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Hanul Jeon's user avatar
Hanul Jeon's user avatar
Hanul Jeon's user avatar
Hanul Jeon
  • Member for 3 years, 2 months
  • Last seen more than 3 years ago
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I am Hanul Jeon. I am currently (since 25 August 2021) a doctoral student at Cornell University. Contact me via e-mail or my Twitter account if you want to say something to me. (My e-mail address is available on my website.)

If you find any grammatical errors or suspicious facts from my comments or answers, please let me know.

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81
which is larger number? $\sqrt{7}-\sqrt{6}$ or $\sqrt{6}-\sqrt{5}$
56
Convergence of Ratio Test implies Convergence of the Root Test
35
The series $\sum_{n=1}^{+\infty}\frac{1}{1^2+2^2+\cdots+n^2}.$
31
Does $\bigcap_{n=1}^{+\infty}(-\frac{1}{n},\frac{1}{n}) = \varnothing$?
28
Is the function $ f(x,y)=\frac{xy}{x^{2}+y^{2}}$ where $f(0,0)$ is defined to be $0$ continuous?

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