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The Square Root Method in the Algebraization of Dirichlet Series

University of Chicago Department of Mathematics via YouTube

Overview

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Attend a mathematical symposium lecture exploring the algebraization of Dirichlet series through the square root method. Discover how this advanced technique extends beyond traditional power series approaches to characterize automorphic forms as unique analytic continuation mechanisms for Dirichlet series pairs with almost integral coefficients connected by GL(2) functional equations. Learn about the historical foundations rooted in Emile Borel's interpretation of Hadamard's work on functions given by Taylor series development, and understand how this research bridges integral coefficients with large analytic continuations. Explore the connection to function field arithmetic applications and examine how blueprint theorems of Drinfeld-Vladut type guide the analysis of "non almost doubling" of zeros in functional field arithmetic. Investigate the key principle of utilizing global Euler products within the context of the Deuring-Heilbronn phenomenon, leading to an effectivization of the first historical proof demonstrating the finiteness of class number one quadratic imaginary fields. Gain insights into cutting-edge research that extends Diophantine analysis from the function field setting to the global number-theoretic realm, presented by Vesselin Dimitrov from Caltech as part of the ZhengTong Chern-Weil Symposium series.

Syllabus

ZhengTong Chern-Weil Symposium Autumn 2025: Vesselin Dimitrov (Caltech)

Taught by

University of Chicago Department of Mathematics

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