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BigbearZzz
  • Member for 9 years, 3 months
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  • United Kingdom
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I consider myself an analyst, but I don't think I even remember how to do integration by using trigonometric substitution anymore...

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Top posts
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question
22
Rigorous justification for this formal solution to $f(x+1)+f(x)=g(x)$
Jun 24, 2019
question
9
A Besicovitch-type Covering Theorem
May 17, 2019
question
8
Conceptually, what does unitization do?
Nov 17, 2016
question
8
Averaging the mass of a Sobolev function $f\in W^{1,p}(\Omega)$ near $\partial\Omega$
Jan 4, 2021
question
6
Poincare Recurrence by Mean Ergodic Theorem
Jan 13, 2017
question
5
Improving equi-integrability for a family $\mathcal F$ in $L^1(\Omega)$
Aug 8, 2018
question
5
Projection of a function $f\in L^1(\Omega)$ onto a finite dimensional subspace
May 14, 2019
question
4
Proving the inequality $|\nabla |\nabla^r \psi|| \le |\nabla^{r+1} \psi|$
Apr 1, 2018
question
4
A reference for $\nabla |u|^p = p\ \text{sgn}(u)|u|^{p-1}\nabla u$
Apr 6, 2019
question
4
Estimating the size of $\Omega_r=\{x\in\Omega: \text{dist}(x,\partial\Omega)<r \}$
Jan 4, 2021
Top network posts
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77
How to use \includegraphics?
57
What does a triple integral represent?
45
Differential "Freshman's dream" for Laplacian operator.
38
How to justify solving $f(x+1) + f(x) = g(x)$ using this spectral-like method?
27
Why is $\log(1+e^x) - \frac{x}{2}$ even?