# Elias

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An expert is a man who has made all the mistakes, which can be made, in a very narrow field. (Niels Bohr)

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 Dec6 reviewed Close Finitely generated modules Dec6 reviewed Leave Open Show $\lim_{n\to\infty}\frac{\int_X|f|^{n+1}d\mu}{\int_X|f|^nd\mu}=\|f\|_\infty$. Dec6 reviewed Close Show that $\mathbb{Z}_n$ is local ring iff $n$ is a power of a prime number Dec6 reviewed Close 4th grade word problem Dec5 reviewed Close prove that $\sum_{n=0}^{\infty} \frac{x^n}{n!} > 0$ Dec5 reviewed Close Is the series $\sum_{1}^{\infty}\frac{1}{p_{j}}$ where $p_{j}$ is the $j$th prime convergent? Dec5 reviewed Close Finding matrix for given recurrence Dec5 reviewed Close Find the conditional expectation $E[X|X\wedge t]$ Dec5 reviewed Close What is the probability $X+Y=0$ for two independent Poisson random variables? Dec5 reviewed Close Find a constant $c$ (if it exists) such that $Y_n \xrightarrow{P} c$. Does $Y_n \xrightarrow{a.s.} c$? Dec5 reviewed Close Are there numbers such that A + B = 10A+B? Dec5 reviewed Close Prove that $f(x) = 0$ for all $x ∈ R$. Dec4 reviewed Close Determining zero Dec4 reviewed Approve divide a triangle into two parts equivalent through the point P Dec4 reviewed Close divide a triangle into two parts equivalent through the point P Dec4 reviewed Close Convergent sequence? Dec4 reviewed Close Area between $1$ and $2$ of $x^2$ and $x^{1/2}$ using integrals? Dec4 comment find the upper bound on a vector @user189013 yes, if $f:\mathbb{R}^d\to \mathbb{R}^d$ is $C^r$ for $r\geq 2$. Dec3 reviewed Close Prove an artificial variable that leaves the basis will never return. Dec3 reviewed Close Find positive integer d of the additive group Z?