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arXiv 1102.4966math.RT
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关于标准Whittaker(g,K)-模的合成列

On the composition series of the standard Whittaker (g,K)-modules

Kenji Taniguchi

摘要:

对于实约化线性李群G,Whittaker函数空间是由Iwasawa幂零子群的非退化酉特征标导出的表示空间。定义了标准Whittaker(g,K)-模,它们是Whittaker函数空间的K-容许子模。我们首先确定的结构时,他们的无穷小字符表征他们是通用的。作为积分情形的一个例子,当G是群U(n,1)且无穷小特征标是正则积分时,我们确定了标准Whittaker(g,K)-模的合成列.

英文摘要:

For a real reductive linear Lie group G, the space of Whittaker functions is the representation space induced from a non-degenerate unitary character of the Iwasawa nilpotent subgroup. Defined are the standard Whittaker (g,K)-modules, which are K-admissible submodules of the space of Whittaker functions. We first determine the structures of them when the infinitesimal characters characterizing them are generic. As an example of the integral case, we determine the composition series of the standard Whittaker (g,K)-module when G is the group U(n,1) and the infinitesimal character is regular integral.

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