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We construct different integrable generalizations of the massive Thirring equations corresponding loop algebras $\widetilde{\mathfrak{g}}^{\sigma}$ in different gradings and associated ''triangular'' $R$-operators. We consider the most…

Exactly Solvable and Integrable Systems · Physics 2008-12-19 Taras V. Skrypnyk

In this paper, we first construct the free Rota-Baxter family algebra generated by some set $X$ in terms of typed angularly $X$-decorated planar rooted trees. As an application, we obtain a new construction of the free Rota-Baxter algebra…

Rings and Algebras · Mathematics 2020-05-01 Yuanyuan Zhang , Xing Gao , Dominique Manchon

The ``$D$'' matrices for all states of the two fundamental representations and octet are shown in the generalized Euler angle parameterization. The raising and lowering operators are given in terms of linear combinations of the left…

Mathematical Physics · Physics 2008-11-26 Mark S. Byrd , E. C. G. Sudarshan

Differential operators and integral operators are linked together by the first fundamental theorem of calculus. Based on this principle, the notion of a differential Rota-Baxter algebra was proposed by Guo and Keigher from an algebraic…

Rings and Algebras · Mathematics 2023-08-02 Huizhen Qiu , Shanghua Zheng , Yangfan Dan

This paper studies Rota-Baxter operators on the matrix $C^*$-algebra $M_n(\mathbb{C})$, motivated by the discrete Toeplitz algebra (whose role is purely heuristic; see Remark~\ref{rem:toeplitz_scope}). We provide a structural classification…

Rings and Algebras · Mathematics 2026-05-12 Marwa Ennaceur

We construct Baxter operators as generalized transfer matrices being traces of products of generic $R$ matrices. The latter are shown to factorize into simpler operators allowing for explicit expressions in terms of functions of a Weyl pair…

High Energy Physics - Theory · Physics 2009-11-11 S. Derkachov , D. Karakhanyan , R. Kirschner

This paper analyses the workspace of the three-revolute orthogonal manipulators that have at least one of their DH parameters equal to zero. These manipulators are classified into different groups with similar kinematic properties. The…

Robotics · Computer Science 2007-07-25 Mazen Zein , Philippe Wenger , Damien Chablat

An important instance of Rota-Baxter algebras from their quantum field theory application is the ring of Laurent series with a suitable projection. We view the ring of Laurent series as a special case of generalized power series rings with…

Rings and Algebras · Mathematics 2013-02-05 Li Guo , Zhongkui Liu

In this paper, first we introduce the notion of a twisted Rota-Baxter operator on a 3-Lie algebra $\g$ with a representation on $V$. We show that a twisted Rota-Baxter operator induces a 3-Lie algebra structure on $V$, which represents on…

Rings and Algebras · Mathematics 2022-03-23 Shuai Hou , Yunhe Sheng

In this paper, we introduce the notions of quasi-triangular and factorizable dendriform D-bialgebras. A factorizable dendriform D-bialgebra leads to a factorization of the underlying dendriform algebra. We show that the dendriform double of…

Rings and Algebras · Mathematics 2025-07-04 You Wang

In this paper, first, we introduce a notion of modified Rota-Baxter Lie algebras of weight $\mathrm{\lambda}$ with derivations (or simply modified Rota-Baxter LieDer pairs) and their representations. Moreover, we investigate cohomologies of…

Rings and Algebras · Mathematics 2024-04-16 Imed Basdouri , Sami Benabdelhafidh , Mohamed Amin Sadraoui

This paper presents a cohomological study of modified Rota-Baxter associative algebras in the presence of derivations. The Modified Rota-Baxter operator, which is a modified version and closely related to the classical Rota-Baxter operator,…

Rings and Algebras · Mathematics 2024-06-26 Imed Basdouri , Sami Benabdelhafidh , Mohamed Amin Sadraoui , Ripan Saha

We develop Yang-Baxter integrability structures connected with the quantum affine superalgebra Uq(\hat sl(2|1)). Baxter's Q-operators are explicitly constructed as supertraces of certain monodromy matrices associated with (q-deformed)…

High Energy Physics - Theory · Physics 2009-01-23 Vladimir V. Bazhanov , Zengo Tsuboi

In this paper, we firstly construct an $L_\infty[1]$-algebra via the method of higher derived brackets, whose Maurer-Cartan elements correspond to relative $\Omega$-family Rota-Baxter algebras structures of weight $\lambda$. For a relative…

Rings and Algebras · Mathematics 2023-04-11 Chao Song , Kai Wang , Yuanyuan Zhang

We introduce the notion of quasi-triangular Leibniz bialgebras, which can be constructed from solutions of the classical Leibniz Yang-Baxter equation (CLYBE) whose skew-symmetric parts are invariant. In addition to triangular Leibniz…

Quantum Algebra · Mathematics 2024-10-07 Chengming Bai , Guilai Liu , Yunhe Sheng , Rong Tang

An operator system modulo the kernel of a completely positive linear map of the operator system gives rise to an operator system quotient. In this paper, operator system quotients and quotient maps of certain matrix algebras are considered.…

Operator Algebras · Mathematics 2011-07-25 Douglas Farenick , Vern I. Paulsen

Spin raising and lowering operators for massless field equations constructed from twistor spinors are considered. Solutions of the spin-$\frac{3}{2}$ massless Rarita-Schwinger equation from source-free Maxwell fields and twistor spinors are…

High Energy Physics - Theory · Physics 2018-09-19 Özgür Açık , Ümit Ertem

We consider irreducible cyclic representations of the algebra of monodromy matrices corresponding to the R-matrix of the six-vertex model. In roots of unity the Baxter Q-operator can be represented as a trace of a tensor product of…

High Energy Physics - Theory · Physics 2007-05-23 A. A. Belavin , A. V. Odesskii , R. A. Usmanov

In this paper, we study spectrums of Schauder operators. We show that we always can choose a Schauder operator in a given orbit such that the Schauder spectrum of it is empty.

Functional Analysis · Mathematics 2012-04-20 Yang Cao , Geng Tian , Bingzhe Hou

We will introduce an associative (or quantum) version of Poisson structure tensors. This object is defined as an operator satisfying a "generalized" Rota-Baxter identity of weight zero. Such operators are called generalized Rota-Baxter…

Quantum Algebra · Mathematics 2009-11-13 Kyousuke Uchino