Mathematics
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LL 3.14
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I like (and I work in) functional Analysis, Partial differential equations related to mathematical physics, regularity theory, functional spaces, functional and operator inequalities.

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All Questions Answers
Score Newest
answer
10
A particularly tricky integral: $ \lim_{n \to \infty} n^{\frac{3}{2}} \int_0^1 \frac{x^2}{(1+x^2)^n} dx. $
May 1, 2020
question
8
Trace inequality for a trace class operator with powers of $x$ and $\nabla$
Mar 4, 2020
answer
8
Can a circle have a negative radius?
Jun 13, 2020
answer
8
If $f$ is bounded, differentiable and satisfies the inequality, does there exist $\lim_{x\to\infty}f(x)$?
Sep 14, 2021
answer
7
The Fourier transform of $1/p^3$
Jun 18, 2020
answer
7
What is the Fourier transform of $|x|$?
Jul 22, 2020
question
7
Cyclicity of the trace for operators
Oct 20, 2021
answer
6
How to show: $y'(t)=y(t)\sin(\frac{1}{y(t)})$ has one well defined solution $\in C^1(\mathbb{R},\mathbb{R})$
Dec 6, 2019
answer
5
Show that $|b-a|\geq|\cos a-\cos b|$ for all real numbers $\,a\,$ and $\,b$
Jun 3, 2020
answer
5
inequality for positive contraction operator
Apr 26, 2020

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