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New trigonometric and rational solutions of the quantum Yang-Baxter equation (QYBE) are obtained by applying some singular gauge transformations to the known Belavin-Drinfeld elliptic R-matrix for $sl(2,\mathbb{C})$. These solutions are…

Mathematical Physics · Physics 2018-02-14 Andrey Smirnov

Generalized affine Grassmannian slices provide geometric realizations for weight spaces of representations of semisimple Lie algebras. They are also Coulomb branches, symplectic dual to Nakajima quiver varieties. In this paper, we prove…

Representation Theory · Mathematics 2022-01-19 Joel Kamnitzer , Khoa Pham , Alex Weekes

The goal of this paper is to generalize a statement by Drinfeld, asserting that Yangians can be constructed as limit forms of the quantum loop algebras, to the super case. We establish a connection between quantum loop superalgebra and…

Quantum Algebra · Mathematics 2024-04-18 Hongda Lin , Yongjie Wang , Honglian Zhang

We prove that the Yangian associated to an untwisted symmetric affine Kac-Moody Lie algebra is isomorphic to the Drinfeld double of a shuffle algebra. The latter is constructed by the authors in arXiv:1407.7994 as an algebraic formalism of…

Representation Theory · Mathematics 2018-04-13 Yaping Yang , Gufang Zhao

We review the Yang-Baxterization process of braid group representations. We discuss the corresponding $n$-CB algebras in the Yang-Baxterization process. We present diagrams of the relations for the $4$-CB algebras. These relations are…

Mathematical Physics · Physics 2023-05-05 Cansu Özdemir , Ilmar Gahramanov

In this work we consider colour-ordered correlation functions of the fields in integrable planar gauge theories such as N=4 supersymmetric Yang-Mills theory with the aim to establish Ward-Takahashi identities corresponding to Yangian…

High Energy Physics - Theory · Physics 2018-08-22 Niklas Beisert , Aleksander Garus

Truncated shifted Yangians are a family of algebras which naturally quantize slices in the affine Grassmannian. These algebras depend on a choice of two weights $\lambda$ and $\mu$ for a Lie algebra $\mathfrak{g}$, which we will assume is…

Representation Theory · Mathematics 2020-01-08 Joel Kamnitzer , Peter Tingley , Ben Webster , Alex Weekes , Oded Yacobi

We study a class of algebras B(n,l) associated with integrable models with boundaries. These algebras can be identified with coideal subalgebras in the Yangian for gl(n). We construct an analog of the quantum determinant and show that its…

Quantum Algebra · Mathematics 2009-11-07 A. I. Molev , E. Ragoucy

Braided algebras are algebraic structures consisting of an algebra endowed with a Yang-Baxter operator, satisfying some compatibility conditions.Yang-Baxter Hochschild cohomology was introduced by the authors to classify infinitesimal…

Quantum Algebra · Mathematics 2025-02-25 Masahico Saito , Emanuele Zappala

We study the equivariant homology of the generalized Steinberg variety of type C and show that there exists a surjective algebra homomorphism from the twisted Yangian of type $\AIII_{2n}^{(\tau)}$ to it.

Representation Theory · Mathematics 2026-03-31 Changjian Su , Yang Yang

Take the matrix Lie superalgebra $gl_{N|N}$ with the standard generators $E_{ij}$ where $i,j=-N,...,-1,1,...,N$. Define an involutive automorphism of $gl_{N|N}$ by sending $E_{ij}$ to $E_{-i,-j}$. Then the corresponding twisted subalgebra…

Quantum Algebra · Mathematics 2009-10-31 Maxim Nazarov

We introduce the $h$-adic quantum vertex algebras associated with the rational $R$-matrix in types $B$, $C$ and $D$, thus generalizing the Etingof--Kazhdan's construction in type $A$. Next, we construct the algebraically independent…

Quantum Algebra · Mathematics 2019-10-21 Marijana Butorac , Naihuan Jing , Slaven Kožić

We define quantum determinants in Quantum Matrix Algebras, related to couples of compatible braidings following the scheme from [G]. We establish relations between these determinants and the so-called column-(row-)determinants, often used…

Quantum Algebra · Mathematics 2020-12-25 Dimitri Gurevich , Pavel Saponov

Using vertex operators, we build representations of the Yangian of a simply laced Kac-Moody algebra and of its double. As a corollary, we prove the PBW property for simply laced affine Yangians.

Representation Theory · Mathematics 2019-10-01 Nicolas Guay , Vidas Regelskis , Curtis Wendlandt

A general scheme of construction of Drinfeldians and Yangians from quantum non-twisted affine Kac-Moody algebras is presented. Explicit description of Drinfeldians and Yangians for all Lie algebras of the classical series A, B, C, D are…

Quantum Algebra · Mathematics 2007-05-23 V. N. Tolstoy

The generalized Sutherland-Romer models and Yan models with internal spin degrees are formulated in terms of the Polychronakos' approach and RTT relation associated to the Yang-Baxter equation in consistent way. The Yangian symmetry is…

Condensed Matter · Physics 2009-10-28 Mo-lin Ge , Yiwen Wang

The Yangian of the strange Lie superalgebras in Drinfel'd realization is defined. The current system generators and defining relations are described.

Quantum Algebra · Mathematics 2008-04-24 Vladimir Stukopin

Integrable field theories exhibit infinitely many symmetries which underlie their solvability, but the structure of these symmetries can become obscured after performing an integrable deformation such as $\TT$ or an auxiliary field…

High Energy Physics - Theory · Physics 2026-05-19 Daniele Bielli , Christian Ferko , Michele Galli , Gabriele Tartaglino-Mazzucchelli

The decompositions of the Fock and Basic modules of the affine Lie algebra \hat{sl(N)} into irreducible submodules of the Yangian algebra Y(gl(N)) are constructed. Each of the irreducible submodules admits the unique up to normalization…

q-alg · Mathematics 2008-02-03 Denis Uglov

We prove that the singularities of the $R$-matrix $R(k)$ of the minimal quantization of the adjoint representation of the Yangian $Y(\mathfrak g)$ of a finite dimensional simple Lie algebra $\mathfrak g$ are the opposite of the roots of the…

Representation Theory · Mathematics 2021-05-06 Victor G. Kac , Pierluigi Moseneder Frajria , Paolo Papi