List questions from permutation-matrices

Published on 20 May 2022 - 20:14

113

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Solving equations in permutation group

Published on 03 Jun 2022 - 19:45

91

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How to find a matrix such that each row and col sums to 1

Published on 19 Jul 2022 - 22:40

82

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Min. Number of Sparse Matrix Elements to preserve Matrix Properties under Permutations

Published on 29 Aug 2022 - 22:01

119

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Multiplication in $S_4$ with cycle notation and permutation matrices

Published on 31 Aug 2022 - 20:08

107

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Is the cone of symmetric diagonally dominant matrices invariant under the conjugation by orthogonal matrices

Published on 27 Sep 2022 - 0:51

13

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Selecting independent features for random forest

Published on 08 Oct 2022 - 22:56

146

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Non-negative integer matrix representations of finite groups

Published on 10 Oct 2022 - 23:16

70

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Generating $S_n$ with subsets and permutations

Published on 15 Oct 2022 - 15:56

63

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Are all matrices $A$ with $A^T=A^{-1}$ permutation matrices?

Published on 19 Oct 2022 - 17:19

37

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Finding a set of matrices that lets you read off order of multiplication

Published on 29 Oct 2022 - 22:00

38

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Generalizing permutation matrices

Published on 14 Nov 2022 - 19:42

63

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Matrix - exchanging elements

Published on 16 Nov 2022 - 18:04

55

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Is there a short representation for the convex hull of all row and column permutations of a matrix?

Published on 25 Mar 2026 - 22:27

48

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Can you find these sets of permutations?

Published on 03 Dec 2022 - 20:29

List Question

What set of matrices $X,Y$ satisfy $X \circ Y = X P Y$ for at least one permutation matrix $P$?

Solving equations in permutation group

How to find a matrix such that each row and col sums to 1

Min. Number of Sparse Matrix Elements to preserve Matrix Properties under Permutations

Multiplication in $S_4$ with cycle notation and permutation matrices

Is the cone of symmetric diagonally dominant matrices invariant under the conjugation by orthogonal matrices

Selecting independent features for random forest

Non-negative integer matrix representations of finite groups

Generating $S_n$ with subsets and permutations

Are all matrices $A$ with $A^T=A^{-1}$ permutation matrices?

Finding a set of matrices that lets you read off order of multiplication

Generalizing permutation matrices

Matrix - exchanging elements

Is there a short representation for the convex hull of all row and column permutations of a matrix?

Can you find these sets of permutations?

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