Zero product determined Lie algebras
Zero product determined Lie algebras
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零积确定的李代数
DOI:
10.1007/s40879-018-0225-1
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发表时间:
2016-10
影响因子:
0.6
通讯作者:
Kaiming Zhao
中科院分区:
文献类型:
--
作者:
Matej Brešar;Xiangqian Guo;Genqiang Liu;Rencai Lu;Kaiming Zhao
A Lie algebra L over a field F F is said to be zero product determined (zpd) if every bilinear map with the property that f (x, y)= 0 f (x, y)= 0, whenever x and y commute, is a coboundary. The main goal of the paper is to determine whether or not some important Lie algebras are zpd. We show that the Galilei Lie algebra, where V is a simple sl _2 sl 2-module, is zpd if and only if\dim V= 2 dim V= 2 or\dim V dim V is odd. The class of zpd Lie algebras also includes the quantum torus Lie algebras L _q L q and L^+ _q L q+, the untwisted affine Lie algebras, the Heisenberg Lie algebras, and all Lie algebras of dimension at most 3, while the class of non-zpd Lie algebras includes the (4-dimensional) aging Lie algebra and all Lie algebras of dimension more than 3 in which only linearly dependent elements commute. We also give some evidence of the usefulness of the concept of zpd Lie algebra by using it in the study of commutativity preserving linear maps.
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