Mathematics
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Ewan Delanoy
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question
37
A circle in the plane contains at most four lattice points?
Jul 30, 2015
question
31
Smallest order for finite group that needs many elements to generate it
Nov 2, 2011
answer
30
Is it possible for an irreducible polynomial with rational coefficients to have three zeros in an arithmetic progression?
Jul 3, 2016
answer
30
Interesting Olympiad Style Problem about Invariance
Dec 30, 2017
answer
29
How to prove that minimum of two exponential random variables is another exponential random variable?
Nov 25, 2013
question
29
Divisibility property for sequence $a_{n+2}=-2(n-1)(n+3)a_n-(2n+3)a_{n+1}$
Apr 8, 2018
answer
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
question
21
Are there statements that are undecidable but not provably undecidable
Sep 17, 2011
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21
Why is $(\sqrt{2}+\sqrt{3})^{2008}$ so close to an integer?
Jun 9, 2014
question
20
Comparing countable models of ZFC
Sep 13, 2011
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Draw circle in TikZ by specifying endpoint and distances instead of angles and radius

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