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【期刊论文】Toroidal李代数上的Poisson代数结构***
靳全勤, 靳全勤*, 佟洁**
数学年刊,2006,27A(1):1~14,-0001,():
-1年11月30日
非交换的Poisson代数同时具有结合代数和李代数两种代数结构,而结合代数和李代数之间满足所谓的Leibniz法则。本文确定了Toroidal李代数上所有的Poisson代数结构,推广了仿射Kac Moody代数上相应的结论。
Toroidal李代数, Poisson代数, Leibniz法则
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靳全勤
数学学报,2000,43(2):239~244,-0001,():
-1年11月30日
本文首先给出齐性空间均Cartan嵌入的概念,然后利用孕群、李代数的自14构理论,决定了使其Cartan嵌入是极小的那些紧致黎曼4-对称空间。
Caftan嵌入, 4-对称空间, 极小性, 孕代数的Weyl基
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【期刊论文】On Outer Automorphisms of Affine Lie Algebras#
靳全勤, Quanqin Jin*
COMMUNICATIONS IN ALGEBRA 32 (5) 1847-1853, 2004,-0001,():
-1年11月30日
This note deals with the classification of finite order outer automorphisms of affine Lie algebras. It heavily relies on our previous paper [Jin, Q., Zhang, Z. (2001). On automorphisms of affine Kac-Moody algebras. Comm. Algebra 29 (7): 2827-2858], and is a continuation of or complementary to Jin and Zhang.
Affine Lie algebras, Outer automorphisms.,
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【期刊论文】Classification of Low Dimensional Lie Bialgebras
靳全勤, Quanqin Jin*
COMMUNICATIONS IN ALGEBRA 31 (11) 5481-5499, 2003,-0001,():
-1年11月30日
In this note, we classify the Lie bialgebras L with dimL 3. Among these Lie bialgebras, we determine those coboundary and triangular ones.
Lie bialgebras, Triangular(, coboundary), Lie bialgebras.,
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【期刊论文】ON AUTOMORPHISMS OF AFFINE KAC-MOODY ALGEBRAS
靳全勤, Quanqin Jin, and Zhixue Zhang
COMMUNICATIONS IN ALGEBRA, 29 (7), 2827-2858 (2001),-0001,():
-1年11月30日
In this paper, we first give some properties of automorphisms of affine Kac-Moody algebras. Then we present a classification of order three automorphisms. An explicit, complete and non-redundant set of conjugacy classes of order 3 automorphisms is given and the fixed point sets are computed for each conjugacy class. Finally we study finite order inner automorphisms of the first kind. For a positive integerm, we identify the order m automorphisms with sequences of non-negative integers and give an explicit classification. As a consequence, we list the conjugacy classes of lower order automorphisms.
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