Question

inverse of lower triangular matrix with factorials

score 235 · Answer 1 · 2026-05-03 10:55:59

235

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inverse of lower triangular matrix with factorials

Published on 03 May 2026 - 10:55

score 248 · Answer 2 · 2026-04-13 10:42:31

248

Views

Finding the number of numbers such that sum of digits is at most $11$

Published on 13 Apr 2026 - 10:42

score 173 · Answer 3 · 2026-04-15 17:46:46

173

Views

Number of possibilities to seat $3$ pairs of husbands and wives so that at least one husband and wife sit together

Published on 15 Apr 2026 - 17:46

score 442 · Answer 4 · 2026-04-15 00:21:54

442

Views

Mysterious Characterization of $A_5$ inside $S_5$

Published on 15 Apr 2026 - 0:21

score 544 · Answer 5 · 2026-04-16 10:32:08

544

Views

Example of a subgroup of $S_6$, of order $8$.

Published on 16 Apr 2026 - 10:32

score 98 · Answer 6 · 2026-05-10 13:48:41

98

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8 bunnies and 3 directions

Published on 10 May 2026 - 13:48

score 5.3k · Answer 7 · 2026-04-17 09:35:08

5.3k

Views

List all size $4$ subsets from the set $\{A,B,C,D,E,F\}$

Published on 17 Apr 2026 - 9:35

score 59 · Answer 8 · 2026-04-29 12:24:02

59

Views

Smallest $n\in \mathbb{Z}_{>0}$ for existence of a monomorphism $G \rightarrow S_n$

Published on 29 Apr 2026 - 12:24

score 139 · Answer 9 · 2026-05-03 17:38:26

139

Views

What breaks if I use a $G$-module instead of a $\mathbb{K}[G]$-module: Induced reps, Frobenius reciprocity?

Published on 03 May 2026 - 17:38

score 148 · Answer 10 · 2026-04-12 19:54:40

148

Views

How many ways can a drummer with a varying amount of limbs play?

Published on 12 Apr 2026 - 19:54

score 516 · Answer 11 · 2026-04-13 05:03:06

516

Views

In how many ways can $4$ boys and $4$ girls be seated in $2$ concentric circles if there are four in each circle?

Published on 13 Apr 2026 - 5:03

score 927 · Answer 12 · 2026-04-14 06:11:14

927

Views

generating functions permutation

Published on 14 Apr 2026 - 6:11

score 529 · Answer 13 · 2026-04-13 22:10:44

529

Views

Probability of $6$ balls around a circle

Published on 13 Apr 2026 - 22:10

score 75 · Answer 14 · 2026-04-16 00:31:35

75

Views

Arranging persons so that any of the ladies and childern does not sit together

Published on 16 Apr 2026 - 0:31

score 120 · Answer 15 · 2026-05-10 12:34:12

120

Views

$A=\frac{a}{7}+\frac{b}{7^2}+\frac{c}{7^3}+\frac{d}{7^4}$ where all variables are (0-6)

Published on 10 May 2026 - 12:34

List Question

inverse of lower triangular matrix with factorials

Finding the number of numbers such that sum of digits is at most $11$

Number of possibilities to seat $3$ pairs of husbands and wives so that at least one husband and wife sit together

Mysterious Characterization of $A_5$ inside $S_5$

Example of a subgroup of $S_6$, of order $8$.

8 bunnies and 3 directions

List all size $4$ subsets from the set $\{A,B,C,D,E,F\}$

Smallest $n\in \mathbb{Z}_{>0}$ for existence of a monomorphism $G \rightarrow S_n$

What breaks if I use a $G$-module instead of a $\mathbb{K}[G]$-module: Induced reps, Frobenius reciprocity?

How many ways can a drummer with a varying amount of limbs play?

In how many ways can $4$ boys and $4$ girls be seated in $2$ concentric circles if there are four in each circle?

generating functions permutation

Probability of $6$ balls around a circle

Arranging persons so that any of the ladies and childern does not sit together

$A=\frac{a}{7}+\frac{b}{7^2}+\frac{c}{7^3}+\frac{d}{7^4}$ where all variables are (0-6)

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