Mathematics
Evan Chen's user avatar
Evan Chen's user avatar
Evan Chen's user avatar
Evan Chen
  • Member for 8 years, 5 months
  • Last seen more than a month ago
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Undergraduate math major, class of 2018.

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62
American Invitational Math Exam (AIME) questions
Mar 13, 2021
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55
IMO 2017/6 via arithmetic geometry
35
Artin reciprocity $\implies $ Cubic reciprocity
17
How prove this geometry inequality $R_1^4+R_2^4+R_3^4+R_4^4+R_5^4\geq {4\over 5\sin^2 108^\circ}S^2$
15
The last (and the weirdest) problem from Chen`s "Brief Introduction to Olympiad Inequalities"
12
Closed points are dense in $\operatorname{Spec} A$

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