List questions from matrix-norms

Published on 25 Mar 2026 - 21:01

119

Views

How can one interpret a matrix norm like this $\| A \|_W := \|W^\frac{1}{2} A W^\frac{1}{2} \|_F$ for positive definite W?

Published on 11 Jan 2022 - 12:22

26

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Which norm is greater when exchanging a min operator

Published on 12 Jan 2022 - 20:25

79

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is $\sqrt{||T^TT||_2}$ a matrix norm of T?

Published on 14 Jan 2022 - 0:59

256

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A closed form relation to compute the spectral norm of a 2x2 real matrix

Published on 25 Mar 2026 - 22:04

399

Views

Upper Bound for the Induced 2-Norm $\|(A+B)^{-1}A\|$

Published on 25 Mar 2026 - 20:34

198

Views

Estimating operator norm with random variables

Published on 18 Jan 2022 - 1:06

63

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Help on showing Frobenius norm inequality

Published on 19 Jan 2022 - 15:50

51

Views

Operator norm as tensor product norm on non-commutative algebras

Published on 24 Jan 2022 - 19:47

60

Views

Derivative of elementwise operation

Published on 24 Jan 2022 - 20:00

86

Views

How to proof $\lVert AB\rVert_{\infty} \le \lVert A\rVert_{\infty} \lVert B\rVert_{\infty}$

Published on 26 Jan 2022 - 16:44

12

Views

Maximum of subordinated norm on $\mathbb{R}^2$

Published on 17 Mar 2026 - 22:32

98

Views

Can one define a matrix norm invariant under $SL(2,\mathbb{C})$?

Published on 31 Jan 2022 - 15:06

137

Views

Bounding the norms of the powers of a $2\times 2$ matrix

Published on 27 Mar 2026 - 4:18

473

Views

Lower bound of Frobenius norm of the inverse

Published on 15 Feb 2022 - 19:20

List Question

notation problem about $\left|\nabla f\right|$ and choice of vector norm

How can one interpret a matrix norm like this $\| A \|_W := \|W^\frac{1}{2} A W^\frac{1}{2} \|_F$ for positive definite W?

Which norm is greater when exchanging a min operator

is $\sqrt{||T^TT||_2}$ a matrix norm of T?

A closed form relation to compute the spectral norm of a 2x2 real matrix

Upper Bound for the Induced 2-Norm $\|(A+B)^{-1}A\|$

Estimating operator norm with random variables

Help on showing Frobenius norm inequality

Operator norm as tensor product norm on non-commutative algebras

Derivative of elementwise operation

How to proof $\lVert AB\rVert_{\infty} \le \lVert A\rVert_{\infty} \lVert B\rVert_{\infty}$

Maximum of subordinated norm on $\mathbb{R}^2$

Can one define a matrix norm invariant under $SL(2,\mathbb{C})$?

Bounding the norms of the powers of a $2\times 2$ matrix

Lower bound of Frobenius norm of the inverse

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