List questions from normed-spaces

Published on 11 Jul 2019 - 6:15

42

Views

Consider $C[a,b]$ and let $x_1, \dots, x_{n+1}$ be distinct points in $[a,b]$. Show that there are polynomials $p_{i}$ of degree $n$.

Published on 11 Jul 2019 - 23:36

61

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I am facing problem in understanding math symbol?

Published on 12 Jul 2019 - 5:54

55

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Why is $1=\ell (\frac{x_{0}-y_{n}}{\operatorname{dist}(x_{0},Y)})$

Published on 25 Mar 2026 - 11:21

290

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Prove no zero divisors of a ring with a radical in $\mathbb{Z}_7$

Published on 25 Mar 2026 - 10:57

96

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If $\mathcal{B}(A,E)$ is banach then $E$ is banach ($A$ is a set)

Published on 14 Jul 2019 - 6:15

27

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Question on convergence needed to determine upper bound for operator norm

Published on 14 Jul 2019 - 9:19

52

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Parameter activity in boolean expression

Published on 29 Mar 2026 - 2:10

90

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Inequality in Inner product spaces

Published on 03 Apr 2026 - 10:04

102

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$\| A \|_{L^2} \le \| A \|_{\infty}$ for symmetric matrices $A$

Published on 19 Jul 2019 - 7:12

58

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What is the relationship between the matrix norm and singular value decomposition?

Published on 26 Mar 2026 - 18:59

58

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If $Tx=0$ is $T$ necessarily closed

Published on 25 Mar 2026 - 7:41

707

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What is the norm divided by the dimension of the vector called?

Published on 22 Jul 2019 - 10:51

178

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How to show that $f:V\to V$ is linear?

Published on 23 Jul 2019 - 8:47

116

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matrix inequality for Schatten norm

Published on 23 Jul 2019 - 16:06

List Question

Normed space but not complete

Consider $C[a,b]$ and let $x_1, \dots, x_{n+1}$ be distinct points in $[a,b]$. Show that there are polynomials $p_{i}$ of degree $n$.

I am facing problem in understanding math symbol?

Why is $1=\ell (\frac{x_{0}-y_{n}}{\operatorname{dist}(x_{0},Y)})$

Prove no zero divisors of a ring with a radical in $\mathbb{Z}_7$

If $\mathcal{B}(A,E)$ is banach then $E$ is banach ($A$ is a set)

Question on convergence needed to determine upper bound for operator norm

Parameter activity in boolean expression

Inequality in Inner product spaces

$\| A \|_{L^2} \le \| A \|_{\infty}$ for symmetric matrices $A$

What is the relationship between the matrix norm and singular value decomposition?

If $Tx=0$ is $T$ necessarily closed

What is the norm divided by the dimension of the vector called?

How to show that $f:V\to V$ is linear?

matrix inequality for Schatten norm

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