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【期刊论文】Structure of contact Lie algebras related to locally-finite derivations
苏育才, Yucai Su
manuscripta math. 112, 231-257 (2003),-0001,():
-1年11月30日
In this paper, we determine the isomorphism classes of contact simple Lie algebras constructed from locally-finite commuting derivations, introduced earlier by the second author. These algebras are in general not finitely graded.
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苏育才, Yucai Su* Jiangfeng Zhang Kaiming Zhao
Math. Nachr. 246-247 (2002), 188-201,-0001,():
-1年11月30日
The present paper is another step toward the classification of Z × Z–graded Lie algebras: we classify Z × Z–graded Lie algebras A =⊕i,j∈Z Ai,j over a field F of characteristic 0 with dimAi,j ≤ 1 for i, j ∈ Z, satisfying: (1) A0 = ⊕t∈Z Ai,0 Vir, the centerless Virasoro algebra, (2) A0,−1, A0,0, A0,1 span the 3-dimensional simple Lie algebra sl2, (3) A is generated by the centerless Virasoro algebra and sl2. These algebras include some rank 2 centerless Virasoro algebras, and some rank 2 Block algebras and their extensions.
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【期刊论文】Classification of derivation-simple color algebras related to locally finite derivations
苏育才, Yucai Su Kaiming Zhao Linsheng Zhu
J. Math. Phys., Vol. 45, No.1, January 2004,-0001,():
-1年11月30日
We classify the pairs (A,D) consisting of an (e,ſ)-color-commutative associative algebra A with an identity element over an algebraically closed field F of characteristic zero and a finite dimensional subspace D of (e,ſ)-color-commutative locally finite color-derivations of A such that A is G-graded D-simple and the eigenspaces for elements of D are G-graded. Such pairs are the important ingredients in constructing some simple Lie color algebras which are in general not finitely-graded. As some applications, using such pairs, we construct new explicit simple Lie color algebras of generalized Witt type, Weyl type.
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苏育才, 徐晓平
中国科学(A辑),2003,33(6):570~586,-0001,():
-1年11月30日
确定了特征0的代数闭域上与局部有限导子相关的中心单Poisson代数的结构。这些Poisson代数的Lie代数结构一般来说不是有限阶化的。
Posson 代数 局部有限算子 导子 有限阶化 同构类
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【期刊论文】Isomorphism classes and automorphism groups of algebras of Weyl type
苏育才, SU Yucai & ZHAO kaiming
SCIENCE IN CHINA, 2002, 45 (8): 953~963,-0001,():
-1年11月30日
n one of our recent papers, the associative and the Lie algebras of Weyl type A[D] = AUF[D] were de ned and studied, where A is a commutative associative algebra with an identity element over a eld F of any characteristic, and F[D] is the polynomial algebra of a commutative derivation subalgebra D of A. In the present paper, a class of the above associative and Lie algebras A[D] with F being a eld of characteristic 0, D consisting of locally nite but not locally nilpotent derivations of A, are studied. The isomorphism classes and automorphism groups of these associative and Lie algebras are determined.
simple Lie algebra,, simple associative algebra,, derivation,, isomorphism class,, auto-morphism group.,
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