Fourier expansions of complex-valued Eisenstein series on finite upper half planes

We consider complex-valued modular forms on finite upper half planes Hq and obtain Fourier expansions of Eisenstein series invariant under the groups Γ=SL(2,Fp) and GL(2,Fp). The expansions are analogous to those of Maass wave forms on the ordinary Poincaré upper half plane —the K-Bessel functions...

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Main Authors: Anthony Shaheen, Audrey Terras
Format: Article
Language:English
Published: Wiley 2006-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/IJMMS/2006/63918
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author Anthony Shaheen
Audrey Terras
author_facet Anthony Shaheen
Audrey Terras
author_sort Anthony Shaheen
collection DOAJ
description We consider complex-valued modular forms on finite upper half planes Hq and obtain Fourier expansions of Eisenstein series invariant under the groups Γ=SL(2,Fp) and GL(2,Fp). The expansions are analogous to those of Maass wave forms on the ordinary Poincaré upper half plane —the K-Bessel functions being replaced by Kloosterman sums.
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series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-1be9546b43bb4625b3ea36898d72ddc12025-02-03T01:32:45ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252006-01-01200610.1155/IJMMS/2006/6391863918Fourier expansions of complex-valued Eisenstein series on finite upper half planesAnthony Shaheen0Audrey Terras1Department of Mathematics, California State University, Los Angeles 90032-8204, CA, USADepartment of Mathematics, University of California, San Diego, La Jolla 92093-0112, CA, USAWe consider complex-valued modular forms on finite upper half planes Hq and obtain Fourier expansions of Eisenstein series invariant under the groups Γ=SL(2,Fp) and GL(2,Fp). The expansions are analogous to those of Maass wave forms on the ordinary Poincaré upper half plane —the K-Bessel functions being replaced by Kloosterman sums.http://dx.doi.org/10.1155/IJMMS/2006/63918
spellingShingle Anthony Shaheen
Audrey Terras
Fourier expansions of complex-valued Eisenstein series on finite upper half planes
International Journal of Mathematics and Mathematical Sciences
title Fourier expansions of complex-valued Eisenstein series on finite upper half planes
title_full Fourier expansions of complex-valued Eisenstein series on finite upper half planes
title_fullStr Fourier expansions of complex-valued Eisenstein series on finite upper half planes
title_full_unstemmed Fourier expansions of complex-valued Eisenstein series on finite upper half planes
title_short Fourier expansions of complex-valued Eisenstein series on finite upper half planes
title_sort fourier expansions of complex valued eisenstein series on finite upper half planes
url http://dx.doi.org/10.1155/IJMMS/2006/63918
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