List questions from normed-spaces

Published on 24 Jun 2020 - 19:17

60

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continuity and norm from a Hilbert space to a Hilbert space

Published on 12 Apr 2026 - 5:55

373

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upper bound for quadratic form in terms of vector norm and eigenvalues

Published on 28 Mar 2026 - 17:39

616

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Frobenius norm involving Kronecker Product

Published on 09 Apr 2026 - 22:34

57

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Matrix norm proving calculation problem.

Published on 10 Apr 2026 - 6:54

43

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Uniform continuity of the left translation operator

Published on 12 Apr 2026 - 15:48

17

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Compact normed real - spaces.

Published on 11 Apr 2026 - 10:09

185

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Norm of convolution of $f$ and $g$ where $f \in L^1(R)$ and $g \in L^p(R)$

Published on 30 Mar 2026 - 13:24

98

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Is this norm equivalent to the $\ell_1$ norm?

Published on 12 Apr 2026 - 16:06

231

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Sequence of functions that converges strongly in $L^2(\mathbb R)$ but not pointwise

Published on 11 Apr 2026 - 13:02

68

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Show that a subset of $C(\mathbb{R})$ is compact with norm $\lVert u\rVert = \sup\lvert\frac{u(x)}{x^2 +1} \rvert$

Published on 09 Apr 2026 - 13:56

452

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Question about $\lim _{q \rightarrow \infty}\|f\|_{q}=\|f\|_{\infty}$

Published on 06 Apr 2026 - 17:22

39

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Show operator norm attains value under Euclidean norm in $\mathbb{R^n}$

Published on 12 Apr 2026 - 19:48

157

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Inequality on ratio of norms

Published on 25 Mar 2026 - 17:40

6.1k

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Addition/Subtraction of vectors regarding norm

Published on 11 Apr 2026 - 12:47

List Question

unique solution of l1 minimizer is sparse

continuity and norm from a Hilbert space to a Hilbert space

upper bound for quadratic form in terms of vector norm and eigenvalues

Frobenius norm involving Kronecker Product

Matrix norm proving calculation problem.

Uniform continuity of the left translation operator

Compact normed real - spaces.

Norm of convolution of $f$ and $g$ where $f \in L^1(R)$ and $g \in L^p(R)$

Is this norm equivalent to the $\ell_1$ norm?

Sequence of functions that converges strongly in $L^2(\mathbb R)$ but not pointwise

Show that a subset of $C(\mathbb{R})$ is compact with norm $\lVert u\rVert = \sup\lvert\frac{u(x)}{x^2 +1} \rvert$

Question about $\lim _{q \rightarrow \infty}\|f\|_{q}=\|f\|_{\infty}$

Show operator norm attains value under Euclidean norm in $\mathbb{R^n}$

Inequality on ratio of norms

Addition/Subtraction of vectors regarding norm

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