Abstract
We saw in the previous chapter that Maass operators E ± k map Maass cusp forms of weight k to Maass cusp forms of weight k ± 2. Can we exploit this result and use Maass operators to get a whole family of Maass cusp forms by starting with a “reference” Maass waveform of weight k and generate all possible images by repeatedly applying one of the Maass operators?
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Mühlenbruch, T., Raji, W. (2020). Families of Maass Cusp Forms, L-Series, and Eichler Integrals. In: On the Theory of Maass Wave Forms. Universitext. Springer, Cham. https://doi.org/10.1007/978-3-030-40475-8_4
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