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Mathematics
achille hui's user avatar
achille hui's user avatar
achille hui's user avatar
achille hui
  • Member for 11 years, 7 months
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  • Hong Kong
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Look deep into my icon, you will see the answer.

Take a prime that's not a prime, what needs to make it ninety nine.

L'enfer est plein de bonnes volontés ou désirs - sci.math has been killed by crackpots, I predict math.SE will be killed by over-spontaneous-moderation (2018/12/10)

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32
Formatting Sandbox
Mar 31, 2014
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29
Hierarchical spoilers
May 16, 2014
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25
What did you try?
Apr 9, 2014
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19
How to Post Pictures in an Array/Table, on MSE, with MathJax
May 24, 2014
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13
Updates to the site
Mar 26, 2015
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10
Does MathJaX have a command to stretch or reduce vertical space?
May 9, 2014
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9
Should experienced users be held for higher standards when posting questions?
Apr 14, 2014
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5
Reforming closure's reputation: ideas to make closure more useful, less scary and more likely to be undone
Sep 11, 2013
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3
What went astray in this code — based on Proofwiki — but I tried to edit?
Jan 6, 2014
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3
Requests for Reopen & Undeletion Votes, etc. (volume 01/2015 - 07/2018 )
May 24, 2017
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101
Conjecture $\int_0^1\frac{\mathrm dx}{\sqrt{1-x}\ \sqrt[4]x\ \sqrt[4]{2-x\,\sqrt3}}\stackrel?=\frac{2\,\sqrt2}{3\,\sqrt[8]3}\pi$
75
Is $0.1010010001000010000010000001 \ldots$ transcendental?
74
Does non-symmetric positive definite matrix have positive eigenvalues?
70
Integral $\int_0^1\frac{\ln\left(x+\sqrt2\right)}{\sqrt{2-x}\,\sqrt{1-x}\,\sqrt{\vphantom{1}x}}\mathrm dx$
66
What are some examples of mathematics that had unintended useful applications much later?