Mathematics
Profile Activity
Meta user
Network profile
3,549
reputation
1
5
24

P. Quinton

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

178
answers
30
questions
~31k
people reached
  • Member for 2 years, 11 months
  • 480 profile views
  • Last seen 6 hours ago

Communities (4)

Top network posts

We respect a laser-like focus on one topic.

1
gold badge
5
silver badges
24
bronze badges
View all badges

Top tags (155)

Score 63
Posts 59
Posts % 28
Score 43
Posts 37
Score 40
Posts 27
Score 34
Posts 21
Score 23
Posts 22
Score 19
Posts 24
View all tags →

Top posts (208)

All Questions Answers
Votes Newest
6 Does there exist random variables such that any strict subset of $\{ X_1, X_2, … X_n\}$ is independent but $X_1, X_2, … X_n$ are not independent? Sep 16 '18
5 Extreme concave function on the simplex Mar 17
5 About a result by Hardy-Littlewood-Polya-Blackwell-Stein-Sherman-Cartier on two order operators. Apr 25
5 Proving $\sum_{k=1}^{n} k \binom{n}{k} = n \cdot 2^{n-1}$ by double counting Nov 24 '18
4 monochromatic solution to $xy=z$ Jan 9 '19
4 let X be a random variable such that $E[X^4]=1$ then $P(|X|\geq 2) \leq \frac{1}{16}$? Jan 23 '19
4 If $T$ is an invertible linear transformation and $\vec{v}$ is an eigenvector of $T$, then $\vec{v}$ is an eigenvector of $T^{-1}$ Apr 13 '19
4 If $\mathbf{Ax}=\mu\mathbf y$ and $\mathbf{Ay}=\mu\mathbf x$, are $\mu$ or $-\mu$ an eigenvalue of $\mathbf A$? May 1 '19
4 $S=\sum_{k=2}^{n}\frac{k^{2}-2}{k!}, n\geq 2$ May 25 '19
4 Solving the wave equation under a Neumann boundary condition on the gradient at one point Aug 24 '18
View all questions and answers →

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.