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Tomás's user avatar
Tomás's user avatar
Tomás
  • Member for 10 years, 6 months
  • Last seen more than 1 year ago
  • Brazil
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Top posts
question
18
How bad can the second derivative of a convex function be?
Mar 22, 2017
question
4
A particular Diophantine approximation of $\pi/2$
Mar 29, 2016
question
4
Weak closure of subsets of the unitary sphere of a Banach space
Dec 10, 2018
question
2
Maximizing $\|u\|_q\|u\|_p$ over the unitary sphere in the Sobolev space $H_0^1(\Omega)$
Aug 5, 2016
question
1
Transformation which sends asymptotic lines to principal lines over a surface
Jul 13, 2017
Top network posts
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39
$\ell_p$ is Hilbert if and only if $p=2$
36
Why convolution regularize functions?
28
Is there a norm in $C^\infty ([a,b])$ which makes it a Banach space?
28
Different ways to prove $\sum_{k=1}^\infty \frac{1}{k^2}=\frac{\pi^2}{6}$ (the Basel problem)
23
What will be the support of the convolution of two test functions.