Question

Abstract Algebra Proof with cycles and transpositions

score 215 · Answer 1 · 2026-03-25 06:01:56

215

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Abstract Algebra Proof with cycles and transpositions

Published on 25 Mar 2026 - 6:01

score 156 · Answer 2 · 2018-10-11 07:46:07

156

Views

Arranging 3 types of balls.

Published on 11 Oct 2018 - 7:46

score 54 · Answer 3 · 2018-10-11 10:23:19

54

Views

Not all symmetric sets are shift-invariant

Published on 11 Oct 2018 - 10:23

score 20k · Answer 4 · 2018-10-11 12:36:58

A five-digit number is formed using digits 1, 3, 5, 7 and 9 without repeating any one of them. What is the sum of all such possible numbers?

score 42 · Answer 5 · 2018-10-11 16:20:51

42

Views

Question about binomial distribution and permutation.

Published on 11 Oct 2018 - 16:20

score 1.6k · Answer 6 · 2018-10-11 18:59:50

1.6k

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There are $3$ boys and $3$ girls. How many ways can they be arranged in a way that two girls won't be together?

Published on 11 Oct 2018 - 18:59

score 58 · Answer 7 · 2026-03-28 12:39:23

58

Views

How to create subsequences from a set of ordered integers given the specified constraints.

Published on 28 Mar 2026 - 12:39

score 263 · Answer 8 · 2018-10-11 21:41:19

263

Views

Number of words in mumbo-jumbo tribe's language

Published on 11 Oct 2018 - 21:41

score 79 · Answer 9 · 2026-03-25 04:42:29

79

Views

Why did this reversal from the left cosets of $\langle (1, 2, 3) \rangle$ in $A_4$ give me the right cosets?

Published on 25 Mar 2026 - 4:42

score 39 · Answer 10 · 2018-10-12 09:42:51

39

Views

Is Partition Formula wrong when dividing 2 into 2 classes?

Published on 12 Oct 2018 - 9:42

score 95 · Answer 11 · 2026-03-27 19:33:43

95

Views

Randomly permute $\{1,\cdots,100\}$. What is the probability that none of the $S_k$'s defined by $\sigma(1)+\cdots+\sigma(k)$ is divisible by $3$?

Published on 27 Mar 2026 - 19:33

score 157 · Answer 12 · 2018-10-12 15:37:12

157

Views

How many permutations can there be?

Published on 12 Oct 2018 - 15:37

score 430 · Answer 13 · 2018-10-12 17:02:55

430

Views

Permutations with groups of different sizes

Published on 12 Oct 2018 - 17:02

score 628 · Answer 14 · 2018-10-13 02:37:08

628

Views

Let $A = \{1, 2, 3\}$. Write down all the permutations of $A$. Suppose $B = \{1, 2, 3, 4\}$. How many permutations of B are there?

Published on 13 Oct 2018 - 2:37

score 128 · Answer 15 · 2026-03-25 07:40:40

128

Views

In probability, Is there a relation between k-permutations and the multinomial coefficient ?

Published on 25 Mar 2026 - 7:40

List Question

Abstract Algebra Proof with cycles and transpositions

Arranging 3 types of balls.

Not all symmetric sets are shift-invariant

A five-digit number is formed using digits 1, 3, 5, 7 and 9 without repeating any one of them. What is the sum of all such possible numbers?

Question about binomial distribution and permutation.

There are $3$ boys and $3$ girls. How many ways can they be arranged in a way that two girls won't be together?

How to create subsequences from a set of ordered integers given the specified constraints.

Number of words in mumbo-jumbo tribe's language

Why did this reversal from the left cosets of $\langle (1, 2, 3) \rangle$ in $A_4$ give me the right cosets?

Is Partition Formula wrong when dividing 2 into 2 classes?

Randomly permute $\{1,\cdots,100\}$. What is the probability that none of the $S_k$'s defined by $\sigma(1)+\cdots+\sigma(k)$ is divisible by $3$?

How many permutations can there be?

Permutations with groups of different sizes

Let $A = \{1, 2, 3\}$. Write down all the permutations of $A$. Suppose $B = \{1, 2, 3, 4\}$. How many permutations of B are there?

In probability, Is there a relation between k-permutations and the multinomial coefficient ?

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