2016清华大学华罗庚讲座
报告人：Sergiu Klainerman，普林斯顿大学
时间：16:30-17:30, 5月5日，周四
地点：清华大学近春园西楼三层报告厅
报告人简介
Sergiu Klainerman是以在双曲型微分方程和广义相对论方面的卓越研究而知名的数学家。自1987年以来，Klainerman在普林斯顿大学数学系担任教授。2011年起，他出任普林斯顿大学希金斯讲座教授。他曾于1980至1987年任职于纽约大学。
Klainerman对广义相对论和偏微分方程有强烈的研究兴趣。他最近的研究主要涉及到黑洞的数学理论，确切地说是它们的刚性和稳定性。他的研究还包括陷获面（trapped surfaces）和奇点的动态生成。
Klainerman教授获得了许多荣誉。他是美国国家科学院院士（2005年当选），法国科学院外籍院士（2002年当选）和美国人文与科学院院士（1996当选）。他所获荣誉还包括：1991年麦克阿瑟奖，1997年古根海姆奖。
1999年，因其对非线性双曲方程研究的贡献，Klainerman教授获美国数学学会所颁发的博谢纪念奖。自2011年至今，他还担任《数学年刊》（Annals of Mathematics）的编委。
2016 Tsinghua University Loo-Keng Hua Distinguished Lecture
Speaker: Sergiu Klainerman [Princeton University]
Time: 16:30-17:30, May 5 (Thu.)
Place: Lecture Hall, Floor 3, Jin Chun Yuan West Building
Title: Are Black Holes Real ?
Abstract:
The recent direct detection of gravitational waves emitted in the final state of a two black hole merger gives an emphatic evidence on the physical reality of black holes. Yet until today we don't have a good understanding of what are surely the simplest mathematical tests pertaining to their "reality''. To be precise black holes are explicit mathematical solutions of the Einstein field equations. The certainly exist as beautiful mathematical objects but in order to correspond to physical, ``observable'', objects they have to verify certain simple to state mathematical properties such as: rigidity, stability and the possibility that they can form from reasonable initial configurations, free of black holes, - this latter is the well known problem of collapse. In my lecture I will describe these mathematical problems and give a broad overview of recent results.
Introduction of Speaker:
Sergiu Klainerman is a mathematician known for his contributions to the study of hyperbolic differential equations and general relativity. He is a Professor in the Department of Mathematics at Princeton University, a position he held since 1987. Since 2011, he is a Higgins professor of Mathematics, Princeton University. From 1980 to 1987 he was a faculty member at New York University.
Klainerman is a PDE analyst with a strong interest in General Relativity. His current research deals with the mathematical theory of black holes more precisely on their rigidity and stability. He is also interested in the dynamic formation of trapped surfaces and singularities.
Klainerman is a member of the U.S. National Academy of Sciences (elected 2005), a foreign member of the French Academy of Sciences (elected 2002) and a Fellow of the American Academy of Arts and Sciences (elected 1996).
He was named a MacArthur Fellow in 1991 and Guggenheim Fellow in 1997. Klainerman was awarded the Bôcher Memorial Prize by the American Mathematical Society in 1999 "for his contributions to nonlinear hyperbolic equations". He is currently a Editor of Annals of Mathematics.
https://web.math.princeton.edu/~seri/homepage/seri.htm
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