Waldspurger's theorem

In mathematics, Waldspurger's theorem, introduced by Jean-Loup Waldspurger (1981), is a result which identifies Fourier coefficients of modular forms of half-integral weight k+1/2 with the value of a L-series at s=k/2.

References

Waldspurger, Jean-Loup (1981), "Sur les coefficients de Fourier des formes modulaires de poids demi-entier", Journal de Mathématiques Pures et Appliquées. Neuvième Série 60 (4): 375–484, ISSN 0021-7824, MR 646366

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