List questions from normed-spaces

Published on 09 Oct 2014 - 6:42

80

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Cauchy Sequence some challenge

Published on 27 Mar 2026 - 10:16

77

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Cauchy Sequences Lemma in Vector Space E

Published on 27 Mar 2026 - 18:25

71

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Projection function preserving distance

Published on 09 Oct 2014 - 10:42

293

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Computing a "cheap" upper bound on the norm of the solution to a linear system

Published on 29 Mar 2026 - 16:38

225

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Finding the norm of a complex trigonometric function?

Published on 10 Oct 2014 - 0:33

60

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$\|T^T\|=\max\{\lambda: \lambda \text{ is an eigen value of } T^T\}$

Published on 10 Oct 2014 - 9:59

1.4k

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Can you divide by matrix norms in an equation?

Published on 12 Oct 2014 - 23:41

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Why are the spectral norms $\|A^{}A\|_2$, $\|AA^{}\|_2$ and $\|A\|_2^2$ equal?

Published on 25 Mar 2026 - 6:04

353

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Why isn't $\,\mathcal C[0,1]$ a Banach space in this unusual norm?

Published on 27 Mar 2026 - 16:39

1.6k

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Space of real polynomials of one variable isn't complete

Published on 01 Apr 2026 - 6:07

47

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Is it possible to find the norm fuction of a space from an inner product already defined for it?

Published on 04 Apr 2026 - 17:15

5k

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Norms -- Distance Between Vectors

Published on 14 Oct 2014 - 20:22

54

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Some Strange Minimum and proof

Published on 15 Oct 2014 - 9:31

240

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Do these limits commute?

Published on 03 Apr 2026 - 6:30

List Question

when norm of an operator is given by max of eigen values modulas

Cauchy Sequence some challenge

Cauchy Sequences Lemma in Vector Space E

Projection function preserving distance

Computing a "cheap" upper bound on the norm of the solution to a linear system

Finding the norm of a complex trigonometric function?

$\|T^T\|=\max\{\lambda: \lambda \text{ is an eigen value of } T^T\}$

Can you divide by matrix norms in an equation?

Why are the spectral norms $\|A^{}A\|_2$, $\|AA^{}\|_2$ and $\|A\|_2^2$ equal?

Why isn't $\,\mathcal C[0,1]$ a Banach space in this unusual norm?

Space of real polynomials of one variable isn't complete

Is it possible to find the norm fuction of a space from an inner product already defined for it?

Norms -- Distance Between Vectors

Some Strange Minimum and proof

Do these limits commute?

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