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Toda systems and exponents of simple Lie groups [PDF]

open access: greenBulletin des Sciences Mathématiques, 2001
The authors study some aspects of the Bogoyavlensky Toda systems of \(A_n\), \(B_n\) and \(C_n\) types. The results include master symmetries, recursion operators, higher Poisson brackets and invariants presented both in Flaschka's and in natural coordinates.
Joana M. Nunes da Costa   +1 more
openalex   +6 more sources

GROUP GRADINGS ON FINITARY SIMPLE LIE ALGEBRAS [PDF]

open access: yesInternational Journal of Algebra and Computation, 2012
We classify, up to isomorphism, all gradings by an arbitrary abelian group on simple finitary Lie algebras of linear transformations (special linear, orthogonal and symplectic) on infinite-dimensional vector spaces over an algebraically closed field of characteristic different from 2.
Mikhail Kochetov   +3 more
openaire   +5 more sources

Orthogonal Polynomials of Compact Simple Lie Groups [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2011
Recursive algebraic construction of two infinite families of polynomials in n variables is proposed as a uniform method applicable to every semisimple Lie group of rank n.
Maryna Nesterenko   +2 more
doaj   +5 more sources

Taut representations of compact simple Lie groups [PDF]

open access: bronzeIllinois Journal of Mathematics, 2008
In this paper we classify the reducible representations of compact simple Lie groups all of whose orbits are tautly embedded in Euclidean space with respect to Z_2 coefficients.
Cláudio Gorodski
openalex   +5 more sources

On discretization of tori of compact simple Lie groups [PDF]

open access: greenJournal of Physics A: Mathematical and Theoretical, 2009
22 pages, 6 ...
Jiří Hrivnák, J. Patera
openalex   +5 more sources

Cohomology of simple modules for sl3(k) in characteristic 3 [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2021
In this paper we calculate cohomology of a classical Lie algebra of type A2 over an algebraically field k of characteristic p = 3 with coefficients in simple modules. To describe their structure we will consider them as modules over an algebraic
A.A. Ibrayeva
doaj   +3 more sources

On Cohomology of Simple Modules for Modular Classical Lie Algebras

open access: yesAxioms, 2022
In this article, we obtain some cohomology of classical Lie algebras over an algebraically closed field of characteristic p>h, where h is a Coxeter number, with coefficients in simple modules.
Sherali S. Ibraev   +2 more
doaj   +1 more source

Einstein warped product spaces on Lie groups

open access: yesCubo, 2022
We consider a compact Lie group with bi-invariant metric, coming from the Killing form. In this paper, we study Einstein warped product space, $M = M_1 \times_{f_1} M_2$ for the cases, $(i)$ $M_1$ is a Lie group $(ii)$ $M_2$ is a Lie group and $(iii ...
Buddhadev Pal   +2 more
doaj   +1 more source

On Restricted Cohomology of Modular Classical Lie Algebras and Their Applications

open access: yesMathematics, 2022
In this paper, we study the restricted cohomology of Lie algebras of semisimple and simply connected algebraic groups in positive characteristics with coefficients in simple restricted modules and their applications in studying the connections between ...
Sherali S. Ibraev   +2 more
doaj   +1 more source

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