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cs89
  • Member for 10 years, 7 months
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  • Paris, France
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question
12
Where to upload digitized LaTeX versions of old papers?
Oct 29, 2021
question
8
When are complex polynomial maps surjective?
Jan 17, 2020
question
7
Proving that a specific kernel is positive definite
May 13, 2014
answer
7
Can we interpret fractional Sobolev spaces in terms of fractional derivatives?
May 10, 2023
question
5
Hardy-Littlewood-Sobolev inequality using fractional sobolev norm on the RHS
Apr 13, 2015
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4
Is the product of $u \in W^{\sigma,1}(\Omega)$ and $v \in C^{0,\sigma}(\Omega)$ again in $W^{\sigma,1}(\Omega)$?
Apr 26, 2023
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3
Lie subalgebra as the intersection of the subalgebra and the Lie subalgebra
Nov 25, 2019
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3
Tauberian lower bound for a series
Mar 29, 2022
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3
Does Noetherianity imply division theorem?
Feb 25, 2023
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3
The relation between the convergence of the infinite integral of xf' and f
Mar 30, 2022
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11
Prove $ \frac{x_1-x_2}{x_n+x_1} + \frac{x_2-x_3}{x_1+x_2}+\cdots+ \frac{x_n-x_1}{x_{n-1} +x_n}\le 0$ s.t. $x_1+\cdots+x_n=1$
10
Shape that a bending rod makes
9
Is a piecewise linear function always a sum of concave and convex functions?
5
Generalisation of Baker–Campbell–Hausdorff (Matrix exponential simplification)