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Quotients and comprehension are fundamental mathematical constructions that can be described via adjunctions in categorical logic. This paper reveals that quotients and comprehension are related to measurement, not only in quantum logic,…

Logic in Computer Science · Computer Science 2015-11-06 Kenta Cho , Bart Jacobs , Bas Westerbaan , Bram Westerbaan

We review recent results and ongoing investigations of the symplectic and Poisson geometry of derived moduli spaces, and describe applications to deformation quantization of such spaces.

Algebraic Geometry · Mathematics 2016-03-10 T. Pantev , G. Vezzosi

Using the curved bc-beta-gamma system (a tensor product of a Heisenberg and a Clifford vertex algebra) we introduce quantum analogy of Lichnerowicz differential. As follows we suggest new machinery for finding the Lichnerowicz-Poisson…

Quantum Algebra · Mathematics 2021-08-17 Valerii Sopin

The orientation morphism $Or(\cdot)(P)\colon \gamma\mapsto\dot{P}$ associates differential-polynomial flows $\dot{P}=Q(P)$ on spaces of bi-vectors $P$ on finite-dimensional affine manifolds $N^d$ with (sums of) finite unoriented graphs…

Combinatorics · Mathematics 2021-07-23 Arthemy V. Kiselev , Ricardo Buring

We classify real Poisson structures on complex toric manifolds of type $(1,1)$ and initiate an investigation of their Poisson cohomology. For smooth toric varieties, such structures are necessarily algebraic and are homogeneous quadratic in…

Differential Geometry · Mathematics 2017-04-07 Arlo Caine , Berit Nilsen Givens

In this paper we introduce the concept of Hamiltonian system in the canonical and Poisson settings. We will discuss the quantization of the Hamiltonian systems in the Poisson context, using formal deformation quantization and quantum group…

Mathematical Physics · Physics 2015-02-27 Chiara Esposito

Starting with the well-defined product of quantum fields at two spacetime points, we explore an associated Poisson structure for classical field theories within the deformation quantization formalism. We realize that the induced…

High Energy Physics - Theory · Physics 2016-07-13 Jasel Berra-Montiel , Alberto Molgado , César D. Palacios-García

We present a formal, algebraic treatment of Fedosov's argument that the coordinate algebra of a symplectic manifold has a deformation quantization. His remarkable formulas are established in the context of affine symplectic algebras.

Symplectic Geometry · Mathematics 2007-05-23 Daniel R. Farkas

In the present review we provide an extensive analysis of the intertwinement between Feynman integrals and cohomology theories in the light of the recent developments. Feynman integrals enter in several perturbative methods for solving non…

High Energy Physics - Theory · Physics 2021-10-26 Sergio Luigi Cacciatori , Maria Conti , Simone Trevisan

Using the Poisson bracket method, we derive continuum equations for a fluid of deformable particles in two dimensions. Particle shape is quantified in terms of two continuum fields: an anisotropy density field that captures the deformations…

Soft Condensed Matter · Physics 2021-04-07 Arthur Hernandez , M. Cristina Marchetti

We present twelve numerical methods for evaluation of objects and concepts from Poisson geometry. We describe how each method works with examples, and explain how it is executed in code. These include methods that evaluate Hamiltonian and…

Differential Geometry · Mathematics 2021-08-03 M. Evangelista-Alvarado , J. C. Ruíz-Pantaleón , P. Suárez-Serrato

We answer some enumerative questions about irreducible rational curves on Hirzebruch surfaces, by combining an idea of Kontsevich with the study of the geometry of certain natural parameter spaces. Our formulas generalize Kontsevich's…

alg-geom · Mathematics 2008-02-03 Lucia Caporaso , Joe Harris

We introduce a noncommutative Poisson random measure on a von Neumann algebra. This is a noncommutative generalization of the classical Poisson random measure. We call this construction Poissonization. Poissonization is a functor from the…

Operator Algebras · Mathematics 2023-03-28 Yidong Chen , Marius Junge

We construct a method to obtain the algebraic classification of Poisson algebras defined on a commutative associative algebra, and we apply it to obtain the classification of the $3$-dimensional Poisson algebras. In addition, we study the…

Rings and Algebras · Mathematics 2022-09-20 Hani Abdelwahab , Amir Fernández Ouaridi , Cándido Martín González

It is known that solutions of the Knizhnik-Zamolodchikov differential equations are given by integrals of closed differential forms over suitable cycles. In this paper a quantization of this geometric construction is described leading to…

q-alg · Mathematics 2008-02-03 Alexander Varchenko

We give a new characterization of generalized K\"ahler structures in terms of their corresponding complex Dirac structures. We then give an alternative proof of Hitchin's partial unobstructedness for holomorphic Poisson structures. Our main…

Differential Geometry · Mathematics 2018-07-26 Marco Gualtieri

We introduce and study suitable Poisson structures for four dimensional maps derived as lifts and specific periodic reductions of integrable lattice equations. These maps are Poisson with respect to these structures and the corresponding…

Exactly Solvable and Integrable Systems · Physics 2015-06-23 Theodoros E. Kouloukas , Dinh T. Tran

Noncommutative or `quantum' differential geometry has emerged in recent years as a process for quantizing not only a classical space into a noncommutative algebra (as familiar in quantum mechanics) but also differential forms, bundles and…

Quantum Algebra · Mathematics 2014-10-31 Edwin J. Beggs , Shahn Majid

We study Poisson structures over singular varieties. In this purpose, we consider the Koszul complex associated to the equations of a complete intersection. This complex forms a differential graded algebra which is equivalent to the algebra…

Rings and Algebras · Mathematics 2007-05-23 Benoit Fresse

On logarithmic paper some real algebraic curves look like smoothed broken lines. Moreover, the broken lines can be obtained as limits of those curves. The corresponding deformation can be viewed as a quantization, in which the broken line…

Algebraic Geometry · Mathematics 2007-05-23 Oleg Viro