中科院数学与系统科学研究院
数学研究所
中科院华罗庚数学重点实验室
综合报告会
（Colloquium）
报告人：张 伟 教授 (Columbia University）
题 目: Euler product and Taylor expansion of L-function
时 间：07.13(星期一), 16:00--17:00
地 点：数学院南楼N820室
摘 要:
An L-function (from geometry or automorphic form) is a meromorphic function with two expansions: an Euler product expansion and a Taylor expansion (at a suitable point). We will try to give evidence (some elementary, some less obvious) that both should have interesting geometric meaning.