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Quantizations of the Extended Affine Lie Algebra Sl2(Cq) 被引量:1
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作者 Ying Xu Junbo Li 《Algebra Colloquium》 SCIE CSCD 2015年第4期581-602,共22页
In this paper, the extended affine Lie algebra sl2(Cq) is quantized from three different points of view, which produces three non-commutative and non-cocommutative Hopf algebra structures, and yields other three qua... In this paper, the extended affine Lie algebra sl2(Cq) is quantized from three different points of view, which produces three non-commutative and non-cocommutative Hopf algebra structures, and yields other three quantizations by an isomorphism of sl2 (Cq) correspondingly. Moreover, two of these quantizations can be restricted to the extended affine Lie algebra sl2(Cq). 展开更多
关键词 quantizations lie bialgebras Drinfel'd twists extended affine lie algebra
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NON-COMMUTATIVE POISSON ALGEBRA STRUCTURES ON LIE ALGEBRA sl_n(_q) WITH NULLITY M 被引量:3
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作者 佟洁 靳全勤 《Acta Mathematica Scientia》 SCIE CSCD 2013年第5期1485-1498,共14页
Non-commutative Poisson algebras are the algebras having both an associa- tive algebra structure and a Lie algebra structure together with the Leibniz law. In this paper, the non-commutative poisson algebra structures... Non-commutative Poisson algebras are the algebras having both an associa- tive algebra structure and a Lie algebra structure together with the Leibniz law. In this paper, the non-commutative poisson algebra structures on the Lie algebras sln(Cq^-) are determined. 展开更多
关键词 extended affine lie algebras Poisson algebras Leibniz law
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A class of irreducible modules for the extended affne Lie algebra ■ 被引量:1
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作者 ZENG ZiTing 《Science China Mathematics》 SCIE 2011年第6期1089-1099,共11页
We construct a class of modules for extended affine Lie algebra gl l(Cq) by using the free fields. A necessary and sufficient condition is given for those modules being irreducible.
关键词 extended affine lie algebra free fields irreducible modules
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Twisted toroidal Lie algebras and Moody-Rao-Yokonuma presentation 被引量:1
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作者 Fulin Chen Naihuan Jing +1 位作者 Fei Kong Shaobin Tan 《Science China Mathematics》 SCIE CSCD 2021年第6期1181-1200,共20页
Let g be a(twisted or untwisted)affine Kac-Moody algebra,and μ be a diagram automorphism of g.In this paper,we give an explicit realization for the universal central extensionˆg[μ]of the twisted loop algebra of g wi... Let g be a(twisted or untwisted)affine Kac-Moody algebra,and μ be a diagram automorphism of g.In this paper,we give an explicit realization for the universal central extensionˆg[μ]of the twisted loop algebra of g with respect toμ,which provides a Moody-Rao-Yokonuma presentation for the algebraˆg[μ]whenμis non-transitive,and the presentation is indeed related to the quantization of twisted toroidal Lie algebras. 展开更多
关键词 Moody-Rao-Yokonuma presentation loop algebra universal central extension extended affine lie algebra
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Constructing irreducible integrable modules for extended baby TKK algebra
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作者 CHANG XueWu CHEN FuLin TAN ShaoBin 《Science China Mathematics》 SCIE 2012年第12期2417-2432,共16页
In this paper, we give explicit realizations for the irreducible integrable modules, which were clas- sified in Chang and Tan [Pacific J Math, 2011, 252: 293-312], of the extended baby TKK algebra. Moreover, condition... In this paper, we give explicit realizations for the irreducible integrable modules, which were clas- sified in Chang and Tan [Pacific J Math, 2011, 252: 293-312], of the extended baby TKK algebra. Moreover, conditions for these modules to be unitary are determined. 展开更多
关键词 TKK algebra extended affine lie algebra integrable module unitary module
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A class of Lie algebras arising from intersection matrices
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作者 Li-meng XIA Naihong HU 《Frontiers of Mathematics in China》 SCIE CSCD 2015年第1期185-198,共14页
We find a class of Lie algebras, which are defined from the symmetrizable generalized intersection matrices. However, such algebras are different from generalized intersection matrix algebras and intersection matrix a... We find a class of Lie algebras, which are defined from the symmetrizable generalized intersection matrices. However, such algebras are different from generalized intersection matrix algebras and intersection matrix algebras. Moreover, such Lie algebras generated by semi-positive definite matrices can be classified by the modified Dynkin diagrams. 展开更多
关键词 Intersection matrices extended affine lie algebra generator classification
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