Results 91 to 100 of about 14,501 (209)

From Quantum AN to E8 Trigonometric Model: Space-of-Orbits View

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2013
A number of affine-Weyl-invariant integrable and exactly-solvable quantum models with trigonometric potentials is considered in the space of invariants (the space of orbits).
Alexander V. Turbiner
doaj   +1 more source

Universal enveloping algebras of Poisson Hopf algebras

open access: yesJournal of Algebra, 2015
37 pages.
Lü, Jiafeng   +2 more
openaire   +2 more sources

Crystalizing theq-analogue of universal enveloping algebras

open access: yesCommunications in Mathematical Physics, 1990
Let \(U_ q\) denote the quantized enveloping algebra over \({\mathbb{Q}}(q)\) associated to a symmetrizable Kac-Moody algebra \({\mathfrak g}\). For any integrable \(U_ q\)-module M the author defines a crystal base for M to be a pair (L,B) consisting of a lattice L of M and a \({\mathbb{Q}}\)-basis B of L/qL with certain nice properties.
openaire   +3 more sources

Universal Enveloping Algebras of Weighted Differential Poisson Algebras

open access: yes
The $λ$-differential operators and modified $λ$-differential operators are generalizations of classical differential operators. This paper introduces the notions of $λ$-differential Poisson ($λ$-DP for short) algebras and modified $λ$-differential Poisson ($λ$-mDP for short) algebras as generalizations of differential Poisson algebras.
Chen, Ying   +2 more
openaire   +2 more sources

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