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发帖数: 10373 | 1 【 以下文字转载自 Mathematics 讨论区 】
发信人: soze (Dominique Bretodeau), 信区: Mathematics
标 题: Re: UIUC数学系的博士生杀人了
发信站: BBS 未名空间站 (Sun Sep 29 16:03:43 2013, 美东)
Seems that he did some interesting work in math, even John Baez took notes
of him.
https://plus.google.com/117663015413546257905/posts/VSDXfNpYTbz
"...
I found this nice picture on Yongfei Ci's website:
http://www.math.uiuc.edu/~ci1/
He's a topology grad student at the University of Illinois. If you go to
grad school and study topology, the Hopf fibration will become your friend
just like the equation 2+2=4. It's very important in math and physics.
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