Neumaier

We construct a Wick-type deformation quantization of contact metric manifolds. The construction is fully canonical and involves no arbitrary choice. Unlike the case of symplectic or Poisson manifolds, not every classical observable on a…

Mathematical Physics · Physics 2023-11-22 Boris M. Elfimov , Alexey A. Sharapov

In this paper, the notion of star products with separation of variables on a Kahler manifold is extended to bimodule deformations of (anti-) holomorphic vector bundles over a Kahler manifold. Here the Fedosov construction is appropriately…

Quantum Algebra · Mathematics 2009-11-07 Nikolai Neumaier , Stefan Waldmann

We study symplectic manifolds $(M^{2l},\omega)$ equipped with a symplectic torsion-free affine (also called Fedosov) connection $\nabla$ and admitting a metaplectic structure. Let $\mathcal{S}$ be the so called symplectic spinor bundle and…

Differential Geometry · Mathematics 2015-11-17 Svatopluk Krýsl

Results on symplectic spinors and their higher spin versions, concerning representation theory and cohomology properties are presented. Exterior forms with values in the symplectic spinors are decomposed into irreducible modules including…

Differential Geometry · Mathematics 2017-08-08 Svatopluk Krýsl

We describe the deformation cohomology of a symplectic groupoid, and use it to study deformations via Moser path methods, proving a symplectic groupoid version of the Moser Theorem. Our construction uses the deformation cohomologies of Lie…

Differential Geometry · Mathematics 2021-03-26 Cristian Camilo Cárdenas , João Nuno Mestre , Ivan Struchiner

The necessary and sufficient conditions are established for the second-class constraint surface to be (an almost) K\"ahler manifold. The deformation quantisation for such systems is scetched resulting in the Wick-type symbols for the…

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