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The Berezin-Lieb inequalities provide upper and lower bounds for a partition function based on phase space integrals that involve the Glauber-Sudarshan and Husimi representations, respectively. Generalizations of these representations have…

Quantum Physics · Physics 2011-06-30 John R. Klauder , Bo-Sture K. Skagerstam

Quantum harmonic analysis on phase space is shown to be linked with localization operators. The convolution between operators and the convolution between a function and an operator provide a conceptual framework for the theory of…

Functional Analysis · Mathematics 2017-10-17 Franz Luef , Eirik Skrettingland

For the Weyl-Heisenberg group, convolutions between functions and operators were defined by Werner as a part of a framework called quantum harmonic analysis. We show how recent results by Feichtinger can be used to extend this definition to…

Functional Analysis · Mathematics 2024-10-11 Hans G. Feichtinger , Simon Halvdansson , Franz Luef

Phase operators are constructed using a Klauder-Berezin coherent state quantization in finite Hilbert subspaces of the Hilbert space of Fourier series. The study of infinite dimensional limits of mean values of some observables phase leads…

Quantum Physics · Physics 2016-08-16 Pedro L. García de León , Jean-Pierre Gazeau

This article is a review on Berezin-Toeplitz operator and Berezin-Toeplitz deformation quantization for compact quantizable Kaehler manifolds. The basic objects, concepts, and results are given. This concerns the correct semi-classical…

Quantum Algebra · Mathematics 2014-11-20 Martin Schlichenmaier

We present a N-dimensional quantization a la Berezin-Klauder or frame quantization of the complex plane based on overcomplete families of states (coherent states) generated by the N first harmonic oscillator eigenstates. The spectra of…

Quantum Physics · Physics 2011-11-09 Jean-Pierre Gazeau , François-Xavier Josse-Michaux , Pascal Monceau

We present an original approach to quantization based on operator-valued measure that generalizes the so-called Berezin-Klauder-Toeplitz quantization, and more generally coherent state quantization approches.

Mathematical Physics · Physics 2020-01-08 Laure Gouba

We present an approach to Berezin quantization (a variant of quantization in the spirit of Berezin) on para-Hermitian symmetric spaces using the notion of an "overgroup". This approach gives covariant and contravariant symbols and the…

Representation Theory · Mathematics 2023-12-21 V. F. Molchanov

We survey geometric quantization of finite dimensional affine Kahler manifolds. Its corresponding prequantization and the Berezin's deformation quantization formulation, as proposed by Cahen et al., is used to quantize their corresponding…

High Energy Physics - Theory · Physics 2007-05-23 Iliana Carrillo-Ibarra , Hugo Garcia-Compean

We construct a general quantization procedure for square integrable functions on well-behaved connected exponential Lie groups. The Lie groups in question should admit at least one co-adjoint orbit of maximal possible dimension. The…

Functional Analysis · Mathematics 2025-02-26 Stine Marie Berge , Simon Halvdansson

While dealing with a class of generalized Bergman spaces on the unit ball, we construct for each of these spaces a set of coherent states to apply a coherent states quantization method. This provides us with another way to recover the…

Functional Analysis · Mathematics 2012-05-08 A. Boussejra , Z. Mouayn

Berezin and Weyl quantization are renown procedures for mapping, commutative Poisson algebras of observables to their non-commutative, quantum counterparts. The latter is famous for its use on Weyl algebras, while the former is more…

Mathematical Physics · Physics 2025-08-29 Lorenzo Pettinari

Over the last 25 years, the notion of "fuzzy spaces" has become ubiquitous in the high-energy physics literature. These are finite dimensional noncommutative approximations of the algebra of functions on a classical space. The most well…

Operator Algebras · Mathematics 2009-06-11 Jeremy Sain

For phase-space manifolds which are compact Kaehler manifolds relations between the Berezin-Toeplitz quantization and the quantization with the help of Berezin's coherent states and symbols are studied. First the results on the…

Quantum Algebra · Mathematics 2016-09-07 Martin Schlichenmaier

We investigate a class of operators resulting from a quantization scheme attributed to Berezin. These so-called Berezin-Toeplitz operators are defined on a Hilbert space of square-integrable holomorphic sections in a line bundle over the…

Mathematical Physics · Physics 2009-11-07 Bernhard G. Bodmann

We introduce a new class of operators, called Berezin sectorial operators, which generalizes classical sectorial operators. We provide examples on the Hardy-Hilbert space showing that there exist operators that are Berezin sectorial but not…

Functional Analysis · Mathematics 2026-01-07 Saikat Mahapatra , Sweta Mukherjee , Anirban Sen , Riddhick Birbonshi , Kallol Paul

We extend the notions of quantum harmonic analysis, as introduced in R. Werner's paper from 1984 (J. Math. Phys. 25(5)), to abelian phase spaces, by which we mean a locally compact abelian group endowed with a Heisenberg multiplier. In this…

Functional Analysis · Mathematics 2024-12-17 Robert Fulsche , Niklas Galke

The consequences for Berezin's quantization on symmetric spaces of the identity of the set of coherent vectors orthogonal to a fixed one with the cut locus are stated precisely. It is shown that functions expressing the coherent states, the…

dg-ga · Mathematics 2009-10-30 S. Berceanu

In this article, we completely characterize the Berezin range of Toeplitz operators with harmonic symbols acting on weighted Bergman spaces, illustrating the necessity of the harmonicity condition through examples. We then introduce a new…

Functional Analysis · Mathematics 2025-06-05 Anirban Sen , Somdatta Barik , Kallol Paul

In this lecture results on the Berezin-Toeplitz quantization of arbitrary compact quantizable Kaehler manifolds are presented. These results are obtained in joint work with M. Bordemann and E. Meinrenken. The existence of the…

Quantum Algebra · Mathematics 2017-08-23 Martin Schlichenmaier
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