Calculating all possible combinations in string of letters/digits (they can repeat) if for example "B" and "8" aren't allowed to be next to each other

score 181 · Answer 7 · 2018-05-07 22:19:54

181

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Is there any formula for the following permutation?

Published on 07 May 2018 - 22:19

score 47 · Answer 8 · 2018-05-09 03:39:44

47

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The number of elements of order 3 in $S_7$ is?

Published on 09 May 2018 - 3:39

score 35 · Answer 9 · 2018-05-09 14:43:23

35

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Arrangement related question

Published on 09 May 2018 - 14:43

score 419 · Answer 10 · 2018-05-09 22:37:36

419

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Permutation as disjoint cycles

Published on 09 May 2018 - 22:37

score 55 · Answer 11 · 2018-05-09 23:07:51

55

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Calculate $\alpha \sigma \alpha ^{-1}$

Published on 09 May 2018 - 23:07

score 279 · Answer 12 · 2026-03-25 12:24:19

279

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How many conjugates cycles are in a cycle?

Published on 25 Mar 2026 - 12:24

score 38 · Answer 13 · 2018-05-10 02:38:52

38

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Product of the cycles of permutation group

Published on 10 May 2018 - 2:38

score 122 · Answer 14 · 2018-05-10 03:29:57

122

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There is no $\alpha$ such that $\alpha(123) \alpha^{-1}=(13)(578)$

Published on 10 May 2018 - 3:29

score 72 · Answer 15 · 2018-05-10 13:37:37

72

Views

Total number of permutations of zeros and ones

Published on 10 May 2018 - 13:37

List Question

Exercise 1.14 (ii) from Rotman's book "An Introduction to the Theory of Groups".

Proving that $H$ is a subgroup of $\mathcal{S}_n$.

what is the relation between probability vs permutations and combinations?

What good algorithms are there for shuffling (scrambling) 1 to n objects?

Arrangements of 3 baskets, 2 misses through Combinations or Permutations?

Calculating all possible combinations in string of letters/digits (they can repeat) if for example "B" and "8" aren't allowed to be next to each other

Is there any formula for the following permutation?

The number of elements of order 3 in $S_7$ is?

Arrangement related question

Permutation as disjoint cycles

Calculate $\alpha \sigma \alpha ^{-1}$

How many conjugates cycles are in a cycle?

Product of the cycles of permutation group

There is no $\alpha$ such that $\alpha(123) \alpha^{-1}=(13)(578)$

Total number of permutations of zeros and ones

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