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We introduce the notion of a $\theta$-almost twisted Poisson structure on manifolds, which involves incorporating a closed $1$-form $\theta$ into twisted Poisson structures under specific conditions. We provide a characterization of this…

Differential Geometry · Mathematics 2025-09-12 Nasser Saipele Nansidi , Bertuel Tangue Ndawa , Joseph Dongho

We consider the space of bilinear forms on a complex N-dimensional vector space endowed with the quadratic Poisson bracket studied in our previous paper arXiv:1012.5251. We classify all possible quadratic brackets on the set of pairs of…

Quantum Algebra · Mathematics 2015-03-23 Leonid Chekhov , Marta Mazzocco

In this paper we construct a Poisson algebra bundle whose distributional sections are suitable to represent multilocal observables in classical field theory. To do this, we work with vector bundles over the unordered configuration space of…

Mathematical Physics · Physics 2026-05-12 Alessandra Frabetti , Olga Kravchenko , Leonid Ryvkin

We define prequantization for Dirac manifolds to generalize known procedures for Poisson and (pre) symplectic manifolds by using characteristic distributions obtained from 2-cocycles associated to Dirac structures. Given a Dirac manifold…

Symplectic Geometry · Mathematics 2015-12-25 Yuji Hirota

For a complex semi-simple group G and its real form G0 we define a Poisson structure on the flag variety of G such that all the Bruhat cells (for a suitable choice of a Borel subgroup of G) as well as all the G0-orbits are Poisson…

Symplectic Geometry · Mathematics 2007-05-23 Philip Foth , Jiang-Hua Lu

We introduce scattering-symplectic manifolds, manifolds with a type of minimally degenerate Poisson structure that is not too restrictive so as to have a large class of examples, yet restrictive enough for standard Poisson invariants to be…

Symplectic Geometry · Mathematics 2021-01-27 Melinda Lanius

Symplectic and Poisson structures of certain moduli spaces/Huebschmann,J./ Abstract: Let $\pi$ be the fundamental group of a closed surface and $G$ a Lie group with a biinvariant metric, not necessarily positive definite. It is shown that a…

High Energy Physics - Theory · Physics 2008-02-03 Johannes Huebschmann

For a class of symplectic manifolds, we introduce a functional which assigns a real number to any pair of continuous functions on the manifold. This functional has a number of interesting properties. On the one hand, it is Lipschitz with…

Symplectic Geometry · Mathematics 2007-07-15 Michael Entov , Leonid Polterovich , Frol Zapolsky

We give an algebraic construction of connection on the symplectic leaves of Poisson manifold, introduced in \cite{Ginzburg}. This construction is suitable for the definition of the linearized holonomy on a regular symplectic foliation.

Symplectic Geometry · Mathematics 2011-11-10 Zakaria Giunashvili

Superintegrable systems on a symplectic manifold conventionally are considered. However, their definition implies a rather restrictive condition 2n=k+m where 2n is a dimension of a symplectic manifold, k is a dimension of a pointwise Lie…

Mathematical Physics · Physics 2017-04-26 A. Kurov , G. Sardanashvily

We develop here a simple quantisation formalism that make use of Lie algebra properties of the Poisson bracket. When the brackets $\{H,\phi_i\}$ and $\{\phi_i,\phi_j\}$, where $H$ is the Hamiltonian and $\phi_i$ are primary and secondary…

Quantum Physics · Physics 2007-05-23 Petre Diţă

We construct a corank one Poisson manifold which is of strong compact type, i.e., the associated Lie algebroid structure on its cotangent bundle is integrable, annd the source 1-conected (symplectic) integration is compact. The construction…

Differential Geometry · Mathematics 2018-07-31 David Martínez Torres

In this paper we study associative algebras with a Poisson algebra structure on the center acting by derivations on the rest of the algebra. These structures, which we call Poisson fibred algebras, appear in the study of quantum groups at…

q-alg · Mathematics 2008-02-03 Nicolai Reshetikhin , Alexander A. Voronov , Alan Weinstein

Since a Poisson Structure is a smooth bivector field, we use a ring-valued sheaf $\OO_{X}$ on a manifold with corners $X$, we can interpret $\OO_{X}(U)$ as the ring of admissible smooth functions where $U$ is an open subset on $X$, in this…

Algebraic Geometry · Mathematics 2016-01-05 Joel Antonio-Vásquez

We study the Poisson geometrical formulation of quantum mechanics for finite dimensional mixed and pure states. Equivalently, we show that quantum mechanics can be understood in the language of classical mechanics. We review the symplectic…

Quantum Physics · Physics 2024-06-04 Pritish Sinha , Ankit Yadav

Given a symplectic form and a pseudo-riemannian metric on a manifold, a non degenerate even Poisson bracket on the algebra of differential forms is defined and its properties are studied. A comparison with the Koszul-Schouten bracket is…

Mathematical Physics · Physics 2018-05-29 Juan Monterde , José Antonio Vallejo

We present a general definition of the Poisson bracket between differential forms on the extended multiphase space appearing in the geometric formulation of first order classical field theories and, more generally, on exact multisymplectic…

Mathematical Physics · Physics 2009-11-07 Michael Forger , Cornelius Paufler , Hartmann Roemer

We introduce a new class of Poisson structures on a Riemannian manifold. A Poisson structure in this class will be called a Killing-Poisson structure. The class of Killing-Poisson structures contains the class of symplectic structures, the…

Symplectic Geometry · Mathematics 2007-05-23 M. Boucetta

The main purpose of the paper is to study hyperkahler structures from the viewpoint of symplectic geometry. We introduce a notion of hypersymplectic structures which encompasses that of hyperkahler structures. Motivated by the work of…

dg-ga · Mathematics 2008-02-03 Ping Xu

Given an open cover of a closed symplectic manifold, consider all smooth partitions of unity consisting of functions supported in the covering sets. The Poisson bracket invariant of the cover measures how much the functions from such a…

Symplectic Geometry · Mathematics 2018-03-26 Lev Buhovsky , Alexander Logunov , Shira Tanny