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Given a mechanical system $(M, \mathcal{F}(M))$, where $M$ is a Poisson manifold and $\mathcal{F}(M)$ the algebra of regular functions on $M$, it is important to be able to quantize it, in order to obtain more precise results than through…

Mathematical Physics · Physics 2008-12-18 Frédéric Butin

We develop the theory of Berezin-Toeplitz operator on any compact symplectic prequantizable manifold from scratch. Our main inspiration is the Boutet de Monvel-Guillemin theory, that we simplify in several ways to obtain a concise…

Differential Geometry · Mathematics 2017-06-22 Laurent Charles

Using the formalism of quantizers and dequantizers, we show that the characters of irreducible unitary representations of finite and compact groups provide kernels for star products of complex-valued functions of the group elements.…

Mathematical Physics · Physics 2009-06-19 P. Aniello , A. Ibort , V. Man'ko , G. Marmo

Given a formal symplectic groupoid $G$ over a Poisson manifold $(M, \pi_0)$, we define a new object, an infinitesimal deformation of $G$, which can be thought of as a formal symplectic groupoid over the manifold $M$ equipped with an…

Quantum Algebra · Mathematics 2015-05-19 Alexander Karabegov

For a K\"ahler manifold $X$ equipped with a prequantum line bundle $L$, we give a geometric construction of a family of representations of the Berezin-Toeplitz deformation quantization algebra $(C^\infty(X)[[\hbar]],\star_{BT})$…

Quantum Algebra · Mathematics 2022-10-26 Kwokwai Chan , Naichung Conan Leung , Qin Li

We develop an approach to the deformation quantization on the real plane with an arbitrary Poisson structure which based on Weyl symmetrically ordered operator products. By using a polydifferential representation for deformed coordinates…

High Energy Physics - Theory · Physics 2008-12-18 V. G. Kupriyanov , D. V. Vassilevich

In these lecture notes I give an introduction to deformation quantization. The quantization problem is discussed in some detail thereby motivating the notion of star products. Starting from a deformed observable algebra, i.e. the star…

High Energy Physics - Theory · Physics 2007-05-23 Stefan Waldmann

We develop a calculus of Berezin-Toeplitz operators quantizing exotic classes of smooth functions on compact K\"ahler manifolds and acting on holomorphic sections of powers of positive line bundles. These functions (classical observables)…

Complex Variables · Mathematics 2025-03-12 Izak Oltman

In this paper, we study Toeplitz operators on generalized flag manifolds of compact Lie groups using a representation-theoretic point of view. We prove several basic properties of these Toeplitz operators, including an abstract formula for…

Representation Theory · Mathematics 2025-02-14 Matthew Dawson , Yessica Hernández-Eliseo

We give an explicit local formula for any formal deformation quantization, with separation of variables, on a K\"ahler manifold. The formula is given in terms of differential operators, parametrized by acyclic combinatorial graphs.

Mathematical Physics · Physics 2014-08-21 Niels Leth Gammelgaard

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

We show how combinatorial star products can be used to obtain strict deformation quantizations of polynomial Poisson structures on $\mathbb R^d$, generalizing known results for constant and linear Poisson structures to polynomial Poisson…

Quantum Algebra · Mathematics 2023-03-27 Severin Barmeier , Philipp Schmitt

We use recent progress on Chern-Simons gauge theory in three dimensions [18] to give explicit, closed form formulas for the star product on some functions on the affine space ${\mathcal A}(\Sigma)$ of (smooth) connections on the trivialized…

Differential Geometry · Mathematics 2025-02-07 Jonathan Weitsman

We give an elementary proof of the result by Leichtnam, Tang, and Weinstein that there exists a deformation quantization with separation of variables on a complex manifold endowed with a Kaehler-Poisson structure vanishing on a Levi…

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

For a real symmetric domain $G_{\mathbb R}/K_{\mathbb R}$, with complexification $G_{\mathbb C}/K_{\mathbb C}$, we introduce the concept of "star-restriction" (a real analogue of the "star-products" for quantization of K\"ahler manifolds)…

Mathematical Physics · Physics 2009-02-23 Miroslav Englis , Harald Upmeier

In this paper, we characterise compactness of finite sums of finite products of Toeplitz operators acting on the $\mathbb{C}^{d}$-valued weighted Bergman Space, denoted $A_{\alpha}^{p}(\mathbb{B}_{n},\mathbb{C}^{d})$. The main result shows…

Classical Analysis and ODEs · Mathematics 2014-07-22 Robert S. Rahm

We discuss the Quantum-Koszul method for constructing star products on reduced phase spaces in the symplectic, regular case. It is shown that the reduction method proposed by Kowalzig, Neumaier and Pflaum for cotangent bundles is a special…

Mathematical Physics · Physics 2011-03-04 Dominic Maier

Contrary to the classical methods of quantum mechanics, the deformation quantization can be carried out on phase spaces which are not even topological manifolds. In particular, the Moyal star product gives rise to a canonical functor $F$…

Quantum Algebra · Mathematics 2009-10-31 S. A. Merkulov

This paper is devoted to the use of half-form bundles in the symbolic calculus of Berezin-Toeplitz operators on Kahler manifolds. We state the Bohr-Sommerfeld conditions and relate them to the functional calculus of Toeplitz operators, a…

Symplectic Geometry · Mathematics 2007-05-23 L. Charles

We consider the following construction of quantization. For a Riemannian manifold $M$ the space of forms on $T^*M$ is made into a space of (full) symbols of operators acting on forms on $M$. This gives rise to the composition of symbols,…

Differential Geometry · Mathematics 2019-01-08 Theodore Voronov