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arXiv 1909.11432math.NTmath.SP
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无穷余体积Hecke三角群的转移算子的本征函数和自守形式

Eigenfunctions of transfer operators and automorphic forms for Hecke triangle groups of infinite covolume

Roelof Bruggeman, Anke Pohl

摘要:

我们发展了无限余体积的Hecke三角形群的几种类型的自守形式的上同调解释。然后,我们使用这些解释建立明确的同构空间之间的自守形式,上同调空间和空间的特征函数的转移算子。这些结果揭示了无限体积Hecke曲面的谱实体与其测地流动力学之间的深刻联系。

英文摘要:

We develop cohomological interpretations for several types of automorphic forms for Hecke triangle groups of infinite covolume. We then use these interpretations to establish explicit isomorphisms between spaces of automorphic forms, cohomology spaces and spaces of eigenfunctions of transfer operators. These results show a deep relation between spectral entities of Hecke surfaces of infinite volume and the dynamics of their geodesic flows.

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