Question

Pigeonhole-like property on permutations of a finite cyclic group

score 63 · Answer 1 · 2021-05-02 08:11:51

63

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Pigeonhole-like property on permutations of a finite cyclic group

Published on 02 May 2021 - 8:11

score 71 · Answer 2 · 2021-05-07 06:19:04

71

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Weaken Ramsey's Number $R(4,4)$ from $18$ to $20$ , for a simpler proof.

Published on 07 May 2021 - 6:19

score 1.1k · Answer 3 · 2021-05-08 09:06:10

1.1k

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Let m be any positve integer. Then prove that there exists a positive integer n such that m divides $2^n$-1.

Published on 08 May 2021 - 9:06

score 124 · Answer 4 · 2021-05-14 11:06:29

124

Views

Prove that the weight of all coins can be determined by weighing $n/\log_2(n+1)$ subsets

Published on 14 May 2021 - 11:06

score 901 · Answer 5 · 2021-05-20 19:29:38

901

Views

Pigeonhole-Principle

Published on 20 May 2021 - 19:29

score 68 · Answer 6 · 2026-03-28 03:01:07

68

Views

Help with understanding if my way to solve the riddle works or not

Published on 28 Mar 2026 - 3:01

score 163 · Answer 7 · 2021-05-27 21:06:02

163

Views

Pigeonhole principle in terms of measure of sets

Published on 27 May 2021 - 21:06

score 83 · Answer 8 · 2021-06-02 21:56:16

83

Views

Pigeonhole principle problem analysis

Published on 02 Jun 2021 - 21:56

score 116 · Answer 9 · 2021-06-09 07:35:27

116

Views

Product of $n$ positive integers with at most $n-1$ prime divisors

Published on 09 Jun 2021 - 7:35

score 388 · Answer 10 · 2021-06-09 13:42:12

388

Views

What does "parity pattern" mean?

Published on 09 Jun 2021 - 13:42

score 39 · Answer 11 · 2021-06-09 15:13:20

39

Views

Let $ S = \{ z_1,...,z_{100} \} \subseteq \Bbb R $. By PHP show $\exists T\subseteq S$.$\exists m\in\Bbb Z$. $|\sum_{x\in T}x-m|\leq\frac{1}{100}$

Published on 09 Jun 2021 - 15:13

score 66 · Answer 12 · 2021-06-16 20:03:56

66

Views

Confusion : Show that in a simple graph with 'n' vertices, has at least two vertices with the same number of degree.

Published on 16 Jun 2021 - 20:03

score 56 · Answer 13 · 2026-03-29 04:33:52

56

Views

Circle dividing a set of points

Published on 29 Mar 2026 - 4:33

score 66 · Answer 14 · 2026-03-26 19:14:27

66

Views

Minimum for combinatorial sortingproblem

Published on 26 Mar 2026 - 19:14

score 166 · Answer 15 · 2021-06-27 15:56:04

166

Views

When sum of 100 terms is zero

Published on 27 Jun 2021 - 15:56

List Question

Pigeonhole-like property on permutations of a finite cyclic group

Weaken Ramsey's Number $R(4,4)$ from $18$ to $20$ , for a simpler proof.

Let m be any positve integer. Then prove that there exists a positive integer n such that m divides $2^n$-1.

Prove that the weight of all coins can be determined by weighing $n/\log_2(n+1)$ subsets

Pigeonhole-Principle

Help with understanding if my way to solve the riddle works or not

Pigeonhole principle in terms of measure of sets

Pigeonhole principle problem analysis

Product of $n$ positive integers with at most $n-1$ prime divisors

What does "parity pattern" mean?

Let $ S = \{ z_1,...,z_{100} \} \subseteq \Bbb R $. By PHP show $\exists T\subseteq S$.$\exists m\in\Bbb Z$. $|\sum_{x\in T}x-m|\leq\frac{1}{100}$

Confusion : Show that in a simple graph with 'n' vertices, has at least two vertices with the same number of degree.

Circle dividing a set of points

Minimum for combinatorial sortingproblem

When sum of 100 terms is zero

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