Question

Adjoint action on Lie algebra su(2) ($A \in SU(2), X \in \mathfrak{su(2)} \Rightarrow AXA^{-1}\in \mathfrak{su(2)}$)

score 548 · Answer 1 · 2026-03-29 03:45:06

548

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Adjoint action on Lie algebra su(2) ($A \in SU(2), X \in \mathfrak{su(2)} \Rightarrow AXA^{-1}\in \mathfrak{su(2)}$)

Published on 29 Mar 2026 - 3:45

score 342 · Answer 2 · 2015-12-30 22:31:30

342

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compare complexity of matrix transpose

Published on 30 Dec 2015 - 22:31

score 1k · Answer 3 · 2015-12-31 16:45:18

1k

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What should I know about half vectorization and Kronecker product to do this matrix differentation?

Published on 31 Dec 2015 - 16:45

score 202 · Answer 4 · 2016-01-01 14:18:28

202

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An equality involving matrix multiplication

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score 273 · Answer 5 · 2026-04-07 23:35:44

273

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score 2k · Answer 6 · 2016-01-05 16:11:22

2k

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Published on 05 Jan 2016 - 16:11

score 218 · Answer 7 · 2016-01-06 12:26:36

218

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Let $A \in M_n$ be stochastic and let $\lambda$ be any eigenvalue of A such that |λ| = 1. Why is $A$ power bounded?

Published on 06 Jan 2016 - 12:26

score 1.7k · Answer 8 · 2016-01-07 06:22:09

1.7k

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score 186 · Answer 9 · 2016-01-07 16:06:52

186

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score 1k · Answer 10 · 2026-04-08 20:18:18

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Published on 08 Apr 2026 - 20:18

score 285 · Answer 11 · 2026-04-03 14:56:16

285

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Published on 03 Apr 2026 - 14:56

score 209 · Answer 12 · 2016-01-10 10:46:31

209

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score 228 · Answer 13 · 2026-04-03 01:50:27

228

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score 10.1k · Answer 14 · 2016-01-12 11:44:06

10.1k

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Published on 12 Jan 2016 - 11:44

score 2.8k · Answer 15 · 2016-01-13 00:37:01

2.8k

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Published on 13 Jan 2016 - 0:37

List Question

Adjoint action on Lie algebra su(2) ($A \in SU(2), X \in \mathfrak{su(2)} \Rightarrow AXA^{-1}\in \mathfrak{su(2)}$)

compare complexity of matrix transpose

What should I know about half vectorization and Kronecker product to do this matrix differentation?

An equality involving matrix multiplication

Matrix multiplication identity proof

why the vector derivative of $\frac{d(x^Ta)}{dx} = \frac{d(a^Tx)}{dx} = a^T$, why it's $a^T$ not $a$

Let $A \in M_n$ be stochastic and let $\lambda$ be any eigenvalue of A such that |λ| = 1. Why is $A$ power bounded?

How to differentiate Residual sum of square

How to take derivative of a dot product?

How do I deal with this Diag operator when differentiating with respect to a matrix?

Derivative of a Dot product

Calculate the second-order derivative.

Matrix splitting procedures - is there equivalent of Helmholtz decomposition?

What is the colon operator between matrices?

Derivative of trace of matrix

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