Mathematics
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user912011
  • Member for 2 years, 5 months
  • Last seen more than a week ago
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53
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All Questions Answers
Score Newest
question
6
Why does not differentiability at a point imply the existence of limit of derivative tending to the point
May 21, 2021
question
5
Levin & Peres 2017 Ex. 4.1: prove that $\overline{d}(t)=\sup_{\mu,\nu}\lVert\mu P^t-\nu P^t\rVert_{TV}$
May 12
question
5
Rudin Ex. 7.22: if $f\in\mathscr{R}(\alpha)$ there are polynomials $P_n$ s.t. $ \lim\limits_{n\to\infty}\int^b_a\left|f-P_n\right|^2\,d\alpha=0$
Aug 6, 2021
question
4
If $f$ is differentiable on $[a,\infty)$ and $\lim\limits_{x\rightarrow\infty}f(x)=f(a)$, then $f'$ vanishes at some point.
Dec 14, 2021
question
3
Rudin's proof of Arzela-Ascoli
Jun 2, 2021
question
3
$\lim\limits_{n\rightarrow\infty} \frac{n}{\log n}(n^{\frac{1}{n}}-1)$
Aug 16, 2021
question
3
Rudin RCA ch. 1 ex. 7: Monotone convergence theorem for decreasing sequence
Mar 2, 2022
question
3
Error in exercise 1.3.9 of Folland's advanced calculus
May 16, 2022
question
2
Any function with a modulus of continuity proportional to any preassigned $\epsilon>0$ is Lipschitz-continuous
Apr 23, 2021
answer
2
Sequencial chracterisation of $\limsup f(x)$
Dec 23, 2021

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