Question

Prove Kronecker sum of two diagonalizable matrices is diagonalizable

score 41 · Answer 1 · 2026-03-26 04:31:39

41

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Prove Kronecker sum of two diagonalizable matrices is diagonalizable

Published on 26 Mar 2026 - 4:31

score 17 · Answer 2 · 2023-12-10 15:57:49

17

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Pertubation of a commuting d-tuple of $2 \times 2$ matrices to a commuting diagonalizable d-tuple of matrices

Published on 10 Dec 2023 - 15:57

score 61 · Answer 3 · 2023-12-10 16:19:36

61

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A necessary and sufficient condition for a matrix to be invertible

Published on 10 Dec 2023 - 16:19

score 71 · Answer 4 · 2023-12-12 13:02:12

71

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Is this matrix diagonalizable for every value of $k$?

Published on 12 Dec 2023 - 13:02

score 45 · Answer 5 · 2023-12-14 21:24:01

$u$ is diagonalizable if and only if its minimal polynomial is split over $K$ and every subspace stable under $u$ has a stable complement.

score 26 · Answer 6 · 2023-12-22 20:03:57

26

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Deriving an endomorphism given its kernel and knowing that is not diagonalizable

Published on 22 Dec 2023 - 20:03

score 86 · Answer 7 · 2023-12-26 00:44:44

86

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How can I extend a function so that it is diagonalizable or not?

Published on 26 Dec 2023 - 0:44

score 53 · Answer 8 · 2023-12-27 22:04:24

53

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Sufficient conditions for a $3 \times 3$ matrix to be diagonalizable

Published on 27 Dec 2023 - 22:04

score 118 · Answer 9 · 2024-01-02 14:30:09

118

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$A$ is diagonalizable $\iff A^{-1}$ is diagonalizable.

Published on 02 Jan 2024 - 14:30

score 41 · Answer 10 · 2024-01-02 15:18:49

41

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If $f$ is diagonalizable but there exist an eigenspace with dimension greater than 1, then there are no cyclic vectors.

Published on 02 Jan 2024 - 15:18

score 136 · Answer 11 · 2024-01-05 03:55:48

136

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Prove that $T:B\mapsto AB+BA$ is bijective if and only if $\det(A)$ and $\text{tr}(A)$ are nonzero.

Published on 05 Jan 2024 - 3:55

score 63 · Answer 12 · 2024-01-06 07:10:27

63

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Nondiagonalizable Matrix

Published on 06 Jan 2024 - 7:10

score 49 · Answer 13 · 2024-01-08 03:06:47

49

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Matrix of recurrence relation is diagonalizable iff its eigenvalues are distinct?

Published on 08 Jan 2024 - 3:06

score 53 · Answer 14 · 2026-03-27 16:27:36

53

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How to determine a change of variable that makes the Hessian matrix diagonal?

Published on 27 Mar 2026 - 16:27

score 46 · Answer 15 · 2024-01-13 08:26:33

46

Views

Find the value(s) of parameter $a$ for which a certain matrix isn't diagonalizable in complex field

Published on 13 Jan 2024 - 8:26

List Question

Prove Kronecker sum of two diagonalizable matrices is diagonalizable

Pertubation of a commuting d-tuple of $2 \times 2$ matrices to a commuting diagonalizable d-tuple of matrices

A necessary and sufficient condition for a matrix to be invertible

Is this matrix diagonalizable for every value of $k$?

$u$ is diagonalizable if and only if its minimal polynomial is split over $K$ and every subspace stable under $u$ has a stable complement.

Deriving an endomorphism given its kernel and knowing that is not diagonalizable

How can I extend a function so that it is diagonalizable or not?

Sufficient conditions for a $3 \times 3$ matrix to be diagonalizable

$A$ is diagonalizable $\iff A^{-1}$ is diagonalizable.

If $f$ is diagonalizable but there exist an eigenspace with dimension greater than 1, then there are no cyclic vectors.

Prove that $T:B\mapsto AB+BA$ is bijective if and only if $\det(A)$ and $\text{tr}(A)$ are nonzero.

Nondiagonalizable Matrix

Matrix of recurrence relation is diagonalizable iff its eigenvalues are distinct?

How to determine a change of variable that makes the Hessian matrix diagonal?

Find the value(s) of parameter $a$ for which a certain matrix isn't diagonalizable in complex field

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