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arXiv 0905.3140math.RTmath.GR
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某些互补级数的离散元件(II)

Discrete Components of Some Complementary Series (II)

T. N. Venkataramana B. Speh

摘要:

我们证明了SO(n,1)的互补序列在Fell拓扑中足够接近于上同调表示,在限制到SO(n-1,1)时,包含SO(n-1,1)的离散互补序列,它们也足够接近于上同调表示.作为一个全球性的应用,我们表明,如果非零特征值的拉普拉斯微分形式的中间程度的同余式的双曲n-空间保持有界远离零(所有偶数n),然后非零特征值的拉普拉斯形式的任意程度保持有界远离零,这减少了aceturtures的Clozel和Bergeron的情况下,中间程度的形式。

英文摘要:

We show that complementary series of SO(n,1) which are sufficiently close to a cohomological representation in the Fell topology, upon restriction to SO(n-1,1), contain discretely, complementary series for SO(n-1,1) which are also sufficiently close to cohomological representations. As a global application, we show that if the non-zero eigenvalues of the Laplacian for differential forms of middle degree on congruence quotients of the hyperbolic n-space remain bounded away from zero (for all even n), then nonzero eigenvalues of the Laplacian on forms of arbitrary degree remain bonded away from zero; this reduces conjectures of Clozel and Bergeron to the case of middle degree forms.

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