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Mathematics
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Ewan Delanoy

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 7 years, 8 months
  • 4,422 profile views
  • Last seen 8 hours ago

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Top posts (953) All Questions Answers | Votes Newest

32 A circle in the plane contains at most four lattice points? Jul 30 '15
30 Smallest order for finite group that needs many elements to generate it Nov 2 '11
27 Divisibility property for sequence $a_{n+2}=-2(n-1)(n+3)a_n-(2n+3)a_{n+1}$ Apr 8 '18
26 Interesting Olympiad Style Problem about Invariance Dec 30 '17
24 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 '13
23 Is it possible for an irreducible polynomial with rational coefficients to have three zeros in an arithmetic progression? Jul 3 '16
20 Comparing countable models of ZFC Sep 13 '11
19 Let $a_{i} \in\mathbb{R}$ ($i=1,2,\dots,n$), and $f(x)=\sum_{i=0}^{n}a_{i}x^i$ such that if $|x|\leqslant 1$, then $|f(x)|\leqslant 1$. Prove that: Oct 19 '13
18 How to Prove that the minimum of two exponential random variables is another Nov 25 '13
17 Example of two dependent random variables that satisfy $E[f(X)f(Y)]=Ef(X)Ef(Y)$ for every $f$ Nov 29 '12
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