Mathematics
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P. Quinton
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All Questions Answers
Score Newest
answer
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, 2018
question
5
Extreme concave function on the simplex
Mar 17, 2021
question
5
About a result by Hardy-Littlewood-Polya-Blackwell-Stein-Sherman-Cartier on two order operators.
Apr 25, 2021
answer
5
What is the expectation of $X$ given $X$
Oct 20, 2018
answer
5
Proving $\sum_{k=1}^{n} k \binom{n}{k} = n \cdot 2^{n-1}$ by double counting
Nov 24, 2018
answer
5
monochromatic solution to $xy=z$
Jan 9, 2019
answer
4
let X be a random variable such that $E[X^4]=1$ then $P(|X|\geq 2) \leq \frac{1}{16}$?
Jan 23, 2019
answer
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, 2019
answer
4
If $\mathbf{Ax}=\mu\mathbf y$ and $\mathbf{Ay}=\mu\mathbf x$, are $\mu$ or $-\mu$ an eigenvalue of $\mathbf A$?
May 1, 2019
answer
4
Finding the eigenvalues of a linear transformation which takes inputs from the set of all $n\times n$ matrices.
Oct 4, 2018

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