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We examine shifted symplectic and Poisson structures on spaces of framed maps. We prove some results about shifted Poisson structures analogous to those in existing ones about symplectic structures. Then, we consider the space Map(X,D,Y) of…

Algebraic Geometry · Mathematics 2016-07-14 Theodore Spaide

Given a differential graded Lie algebra (dgla) L satisfying certain conditions, we construct Poisson structures on the gauge orbits of its set of Maurer-Cartan (MC) elements, termed Maurer-Cartan-Poisson (MCP) structures. They associate a…

Differential Geometry · Mathematics 2022-03-07 Thomas Machon

In this paper we propose the notion of a transposed Poisson superalgebra. We prove that a transposed Poisson superalgebra can be constructed by means of a commutative associative superalgebra and an even degree derivation of this algebra.…

High Energy Physics - Theory · Physics 2023-11-07 Viktor Abramov , Olga Liivapuu

We formulate a notion of $E_{-1}$ quantisation of $(-2)$-shifted Poisson structures on derived algebraic stacks, depending on a flat right connection on the structure sheaf, as solutions of a quantum master equation. We then parametrise…

Algebraic Geometry · Mathematics 2020-12-04 J. P. Pridham

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

Oscillator Lie algebras are the only non commutative solvable Lie algebras which carry a bi-invariant Lorentzian metric. In this paper, we determine all the Poisson structures, and in particular, all symmetric Leibniz algebra structures…

Rings and Algebras · Mathematics 2020-10-28 Helena Albuquerque , Elisabete Barreiro , Saïd Benayadi , Mohamed Boucetta , José M. Sánchez

Various coordinate rings of varieties appearing in the theory of Poisson Lie groups and Poisson homogeneous spaces belong to the large, axiomatically defined class of symmetric Poisson nilpotent algebras, e.g. coordinate rings of Schubert…

Commutative Algebra · Mathematics 2018-01-24 K. R. Goodearl , M. T. Yakimov

In this paper we classify symplectic leaves of the regular part of the projectivization of the space of meromorphic endomorphisms of a stable vector bundle on an elliptic curve, using the study of shifted Poisson structures on the moduli of…

Algebraic Geometry · Mathematics 2017-12-06 Zheng Hua , Alexander Polishchuk

We give a construction of a Poisson transform mapping density valued differential forms on generalized flag manifolds to differential forms on the corresponding Riemannian symmetric spaces, which can be described entirely in terms of finite…

Differential Geometry · Mathematics 2017-01-25 Christoph Harrach

We compute 1/2-derivations on the extended Schr\"odinger-Virasoro algebras and the original deformative Schr\"odinger-Virasoro algebras. The extended Schr\"odinger-Virasoro algebras have neither nontrivial 1/2-derivations nor nontrivial…

Rings and Algebras · Mathematics 2024-08-27 Zarina Shermatova

We present the classical Poisson-Lichnerowicz cohomology for the Poisson algebra of polynomials $\mathbb{C}[X_{1},..., X_{n}]$ using exterior calculus. After presenting some non homogeneous Poisson brackets on this algebra, we compute…

Rings and Algebras · Mathematics 2009-11-18 Nicolas Goze

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

In this paper, we determine the isomorphism classes of the central simple Poisson algebras introduced earlier by the second author. The Lie algebra structures of these Poisson algebras are in general not finitely-graded.

Quantum Algebra · Mathematics 2007-05-23 Yucai Su , Xiaoping Xu

In this paper, we introduce the definition of transposed Novikov-Poisson algebras, whose affinization are transposed Poisson algebras. Moreover, we show that there is a natural transposed Poisson algebra structure on the tensor product of a…

Rings and Algebras · Mathematics 2026-02-16 Jiarou Jin , Yanyong Hong

Double (quasi-)Poisson brackets were introduced on associative algebras by Van den Bergh to induce a (quasi-)Poisson structure on their representation spaces naturally equipped with a $\mathrm{GL}$-action (type $\mathtt{A}$). If there…

Representation Theory · Mathematics 2026-05-25 Semeon Arthamonov , Maxime Fairon

This is a report on recent progress concerning the interactions between derived algebraic geometry and deformation quantization. We present the notion of derived algebraic stacks, of shifted symplectic and Poisson structures, as well as the…

Algebraic Geometry · Mathematics 2014-04-11 Bertrand Toen

We define Poisson structures on certain transversal slices to conjugacy classes in complex simple algebraic groups introduced in arXiv:0809.0205. These slices are associated to the elements of the Weyl group, and the Poisson structures on…

Representation Theory · Mathematics 2014-07-01 A. Sevostyanov

The general expression for the bicovariant bracket for odd generators of the external algebra on a Poisson-Lie group is given. It is shown that the graded Poisson-Lie structures derived before for $GL(N)$ and $SL(N)$ are the special cases…

High Energy Physics - Theory · Physics 2009-10-28 G. E. Arutyunov , P. B. Medvedev

The Lie algebra of pseudodifferential symbols on the circle has a nontrivial central extension (by the ``logarithmic'' 2-cocycle) generalizing the Virasoro algebra. The corresponding extended subalgebra of integral operators generates the…

High Energy Physics - Theory · Physics 2008-02-03 Boris Khesin , Ilya Zakharevich

Motivated by the universal obstruction to the deformation quantization of Poisson structures in infinite dimensions we introduce the notion of quantizable odd Lie bialgebra. The main result of the paper is a construction of a highly…

Quantum Algebra · Mathematics 2016-08-24 Anton Khoroshkin , Sergei Merkulov , Thomas Willwacher