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We give an explicit construction of a deformation quantization of the algebra of functions on a Poisson manifolds, based on Kontsevich's local formula. The deformed algebra of functions is realized as the algebra of horizontal sections of a…

Quantum Algebra · Mathematics 2008-01-29 Alberto S. Cattaneo , Giovanni Felder , Lorenzo Tomassini

This paper develops an approach to categorical deformation quantization via factorization homology. We show that a quantization of the local coefficients for factorization homology is equivalent to consistent quantizations of its value on…

Quantum Algebra · Mathematics 2026-04-01 Eilind Karlsson , Corina Keller , Lukas Müller , Ján Pulmann

We develop a new approach to deformation quantizations of Lie bialgebras and Poisson structures which goes in two steps. In the first step one associates to any Poisson (resp. Lie bialgebra) structure a so called quantizable Poisson (resp.…

Quantum Algebra · Mathematics 2016-12-02 Sergei Merkulov , Thomas Willwacher

We introduce categories of weak factorization algebras and factorization spaces, and prove that they are equivalent to the categories of ordinary factorization algebras and spaces, respectively. This allows us to define the pullback of a…

Algebraic Geometry · Mathematics 2019-11-06 Emily Cliff

We canonically quantize a Poisson manifold to a Lie 2-groupoid, complete with a quantization map, and show that it relates geometric and deformation quantization: the perturbative expansion in $\hbar$ of the (formal) convolution of two…

Symplectic Geometry · Mathematics 2024-04-15 Joshua Lackman

We present the method for finding of the nonlinear Poisson-Lie groups structures on the vector spaces and for their quantization. For arbitrary central extension of Lie algebra explicit formulas of quantization are proposed.

High Energy Physics - Theory · Physics 2009-10-22 A. A. Balinsky

Poisson algebra is usually defined to be a commutative algebra together with a Lie bracket, and these operations are required to satisfy the Leibniz rule. We describe Poisson structures in terms of a single bilinear operation. This enables…

Rings and Algebras · Mathematics 2007-09-04 Michel Goze , Elisabeth Remm

We consider a general formalism for treating a Hamiltonian (canonical) field theory with a spatial boundary. In this formalism essentially all functionals are differentiable from the very beginning and hence no improvement terms are needed.…

High Energy Physics - Theory · Physics 2009-10-31 K. Bering

We classify the centers of the quantized Weyl algebras that are PI and derive explicit formulas for the discriminants of these algebras over a general class of polynomial central subalgebras. Two different approaches to these formulas are…

Rings and Algebras · Mathematics 2016-07-15 Jesse Levitt , Milen Yakimov

By using cocycle deformation, we construct a certain class of Hopf algebras, containing the quantized enveloping algebras and their analogues, from what we call pre-Nichols algebras. Our construction generalizes in some sense the known…

Quantum Algebra · Mathematics 2008-12-12 Akira Masuoka

Let $G$ be a Poisson Lie group and $\g$ its Lie bialgebra. Suppose that $\g$ is a group Lie bialgebra. This means that there is an action of a discrete group $\Gamma$ on $G$ deforming the Poisson structure into coboundary equivalent ones.…

Quantum Algebra · Mathematics 2007-05-23 Gilles Halbout , Xiang Tang

Certain quantization problems are equivalent to the construction of morphisms from "quantum" to "classical" props. Once such a morphism is constructed, Hensel's lemma shows that it is in fact an isomorphism. This gives a new, simple proof…

Quantum Algebra · Mathematics 2007-05-23 B. Enriquez , P. Etingof

The present paper is devoted to the complete classification of $4$-dimensional complex Poisson algebras, taking into account a classification, up to isomorphism, of the complex commutative associative algebras of dimension $4$, as well as…

Representation Theory · Mathematics 2025-08-14 Hani Abdelwahab , José María Sánchez

Star products on the classical double group of a simple Lie group and on corresponding symplectic grupoids are given so that the quantum double and the "quantized tangent bundle" are obtained in the deformation description. "Complex"…

High Energy Physics - Theory · Physics 2009-10-22 B. Jurco

Continuous formal deformations of the Poisson superbracket defined on compactly supported smooth functions on n-dimensional space taking values in a Grassmann algebra with m generating elements are described up to an equivalence…

High Energy Physics - Theory · Physics 2007-05-23 S. E. Konstein , I. V. Tyutin

We call a finite-dimensional complex Lie algebra $\mathfrak{g}$ strongly rigid if its universal enveloping algebra $\Ug$ is rigid as an associative algebra, i.e. every formal associative deformation is equivalent to the trivial deformation.…

Rings and Algebras · Mathematics 2007-05-23 M. Bordemann , A. Makhlouf , T. Petit

We give an $L_\infty$-interpretation of the classification, obtained in [AP2], of the formal deformations of a family of exact Poisson structures in dimension three. We indeed obtain again the explicit formulas for all the formal…

Quantum Algebra · Mathematics 2010-05-18 Anne Pichereau

A few generalizations of a Poisson algebra to field theory canonically formulated in terms of the polymomentum variables are discussed. A graded Poisson bracket on differential forms and an $(n+1)$-ary bracket on functions are considered.…

High Energy Physics - Theory · Physics 2009-10-30 I. V. Kanatchikov

We propose a definition of deformed symmetrizable generalized Cartan matrices with several deformation parameters, which admit a categorical interpretation by graded modules over the generalized preprojective algebras in the sense of…

Representation Theory · Mathematics 2024-02-06 Ryo Fujita , Kota Murakami

We consider a class of homogeneous manifolds including all semisimple coadjoint orbits. We describe manifolds of that class admitting deformation q uantizations equivariant under the action of $G$ and the corresponding quantum group. We…

Quantum Algebra · Mathematics 2009-11-07 Joseph Donin , Vadim Ostapenko