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Please use this identifier to cite or link to this item: http://arks.princeton.edu/ark:/88435/dsp012227ms681
Title: Borcherds products for \(O(2,2)\) and the \(\theta\) operator on \(p\)-adic Hilbert modular forms
Authors: Lin, Alice
Advisors: Skinner, Christopher
Department: Mathematics
Class Year: 2020
Abstract: A result of Bruinier and Ono shows that under certain conditions on the zeroes and poles of a meromorphic elliptic modular form \(f\) with respect to a prime \(p\), the quotient \(\theta f / f\) is a \(p\)-adic modular form of weight 2 in the sense of Serre, where \(\theta\) is the Ramanujan differential operator. We give another proof of the same result for \(p\)-adic modular forms in the sense of Katz, using the geometric interpretation of modular forms as sections of a line bundle over the modular curve. We also prove a new, analogous result for Hilbert modular forms. For a given prime \(p\), we characterize which Hirzebruch-Zagier divisors lie in the supersingular locus of the Hilbert modular surface modulo \(p\), yielding an application of the analogous result for Borcherds products.
URI: http://arks.princeton.edu/ark:/88435/dsp012227ms681
Type of Material: Princeton University Senior Theses
Language: en
Appears in Collections:Mathematics, 1934-2023

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