Session 1. Analytic Number Theory

A converse theorem for degree 2 L-functions

Alberto Perelli, Università degli Studi di Genova, Italy
The talk is based on the joint work with Jerzy Kaczorowski
I'll present the following converse theorem. If a degree 2 \(L\)-function \(F(s)\) has conductor 1, an Euler product expansion and a pole at \(s=1\), then \(F(s)\) is the square of the Riemann zeta function. This requires the study of certain properties of the linear twists of degree 2 \(L\)-functions.
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