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Expansions at Cusps and Petersson Products in Pari/GP. (arXiv:1809.10908v1 [math.NT])
来源于:arXiv
We begin by explaining how to compute Fourier expansions at all cusps of any
modular form of integral or half-integral weight thanks to a theorem of
Borisov-Gunnells and explicit expansions of Eisenstein series at all cusps.
Using this, we then give a number of methods for computing arbitrary Petersson
products. All this is available in the current release of the Pari/GP package. 查看全文>>