报告题目:Brown-York mass and vacuum static space-time

报告人：袁伟 副研究员

报告时间：15:20--16:20

报告地点：理A110

题目：Brown-York mass and vacuum static space-time

报告人：袁伟 副研究员 （中山大学数学学院）

报告时间：5月11日（周四）15:20--16:20
报告地点：理学楼 A 楼 110

摘要：In 1950s, Arnowit, Deser and Misner gave the Hamiltonian formalism of Einstein equations and proposed the well known positive mass conjecture. It was solved by Schoen-Yau and Witten using different technics almost 30 years later. After their works, the study in this area turned to localization of ADM mass gradually. In this talk, I will give a brief introduction of the study of mass problem and vacuum static space-time. Also, I will talk about the idea of the proof of positive mass theorem for Brown-York mass with respect to generic three dimensional vacuum static metric under certain physical assumptions.

报告人简历：
袁伟，博士，2015年毕业于美国加州大学圣克鲁斯分校并取得理学博士学位。现任中山大学数学学院副研究员，主要研究方向为几何分析与广义相对论的几何理论。此前曾赴法国庞加莱数学研究所（IHP）及奥地利薛定谔研究所（ESI）等多地进行学术访问。目前已在Mathematische Annalen，Calculus of Variations &PDE，Journal of Geometric Analysis 等学术期刊上发表研究论文数篇。相关研究涉及真空静态时空的分类，数量曲率的刚性以及Q-曲率的形变理论等多个领域。