Question

inverse of lower triangular matrix with factorials

score 226 · Answer 1 · 2026-03-19 18:20:51

226

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inverse of lower triangular matrix with factorials

Published on 19 Mar 2026 - 18:20

score 246 · Answer 2 · 2026-03-25 06:22:13

246

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

Published on 25 Mar 2026 - 6:22

score 170 · Answer 3 · 2018-01-23 16:56:46

170

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

Published on 23 Jan 2018 - 16:56

score 441 · Answer 4 · 2026-03-24 23:45:09

441

Views

Mysterious Characterization of $A_5$ inside $S_5$

Published on 24 Mar 2026 - 23:45

score 541 · Answer 5 · 2018-01-23 17:31:25

541

Views

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

Published on 23 Jan 2018 - 17:31

score 94 · Answer 6 · 2026-03-25 06:24:26

94

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8 bunnies and 3 directions

Published on 25 Mar 2026 - 6:24

score 5.3k · Answer 7 · 2018-01-24 19:10:02

5.3k

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

Published on 24 Jan 2018 - 19:10

score 54 · Answer 8 · 2026-03-19 21:57:25

54

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

Published on 19 Mar 2026 - 21:57

score 131 · Answer 9 · 2026-03-22 08:29:50

131

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

Published on 22 Mar 2026 - 8:29

score 145 · Answer 10 · 2018-01-25 02:34:28

145

Views

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

Published on 25 Jan 2018 - 2:34

score 513 · Answer 11 · 2018-01-25 05:47:03

513

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 25 Jan 2018 - 5:47

score 922 · Answer 12 · 2018-01-25 07:13:53

922

Views

generating functions permutation

Published on 25 Jan 2018 - 7:13

score 526 · Answer 13 · 2018-01-25 11:42:45

526

Views

Probability of $6$ balls around a circle

Published on 25 Jan 2018 - 11:42

score 72 · Answer 14 · 2018-01-25 12:26:59

72

Views

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

Published on 25 Jan 2018 - 12:26

score 117 · Answer 15 · 2026-03-25 07:16:35

117

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 25 Mar 2026 - 7:16

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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