Effective construction of Hilbert modular forms of half-integral weight

Sirolli, Nicolás - Tornaría, Gonzalo

Resumen:

Given a Hilbert cuspidal newform g we construct a family of modular forms of half-integral weight whose Fourier coefficients give the central values of the twisted L-series of g by fundamental discriminants. The family is parametrized by quadratic conditions on the primes dividing the level of g, where each form has coefficients supported on the discriminants satisfying the conditions. These modular forms are given as generalized theta series and thus their coefficients can be effectively computed. By considering skew-holomorphic forms of half-integral weight our construction works over arbitrary totally real number fields, except that in the case of odd degree the square levels are excluded. It includes all discriminants except those divisible by primes whose square divides the level.


Detalles Bibliográficos
2022
Number Theory
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/38376
Acceso abierto
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
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author Sirolli, Nicolás
author2 Tornaría, Gonzalo
author2_role author
author_facet Sirolli, Nicolás
Tornaría, Gonzalo
author_role author
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dc.contributor.filiacion.none.fl_str_mv Sirolli Nicolás
Tornaría Gonzalo, Universidad de la República (Uruguay). Facultad de Ciencias.
dc.creator.none.fl_str_mv Sirolli, Nicolás
Tornaría, Gonzalo
dc.date.accessioned.none.fl_str_mv 2023-07-24T21:50:40Z
dc.date.available.none.fl_str_mv 2023-07-24T21:50:40Z
dc.date.issued.none.fl_str_mv 2022
dc.description.abstract.none.fl_txt_mv Given a Hilbert cuspidal newform g we construct a family of modular forms of half-integral weight whose Fourier coefficients give the central values of the twisted L-series of g by fundamental discriminants. The family is parametrized by quadratic conditions on the primes dividing the level of g, where each form has coefficients supported on the discriminants satisfying the conditions. These modular forms are given as generalized theta series and thus their coefficients can be effectively computed. By considering skew-holomorphic forms of half-integral weight our construction works over arbitrary totally real number fields, except that in the case of odd degree the square levels are excluded. It includes all discriminants except those divisible by primes whose square divides the level.
dc.description.es.fl_txt_mv Publicado también como: Mathematische Zeitschrift, 2022, 302: 2513–2543. DOI: 10.1007/s00209-022-03140-2
dc.format.extent.es.fl_str_mv 30 h.
dc.format.mimetype.es.fl_str_mv application/pdf
dc.identifier.citation.es.fl_str_mv Sirolli, N y Tornaría, G. "Effective construction of Hilbert modular forms of half-integral weight" [Preprint]. Publicado en: Mathematics (Number Theory). 2022, arXiv:2107.04483v2, oct 2022, pp. 1-30
dc.identifier.doi.none.fl_str_mv 10.48550/arXiv.2107.04483
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/38376
dc.language.iso.none.fl_str_mv en
eng
dc.publisher.es.fl_str_mv arXiv
dc.relation.ispartof.es.fl_str_mv Mathematics (Number Theory), arXiv: 2107.04483v2, oct 2022, pp. 1-30
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.subject.es.fl_str_mv Number Theory
dc.title.none.fl_str_mv Effective construction of Hilbert modular forms of half-integral weight
dc.type.es.fl_str_mv Preprint
dc.type.none.fl_str_mv info:eu-repo/semantics/preprint
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description Publicado también como: Mathematische Zeitschrift, 2022, 302: 2513–2543. DOI: 10.1007/s00209-022-03140-2
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identifier_str_mv Sirolli, N y Tornaría, G. "Effective construction of Hilbert modular forms of half-integral weight" [Preprint]. Publicado en: Mathematics (Number Theory). 2022, arXiv:2107.04483v2, oct 2022, pp. 1-30
10.48550/arXiv.2107.04483
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publishDate 2022
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repository.name.fl_str_mv COLIBRI - Universidad de la República
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rights_invalid_str_mv Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
spelling Sirolli NicolásTornaría Gonzalo, Universidad de la República (Uruguay). Facultad de Ciencias.2023-07-24T21:50:40Z2023-07-24T21:50:40Z2022Sirolli, N y Tornaría, G. "Effective construction of Hilbert modular forms of half-integral weight" [Preprint]. Publicado en: Mathematics (Number Theory). 2022, arXiv:2107.04483v2, oct 2022, pp. 1-30https://hdl.handle.net/20.500.12008/3837610.48550/arXiv.2107.04483Publicado también como: Mathematische Zeitschrift, 2022, 302: 2513–2543. DOI: 10.1007/s00209-022-03140-2Given a Hilbert cuspidal newform g we construct a family of modular forms of half-integral weight whose Fourier coefficients give the central values of the twisted L-series of g by fundamental discriminants. The family is parametrized by quadratic conditions on the primes dividing the level of g, where each form has coefficients supported on the discriminants satisfying the conditions. These modular forms are given as generalized theta series and thus their coefficients can be effectively computed. By considering skew-holomorphic forms of half-integral weight our construction works over arbitrary totally real number fields, except that in the case of odd degree the square levels are excluded. It includes all discriminants except those divisible by primes whose square divides the level.Submitted by Egaña Florencia (florega@gmail.com) on 2023-07-24T18:25:08Z No. of bitstreams: 2 license_rdf: 23149 bytes, checksum: 1996b8461bc290aef6a27d78c67b6b52 (MD5) 2107.04483.pdf: 798365 bytes, checksum: a8a0a5d9c1260ed574245403053d1d64 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2023-07-24T18:30:53Z (GMT) No. of bitstreams: 2 license_rdf: 23149 bytes, checksum: 1996b8461bc290aef6a27d78c67b6b52 (MD5) 2107.04483.pdf: 798365 bytes, checksum: a8a0a5d9c1260ed574245403053d1d64 (MD5)Made available in DSpace by Seroubian Mabel (mabel.seroubian@seciu.edu.uy) on 2023-07-24T21:50:40Z (GMT). No. of bitstreams: 2 license_rdf: 23149 bytes, checksum: 1996b8461bc290aef6a27d78c67b6b52 (MD5) 2107.04483.pdf: 798365 bytes, checksum: a8a0a5d9c1260ed574245403053d1d64 (MD5) Previous issue date: 202230 h.application/pdfenengarXivMathematics (Number Theory), arXiv: 2107.04483v2, oct 2022, pp. 1-30Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. 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- Universidad de la Repúblicafalse
spellingShingle Effective construction of Hilbert modular forms of half-integral weight
Sirolli, Nicolás
Number Theory
status_str submittedVersion
title Effective construction of Hilbert modular forms of half-integral weight
title_full Effective construction of Hilbert modular forms of half-integral weight
title_fullStr Effective construction of Hilbert modular forms of half-integral weight
title_full_unstemmed Effective construction of Hilbert modular forms of half-integral weight
title_short Effective construction of Hilbert modular forms of half-integral weight
title_sort Effective construction of Hilbert modular forms of half-integral weight
topic Number Theory
url https://hdl.handle.net/20.500.12008/38376