user111

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approximation-theory

84/100 score

26/20 answers

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15

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

Dec 23, 2016

11

approximating the $|x|$ function

Mar 20, 2018

10

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

May 3, 2020

10

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

Aug 26, 2016

10

Recurrence of Legendre polynomial roots/ quadrature points

Sep 7, 2016

Questions

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21

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

Mar 25, 2016

6

Polynomials (or analytic functions) vanishing on a real algebraic set

May 10, 2019

4

Factorization of an analytic function in $\mathbb{C}^n$

Feb 26, 2023

2

Differentiability of the logarithmic potential

May 4, 2018

1

Reference for an IBVP for the linear homogeneous 1-D Schrödinger equation

Dec 8, 2023

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approximation-theory

84

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26

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cv.complex-variables

80

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24

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polynomials

51

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13

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reference-request

49

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18

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ca.classical-analysis-and-odes

43

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13

posts

Reputation

+10

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

+60

How to evaluate the following integral?

+10

Given any sequence of interpolating nodes, can we find a continuous function $f$ whose interpolating polynomials doesn't converge to $f$ point-wise

+10

Is there a generalisation of the Vivanti-Pringsheim theorem for several variables?

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