User user111 - MathOverflow Meta

user111

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Mar 25

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21

Density of polynomials in $C^k(\overline\Omega)$

15

Find the maximum of $|a_{p}|$, if $a_0+a_1x+\dots+a_nx^n:[-1,1]\mapsto [-1,1]$

11

approximating the $|x|$ function

10

Complex plane minus Cantor set admits non-constant bounded harmonic function

10

Any reference for the series expansion of $\Bigr[-\log(1-t)\Bigr]^x$?