List questions from permutation-matrices

Published on 30 Oct 2023 - 14:47

23

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Counting row permutations that result in nonzero diagonals

Published on 31 Oct 2023 - 4:13

64

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How many $3 \times 3$ matrices are sum of $r$ permutation matrices?

Published on 22 Nov 2023 - 18:46

29

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Number of different types of n-permutation

Published on 28 Nov 2023 - 16:06

17

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Finding a Permutation Matrix of Two Matrices

Published on 13 Mar 2026 - 13:47

36

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Invertible matrices acting on set of subspaces of the same dimension

Published on 22 Jan 2024 - 15:15

191

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Prove that modified RBF function satisfies Mercer conditions.

Published on 25 Mar 2026 - 6:10

101

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How to deduce: $T(x_1, \dots , x_i+x_j, \dots, x_i+x_j, \dots , x_n) = 0$?

Published on 23 Feb 2026 - 10:06

32

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Need some help understanding Artin 1.5.10 proof on the product of permutations.

Published on 11 Feb 2024 - 12:37

135

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Conditions for equivalence of $[A,BC] = 0$ and $[AB,C] = 0$

Published on 22 Feb 2024 - 18:38

15

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Decomposing Signed Permutations

Published on 04 Mar 2026 - 16:18

2k

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Deducing that the inverse of a permutation matrix is its transpose

Published on 25 Apr 2015 - 13:06

4.9k

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Symmetric permutation matrix

Published on 05 Jun 2015 - 2:50

1.6k

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Understanding representation of permutation matrix as vector

Published on 18 Jun 2015 - 19:37

2.2k

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Multiplying permutation matrix by itself to get identity

Published on 01 Nov 2015 - 22:48

List Question

Properties of matrices whose columns are permutations

Counting row permutations that result in nonzero diagonals

How many $3 \times 3$ matrices are sum of $r$ permutation matrices?

Number of different types of n-permutation

Finding a Permutation Matrix of Two Matrices

Invertible matrices acting on set of subspaces of the same dimension

Prove that modified RBF function satisfies Mercer conditions.

How to deduce: $T(x_1, \dots , x_i+x_j, \dots, x_i+x_j, \dots , x_n) = 0$?

Need some help understanding Artin 1.5.10 proof on the product of permutations.

Conditions for equivalence of $[A,BC] = 0$ and $[AB,C] = 0$

Decomposing Signed Permutations

Deducing that the inverse of a permutation matrix is its transpose

Symmetric permutation matrix

Understanding representation of permutation matrix as vector

Multiplying permutation matrix by itself to get identity

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