List questions from normed-spaces

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Finding the operator norm in $L^p$ spaces

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Confusion about proof of Unit Balls are not compact in Infinite Dimensional Normed Spaces with Riesz's Lemma

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Prove the induced matrix norm $\|A\|_\infty = \max_i \| a^*_i \|_1$

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Prove the equivalence of the matrix $2$-norm and $\infty$-norm.

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Why $\|a+b\|^2 = \|a\|^2 + \|b\|^2 + 2\langle a,b \rangle$?

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Is $\|u v\|_{L^2} \lesssim \|u\|_{L^\infty}\|v\|_{L^2}$ true because of Holder's inequality?

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Question regarding a proof in a paper

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Norms are equivalent if one hand side of inequality holds

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Derivative of Euclidean norm (L2 norm)

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prove unitary variance of operator 2 norm

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Does unit sphere $S$ homeomorphic to $[0,1]$

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Lévy metric and distribution function

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Inner Products on $\mathbb C^d$ Are Equivalent

Published on 26 Mar 2026 - 16:10

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$E[X^4]+E[X]^4 \geq 2E[X^2]^2$ for $X \geq 0$

Published on 24 May 2018 - 17:40

List Question

Then dual map of a linear operator.

Finding the operator norm in $L^p$ spaces

Confusion about proof of Unit Balls are not compact in Infinite Dimensional Normed Spaces with Riesz's Lemma

Prove the induced matrix norm $\|A\|_\infty = \max_i \| a^*_i \|_1$

Prove the equivalence of the matrix $2$-norm and $\infty$-norm.

Why $\|a+b\|^2 = \|a\|^2 + \|b\|^2 + 2\langle a,b \rangle$?

Is $\|u v\|_{L^2} \lesssim \|u\|_{L^\infty}\|v\|_{L^2}$ true because of Holder's inequality?

Question regarding a proof in a paper

Norms are equivalent if one hand side of inequality holds

Derivative of Euclidean norm (L2 norm)

prove unitary variance of operator 2 norm

Does unit sphere $S$ homeomorphic to $[0,1]$

Lévy metric and distribution function

Inner Products on $\mathbb C^d$ Are Equivalent

$E[X^4]+E[X]^4 \geq 2E[X^2]^2$ for $X \geq 0$

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