*时间：2023年5月25日、6月1日  13:00-14:00

*地点：数学楼401

*主讲人：马继明 副教授

*主持人：邹燕清 青年研究员

*讲座内容简介：

The theory of complex hyperbolic geometry is still in its childhood, but promises to grow into a rich subfield of geometry.In these talks, I will first talk about the simplest kinds of complex hyperbolic discrete groups, i.e, the deformations of reflection triangle groups in $PU(2,1)$. I will talk about the conjectural picture of Schwartz on these still mysterious subject of complex hyperbolic deformations. If times permits, I will also talk about that some of extra deformations of complex hyperbolic triangle groups give examples complex hyperbolic lattices, these will involve in Ford domains, Dirichlet domains and Jorgensen inequality.

*主讲人简介：

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马继明，复旦大学数学科学学院 副教授，博士生导师，主要研究低维流形的几何与拓扑，发表学术论文20余篇，主持国家自然科学基金多项。