Question

permutation of nothing

score 53 · Answer 1 · 2026-04-11 19:58:26

53

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permutation of nothing

Published on 11 Apr 2026 - 19:58

score 36 · Answer 2 · 2026-04-13 08:18:32

36

Views

Is there a name for the set of unique combinations of numbers of a set for a given combination depth?

Published on 13 Apr 2026 - 8:18

score 36 · Answer 3 · 2026-04-16 10:23:44

36

Views

How many combinations can you make with 4, 4, 7 and 7?

Published on 16 Apr 2026 - 10:23

score 160 · Answer 4 · 2026-03-26 12:36:41

160

Views

Number of Cycle in Permutations of 2D Grid

Published on 26 Mar 2026 - 12:36

score 44 · Answer 5 · 2026-04-13 15:02:08

44

Views

Conditional Permutations with allowed repeating

Published on 13 Apr 2026 - 15:02

score 196 · Answer 6 · 2026-04-10 17:42:46

196

Views

Why does the ordering function invert itself?

Published on 10 Apr 2026 - 17:42

score 84 · Answer 7 · 2026-04-11 15:15:21

84

Views

Proof of a simple permutation problem

Published on 11 Apr 2026 - 15:15

score 145 · Answer 8 · 2026-04-13 01:45:10

145

Views

N working antennas and M defective ones (combinatorics problem)

Published on 13 Apr 2026 - 1:45

score 802 · Answer 9 · 2026-04-15 15:31:30

802

Views

Maximizing score on a 120 questions multiple choice test where each question is worth 25, over the amount of answers you chose - points.

Published on 15 Apr 2026 - 15:31

score 250 · Answer 10 · 2026-03-29 15:21:32

250

Views

Permutations of a subset of combinations

Published on 29 Mar 2026 - 15:21

score 43 · Answer 11 · 2026-04-13 19:12:48

43

Views

Find the circle types with three cycles of a set

Published on 13 Apr 2026 - 19:12

score 68 · Answer 12 · 2026-04-15 22:49:51

68

Views

Constructing Schreier trees in O(n \log n)

Published on 15 Apr 2026 - 22:49

score 271 · Answer 13 · 2026-04-12 23:35:09

271

Views

Permutation matrix times its transposed matrix is equal to Identity Matrix - Proof

Published on 12 Apr 2026 - 23:35

score 252 · Answer 14 · 2026-04-15 23:11:30

252

Views

Permutations , Probablity and Combinations

Published on 15 Apr 2026 - 23:11

score 74 · Answer 15 · 2026-03-26 12:37:49

74

Views

Let $G=\langle a,b\rangle$. Prove neither $\langle a\rangle$ nor $\langle b \rangle$ are normal in $G,$ for $a=(1234)(57), b=(24)(5678)$.

Published on 26 Mar 2026 - 12:37

List Question

permutation of nothing

Is there a name for the set of unique combinations of numbers of a set for a given combination depth?

How many combinations can you make with 4, 4, 7 and 7?

Number of Cycle in Permutations of 2D Grid

Conditional Permutations with allowed repeating

Why does the ordering function invert itself?

Proof of a simple permutation problem

N working antennas and M defective ones (combinatorics problem)

Maximizing score on a 120 questions multiple choice test where each question is worth 25, over the amount of answers you chose - points.

Permutations of a subset of combinations

Find the circle types with three cycles of a set

Constructing Schreier trees in O(n \log n)

Permutation matrix times its transposed matrix is equal to Identity Matrix - Proof

Permutations , Probablity and Combinations

Let $G=\langle a,b\rangle$. Prove neither $\langle a\rangle$ nor $\langle b \rangle$ are normal in $G,$ for $a=(1234)(57), b=(24)(5678)$.

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