The distribution of zeros of modular forms

Speaker: Zeev Rudnick，Tel Aviv University and Shandong University        

Inviter: 黄治中

Title: The distribution of zeros of modular forms

Language: English

Time & Venue: 2026.09.04   15:30-17:00   南楼N204

Abstract: I will discuss old and new results about the distribution of zeros of modular forms, and relation to Quantum Unique Ergodicity. It is known that a modular form of weight k has about k/12 zeros in the fundamental domain. A classical question in the analytic theory of modular forms is “can we locate the zeros of a distinguished family of modular forms?”. In 1970, F. Rankin and Swinnerton-Dyer proved that the zeros of the Eisenstein series all lie on the circular part of the boundary of the fundamental domain. In the beginning of this century, I discovered that for cuspidal Hecke eigenforms, the picture is very different — the zeros are not localized, and in fact become uniformly distributed in the fundamental domain. Very recently, we have investigated other families of modular forms, such as the Miller basis (ZR 2024, Roei Raveh 2025, Adi Zilka 2026), Poincaré series (RA Rankin 1982, Noam Kimmel 2025) and theta functions (Roei Raveh 2026), finding a variety of possible distributions of the zeroes.