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arXiv 0902.4620math.RT
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某些互补级数的离散分量

Discrete Components of Some Complementary Series

T. N. Venkataramana, B. Speh

摘要:

我们证明了SO(n,1)的补级数表示包含SO(m,1)的离散补级数,只要连续参数足够接近约化的第一点,并且Levi的紧部分的表示是一个足够小的基本表示.作为结果,我们证明了SO(n,1)的度$i$小于m/2的上同调表示包含离散的SO(m,1)的上同调表示。

英文摘要:

We show that complementary series representations of SO(n,1) contain discretely complementary series of SO(m,1) provided the continuous parameter is sufficiently close to the first point of reducibility and the representation of the compact part of the Levi is a sufficiently small fundamental representation. We prove as a consequence that cohomological representations of SO(n,1) of degree $i$ less than m/2 contain discretely, cohomogical representations of SO(m,1).

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