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This paper is a survey article on bi-Hamiltonian systems on the dual of the Lie algebra of vector fields on the circle. We investigate the special case where one of the structures is the canonical Lie-Poisson structure and the second one is…

Mathematical Physics · Physics 2007-09-03 Boris Kolev

We address the question of duality for the dynamical Poisson groupoids of Etingof and Varchenko over a contractible base. We also give an explicit description for the coboundary case associated with the solutions of the classical dynamical…

Differential Geometry · Mathematics 2007-05-23 Luen-Chau Li , Serge Parmentier

We introduce algebroid desingularizable Poisson manifolds, a class of Poisson manifolds induced by symplectic Lie algebroids with almost-injective anchors, generalizing structures including log-symplectic, $b^m$-symplectic, $E$-symplectic…

Differential Geometry · Mathematics 2026-05-22 Shane Rankin

The symmetric algebra g (denoted S(\g)) over a Lie algebra \g (frak g) has the structure of a Poisson algebra. Assume \g is complex semi-simple. Then results of Fomenko- Mischenko (translation of invariants) and A.Tarasev construct a…

Symplectic Geometry · Mathematics 2015-05-13 Bertram Kostant

We describe the formulation of Fukaya categories of symplectic manifolds with $B$-fields. In addition, we give a formula for how the $A_\infty$ structure maps change as we deform an object by a Lagrangian isotopy.

Symplectic Geometry · Mathematics 2025-10-31 Haniya Azam , Catherine Cannizzo , Heather Lee , Chiu-Chu Melissa Liu

The multiplicative structure of the trivial symplectic groupoid over $\mathbb R^d$ associated to the zero Poisson structure can be expressed in terms of a generating function. We address the problem of deforming such a generating function…

Symplectic Geometry · Mathematics 2015-06-26 Alberto S. Cattaneo , Benoit Dherin , Giovanni Felder

In this work we study a particular class of Lie bialgebras arising from Hermitian structures on Lie algebras such that the metric is ad-invariant. We will refer to them as Lie bialgebras of complex type. These give rise to Poisson Lie…

Differential Geometry · Mathematics 2007-05-23 A. Andrada , M. L. Barberis , G. Ovando

There is a well-established procedure of assigning a strong homotopy Lie algebra of local observables to a multisymplectic manifold which can be regarded as part of a categorified Poisson structure. For a 2-plectic manifold, the resulting…

High Energy Physics - Theory · Physics 2015-07-06 Patricia Ritter , Christian Saemann

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 study polynomial Poisson algebras with some regularity conditions. Linear (Lie-Berezin-Kirillov) structures on dual spaces of semi-simple Lie algebras, quadratic Sklyanin elliptic algebras of \cite{FO1},\cite{FO2} as well as polynomial…

Quantum Algebra · Mathematics 2007-05-23 A. Odesskii , V. Rubtsov

In this paper we classify all four dimensional real Lie bialgebras of symplectic type. The classical r- matrices for these Lie bialgebras and Poisson structures on all of the related four dimensional Poisson-Lie groups are also obtained.…

Mathematical Physics · Physics 2024-09-11 J. Abedi-Fardad , A. Rezaei-Aghdam , Gh. Haghighatdoost

The moduli space of $G$-bundles on an elliptic curve with additional flag structure admits a Poisson structure. The bivector can be defined using double loop group, loop group and sheaf cohomology constructions. We investigate the links…

Algebraic Geometry · Mathematics 2007-11-17 David Balduzzi

Let M be a smooth, simply-connected, closed oriented manifold, and LM the free loop space of M. Using a Poincare duality model for M, we show that the reduced equivariant homology of LM has the structure of a Lie bialgebra, and we construct…

Algebraic Topology · Mathematics 2015-05-13 Xiaojun Chen , Farkhod Eshmatov , Wee Liang Gan

We introduce a commutative product of degree $-n$ on the homology $H_\ast(X)$ of an $n$-dimensional special cubical set $X$ and lift it on the free loop homology $H_\ast(\Lambda M)$ for $M=|X|$ to be the geometric realization. These…

Algebraic Topology · Mathematics 2026-04-09 Samson Saneblidze

We conjecture the existence of a `compactified' version of Fukaya's homology for symplectic manifolds, which carries a canonical 2-Gerstenhaber algebra structure. This may help to understand the 2-Lie algebra structure involved in models…

Mathematical Physics · Physics 2014-05-20 Jack Morava

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

This is the second paper of a series dedicated to the study of Poisson structures of compact types (PMCTs). In this paper, we focus on regular PMCTs, exhibiting a rich transverse geometry. We show that their leaf spaces are integral affine…

Differential Geometry · Mathematics 2019-10-16 Marius Crainic , Rui Loja Fernandes , David Martinez-Torres

Given a simply connected manifold M such that its cochain algebra, C^\star(M), is a pure Sullivan dga, this paper considers curved deformations of the algebra C_\star({\Omega}M) and consider when the category of curved modules over these…

Mathematical Physics · Physics 2012-08-27 Daniel Pomerleano

We compute the Poisson cohomology of the linear Poisson structure dual to the n-dimensional "book" Lie algebra, defined by [e_0,e_i]=e_i, [e_i,e_j]=0, for i,j=1,...,n-1.

Symplectic Geometry · Mathematics 2026-03-19 Henrique Bursztyn , Hudson Lima

We discuss double Poisson structures in sense of M. Van den Bergh on free associative algebras focusing on the case of quadratic Poisson brackets. We establish their relations with an associative version of Young-Baxter equations, we study…

Exactly Solvable and Integrable Systems · Physics 2012-08-15 A. Odesskii , V. Rubtsov , V. Sokolov
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