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Theta Functions and Hermitian Jacobi Forms over Imaginary Quadratic Fields
PublicWe study modular forms, Jacobi forms, and hermitian formal Fourier-Jacobi series over imaginary quadratic fields. In the first section, we prove that the ring of classical Jacobi forms of a fixed genus g, varying index m and weight k is generated by theta functions. From this result we show that ring of classical Jacobi forms of bounded relative index is a finitely generated bigraded ring. In the second section, we study vector-valued hermitian modular forms and vector-valued hermitian Jacobi forms. In the last section we introduce the her mitian formal Fourier-Jacobi series. We show that hermitian formal Fourier Jacobi series form a finitely generated module over the ring of classical modular forms.
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- http://dissertations.umi.com/northwestern:15220
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Wang_northwestern_0163D_15220.pdf | 2021-02-01 | Public |
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