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A realization of the Hecke algebra on the space of period functions for Γ0 (n)

  • M Fraczek EMAIL logo , D Mayer and T Mühlenbruch
Published/Copyright: March 12, 2007
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Journal für die reine und angewandte Mathematik
From the journal Volume 2007 Issue 603

Abstract

The standard realization of the Hecke algebra on classical holomorphic cusp forms and the corresponding period polynomials is well known. In this article we consider a nonstandard realization of the Hecke algebra on Maass cusp forms for the Hecke congruence subgroups Γ0(n). We show that the vector valued period functions derived recently by Hilgert, Mayer and Movasati as special eigenfunctions of the transfer operator for Γ0(n) are indeed related to the Maass cusp forms for these groups. This leads also to a simple interpretation of the “Hecke like” operators of these authors in terms of the aforementioned nonstandard realization of the Hecke algebra on the space of vector valued period functions.

Received: 2005-12-14
Published Online: 2007-03-12
Published in Print: 2007-03-27

© Walter de Gruyter

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