科学研究
报告题目:

Kleinian groups of small critical exponent

报告人:

汪湜 助理教授(上海科技大学)

报告时间:

报告地点:

理学院东北楼四楼报告厅(404)

报告摘要:

Given a finitely generated discrete subgroup G which acts isometrically on the hyperbolic space, the critical exponent of G measures the exponential growth rate of the G-orbits. In joint work with Beibei Liu, we show that if the critical exponent is small, then G must be convex cocompact and virtually free. This partly answers a conjecture of Kapovich.