3 papers
math.NT2025
Bianchi Modular Forms and the Rationality of Periods
Gradin Anderson, Peter Harrigan, Louisa Hoback +2
Using an explicit Eichler-Shimura-Harder isomorphism, we establish the analogue of Manin's rationality theorem for Bianchi periods and hence special values of -functions of Bian…
math.NT2025
Transcendental formulas for the coefficients of Ramanujan's mock theta functions
Nickolas Andersen, Gradin Anderson
Ramanujan's 1920 last letter to Hardy contains seventeen examples of mock theta functions which he organized into three "orders." The most famous of these is the third-order functi…
math.NT2023
The Weil bound for generalized Kloosterman sums of half-integral weight
Nickolas Andersen, Gradin Anderson, Amy Woodall
Let be an even lattice of odd rank with discriminant group , and let . We prove the Weil bound for the Kloosterman sums of half-integral wei…