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arXiv 1402.4780math.NTmath.SP
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Eisenstein级数的极点分布与双曲流形的长度谱

On distribution of poles of Eisenstein series and the length spectrum of hyperbolic manifolds

Dubi Kelmer

摘要:

我们将Bhagwat和Rajan关于长度谱的强重数1性质的结果推广到了具有尖点的双曲流形,证明了对于有限体积的两个偶数维双曲流形,如果除了1/2个闭测地线有相同的长度,那么所有闭测地线都有相同的长度.当例外长度的集合是无限的,但足够稀疏时,我们可以证明两个流形必须有相同的体积,并且在低维中也有相同数量的尖点。在我们的证明的一个主要成分是一个推广的结果塞尔伯格的极点分布的爱森斯坦系列双曲流形。

英文摘要:

We extend results of Bhagwat and Rajan on a strong multiplicity one property for length spectrum to hyperbolic manifolds with cusps, showing that for two even dimensional hyperbolic manifolds of finite volume, if all but finitely many closed geodesics have the same length, then all closed geodesics have the same length. When the set of exceptional lengths is infinite, but sufficiently sparse, we can show that the two manifolds must have the same volume, and in low dimensions also the same number of cusps. A main ingredient in our proof is a generalization of a result of Selberg on the distribution of poles of Eisenstein series to hyperbolic manifolds.

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