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Mathematics
Ewan Delanoy's user avatar
Ewan Delanoy's user avatar
Ewan Delanoy's user avatar
Ewan Delanoy
  • Member for 12 years, 10 months
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38
A circle in the plane contains at most four lattice points?
Jul 30, 2015
33
How to prove that minimum of two exponential random variables is another exponential random variable?
Nov 25, 2013
33
Smallest order for finite group that needs many elements to generate it
Nov 2, 2011
32
Is it possible for an irreducible polynomial with rational coefficients to have three zeros in an arithmetic progression?
Jul 3, 2016
30
Interesting Olympiad Style Problem about Invariance
Dec 30, 2017
29
Divisibility property for sequence $a_{n+2}=-2(n-1)(n+3)a_n-(2n+3)a_{n+1}$
Apr 8, 2018
25
Does there exist rational $a,b,c$, such that $\sqrt[3]{1}+\sqrt[3]{2}+\sqrt[3]{4}=\sqrt[3]{a}+\sqrt[3]{b}+\sqrt[3]{c}$
Jun 19, 2013
24
Galois group of a biquadratic quartic
Feb 9, 2014
23
Why is $(\sqrt{2}+\sqrt{3})^{2008}$ so close to an integer?
Jun 9, 2014
21
Comparing countable models of ZFC
Sep 13, 2011
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Unable to connect to my account [SOLVED]
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Stackexchange never notifies me about anything
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What my dog really hears
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How can "[" be an operator in the PHP language specification?
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Extreme paper space saving, very small margins, how to lower the page number
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Draw circle in TikZ by specifying endpoint and distances instead of angles and radius
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How do I close a window from an application, passing the file name?