Question

On the co-primality of bracelet-type binary numbers

score 45 · Answer 1 · 2026-02-23 06:36:31

45

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On the co-primality of bracelet-type binary numbers

Published on 23 Feb 2026 - 6:36

score 74 · Answer 2 · 2019-09-15 15:12:50

74

Views

Can we swap items in a list an odd number of times without changing it?

Published on 15 Sep 2019 - 15:12

score 75 · Answer 3 · 2019-09-15 15:31:34

75

Views

Question for product and inverse in group theory I think

Published on 15 Sep 2019 - 15:31

score 215 · Answer 4 · 2026-03-25 07:44:58

215

Views

Number of lines in a tic tac toe of width $w$ and dimension $d$

Published on 25 Mar 2026 - 7:44

score 155 · Answer 5 · 2026-03-25 17:26:27

155

Views

Decomposing a cycle into transpositions

Published on 25 Mar 2026 - 17:26

score 2k · Answer 6 · 2019-09-17 05:43:32

2k

Views

In how many ways can 20 persons be seated round a table if there are 9 chairs?

Published on 17 Sep 2019 - 5:43

score 85 · Answer 7 · 2026-04-08 08:40:04

85

Views

Algorithm for Gaussian elimination to permutation matrix over $\mathbb{Z}_2$

Published on 08 Apr 2026 - 8:40

score 110 · Answer 8 · 2019-09-18 06:32:45

110

Views

Help with difficult problem on permutations/combinations of n lower case letters

Published on 18 Sep 2019 - 6:32

score 193 · Answer 9 · 2026-03-27 02:48:25

193

Views

Transformation of a permutation matrix

Published on 27 Mar 2026 - 2:48

score 1.4k · Answer 10 · 2019-09-19 01:00:59

1.4k

Views

How many permutations of the letters A to H if the three letters ABC must appear together but not necessarily consecutively?

Published on 19 Sep 2019 - 1:00

score 611 · Answer 11 · 2026-03-25 17:26:32

611

Views

Partial Derangement formula for permutation with repeated elements

Published on 25 Mar 2026 - 17:26

score 415 · Answer 12 · 2026-03-26 19:18:27

415

Views

orthogonal similarity transformation of a diagonal matrix by a permutation matrix: reverse direction

Published on 26 Mar 2026 - 19:18

score 238 · Answer 13 · 2019-09-19 20:30:15

238

Views

Permutation or Combination or

Published on 19 Sep 2019 - 20:30

score 1.1k · Answer 14 · 2019-09-20 01:39:12

1.1k

Views

I have 100 hundred different items. How to I calculate all possible combinations?

Published on 20 Sep 2019 - 1:39

score 84 · Answer 15 · 2026-04-03 15:59:17

84

Views

Labelling of the elements of $\Theta \le S_n$ such that also $\Gamma_\Theta \le S_n$

Published on 03 Apr 2026 - 15:59

List Question

On the co-primality of bracelet-type binary numbers

Can we swap items in a list an odd number of times without changing it?

Question for product and inverse in group theory I think

Number of lines in a tic tac toe of width $w$ and dimension $d$

Decomposing a cycle into transpositions

In how many ways can 20 persons be seated round a table if there are 9 chairs?

Algorithm for Gaussian elimination to permutation matrix over $\mathbb{Z}_2$

Help with difficult problem on permutations/combinations of n lower case letters

Transformation of a permutation matrix

How many permutations of the letters A to H if the three letters ABC must appear together but not necessarily consecutively?

Partial Derangement formula for permutation with repeated elements

orthogonal similarity transformation of a diagonal matrix by a permutation matrix: reverse direction

Permutation or Combination or

I have 100 hundred different items. How to I calculate all possible combinations?

Labelling of the elements of $\Theta \le S_n$ such that also $\Gamma_\Theta \le S_n$

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