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Given a holomorphic Hermitian vector bundle and a star-product with separation of variables on a pseudo-Kaehler manifold, we construct a star product on the sections of the endomorphism bundle of the dual bundle which also has the…

Quantum Algebra · Mathematics 2015-06-16 Alexander Karabegov

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

Fedosov used flat sections of the Weyl bundle on a symplectic manifold to construct a star product $\star$ which gives rise to a deformation quantization. By extending Fedosov's method, we give an explicit, analytic construction of a sheaf…

Differential Geometry · Mathematics 2021-12-06 Kwokwai Chan , Naichung Conan Leung , Qin Li

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

Given a star product with separation of variables on a pseudo-Kaehler manifold, we obtain a new formal (1,1)-form from its classifying form and call it the phase form of the star product. The cohomology class of a star product with…

Quantum Algebra · Mathematics 2016-03-23 Alexander Karabegov

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 give a simple geometric description of all formal deformation quantizations on a K\"ahler manifold $M$ which enjoy the following property of separation of variables into holomorphic and antiholomorphic ones. For each open subset…

High Energy Physics - Theory · Physics 2015-04-21 Karabegov Alexander

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

A coordinate-free definition for Wick-type symbols is given for symplectic manifolds by means of the Fedosov procedure. The main ingredient of this approach is a bilinear symmetric form defined on the complexified tangent bundle of the…

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

This talk reports on results on the deformation quantization (star products) and on approximative operator representations for quantizable compact K"ahler manifolds obtained via Berezin-Toeplitz operators. After choosing a holomorphic…

q-alg · Mathematics 2008-02-03 Martin Schlichenmaier

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 give a complete identification of the deformation quantization which was obtained from the Berezin-Toeplitz quantization on an arbitrary compact Kaehler manifold. The deformation quantization with the opposite star-product proves to be a…

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

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

We construct deformation quantizations with separation of variables on a split super-K\"ahler manifold and describe their canonical supertrace densities.

Quantum Algebra · Mathematics 2016-06-07 Alexander Karabegov

We give explicit expressions of a deformation quantization with separation of variables for CP^N and CH^N. This quantization method is one of the ways to perform a deformation quantization of Kahler manifolds, which is introduced by…

Mathematical Physics · Physics 2015-06-04 Akifumi Sako , Toshiya Suzuki , Hiroshi Umetsu

The Fedosov deformation quantization of the symplectic manifold is determined by a 1-form differential r. We identify a class of r for which the $\star$ product becomes the Moyal product by taking appropriate Darboux coordinates, but…

High Energy Physics - Theory · Physics 2009-11-07 Shogo Aoyama , Takahiro Masuda

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

This dissertation is an exposition of Kontsevich's proof of the formality theorem and the classification of deformation quantisation on a Poisson manifold. We begin with an account of the physical background and introduce the Weyl-Moyal…

Mathematical Physics · Physics 2022-07-19 Peize Liu

Generalizing deformation quantizations with separation of variables of a K\"ahler manifold $M$, we adopt Fedosov's gluing argument to construct a category $\mathsf{DQ}$, enriched over sheaves of $\mathbb{C}[[\hbar]]$-modules on $M$, as a…

Symplectic Geometry · Mathematics 2024-11-22 YuTung Yau

We give a complex two-dimensional noncommutative locally symmetric K\"{a}hler manifold via a deformation quantization with separation of variables. We present an explicit formula of its star product by solving the system of recurrence…

Differential Geometry · Mathematics 2024-03-12 Taika Okuda , Akifumi Sako
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