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arXiv 0801.2205math.RAmath.RT
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扭Schrödinger-Virasoro李代数上具有非线性权空间的不可约权模的分类

Classification of Irreducible Weight Modules with a Finite-dimensional Weight Space over the Twisted Schrödinger-Virasoro Lie algebra

Junbo Li, Yucai Su

摘要:

证明了Schrödinger-Virasoro李代数上具有无限维权空间的不可约权模的支集与权格一致,并且这种模的所有非平凡权空间都是无限维的.作为副积,得到了有限维权空间上的Schrödinger-Virasoro李代数上的每个单权模都是Harish-Chandra模.

英文摘要:

It is shown that the support of an irreducible weight module over the Schrödinger-Virasoro Lie algebra with an infinite-dimensional weight space, coincides with the weight lattice and that all nontrivial weight spaces of such a module are infinite-dimensional. As a side-product, it is obtained that every simple weight module over the Schrödinger-Virasoro Lie algebra with a nontrivial finite-dimensional weight space, is a Harish-Chandra module.

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