数论与表示论讨论班:郭子棋 Modular heights of unitary Shimura varieties



地点: 数学高等研究院报告厅
时间: 3月11日,16:00 - 17:00
主讲人: 郭子棋 Ziqi Guo (北京大学)
摘要:The goal of our work is to prove a formula expressing the modular height of a unitary Shimura variety over a CM number field in terms of the logarithm derivative of the Hecke L-function associated with the CM extension. In a more specific term, we will introduce a global canonical integral model of such a unitary Shimura variety, and compute the arithmetic top self-intersection number of a canonical arithmetic line bundle with Hermitian metric on such integral model. At the same time, we also delve into a thorough investigation of the arithmetic generating series of divisors on unitary Shimura varieties. Therefore, we will also obtain the so-called arithmetic Siegel–Weil formula in our setting.