Question

Max size of $B \subset \{1, 2, \ldots, 3n+1\}$ for which no distinct $x, y, z \in B$ have sum in $B$

score 75 · Answer 1 · 2016-05-19 05:09:08

75

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Max size of $B \subset \{1, 2, \ldots, 3n+1\}$ for which no distinct $x, y, z \in B$ have sum in $B$

Published on 19 May 2016 - 5:09

score 1.8k · Answer 2 · 2016-05-19 19:49:52

1.8k

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Pigeon Hole Priciple and Genaralized Pigeon Hole Principle Question

Published on 19 May 2016 - 19:49

score 2.9k · Answer 3 · 2016-05-23 13:01:50

2.9k

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Pigeonhole problem - Can solve it but can't model how it works...

Published on 23 May 2016 - 13:01

score 639 · Answer 4 · 2016-05-26 06:24:01

639

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For irrational real number $r$, find $n \in \mathbb{Z}$ such that $|nr - [nr]| < 10^{-10}$.

Published on 26 May 2016 - 6:24

score 211 · Answer 5 · 2016-05-29 18:53:05

211

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numbers from $1$ to $2046$

Published on 29 May 2016 - 18:53

score 154 · Answer 6 · 2016-05-31 06:00:13

154

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Explain Pigeon holes principle in your own words.

Published on 31 May 2016 - 6:00

score 42 · Answer 7 · 2016-05-31 07:16:04

42

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What is the Genaralized Pigeonhole Principle? Explain in your own words

Published on 31 May 2016 - 7:16

score 162 · Answer 8 · 2016-05-31 09:05:26

What is the smallest number of a class to guarantee that two students have their birthdays on the same day of the week?

score 131 · Answer 9 · 2016-05-31 10:43:13

131

Views

Generalized pigeonhole principle Question

Published on 31 May 2016 - 10:43

score 135 · Answer 10 · 2016-06-02 15:05:30

135

Views

Pigeonhole Principle - round stadium

Published on 02 Jun 2016 - 15:05

score 149 · Answer 11 · 2016-06-02 23:25:48

149

Views

Proof of the lack of existence of a Hamiltonian Cycle

Published on 02 Jun 2016 - 23:25

score 510 · Answer 12 · 2016-06-04 15:29:25

510

Views

Pigeonhole Principle - permutations

Published on 04 Jun 2016 - 15:29

score 955 · Answer 13 · 2016-06-05 18:02:43

955

Views

Proving existence of a triangle of area $\leq \frac{1}{8}$

Published on 05 Jun 2016 - 18:02

score 221 · Answer 14 · 2016-06-06 09:21:16

221

Views

Prove existence of a triangle with least angle $\leq 30$ degrees

Published on 06 Jun 2016 - 9:21

score 145 · Answer 15 · 2016-06-20 19:12:13

145

Views

Size of family $\mathcal F = \{F_1, \ldots, F_m\}$ is at least $\lceil \log_2n\rceil$.

Published on 20 Jun 2016 - 19:12

List Question

Max size of $B \subset \{1, 2, \ldots, 3n+1\}$ for which no distinct $x, y, z \in B$ have sum in $B$

Pigeon Hole Priciple and Genaralized Pigeon Hole Principle Question

Pigeonhole problem - Can solve it but can't model how it works...

For irrational real number $r$, find $n \in \mathbb{Z}$ such that $|nr - [nr]| < 10^{-10}$.

numbers from $1$ to $2046$

Explain Pigeon holes principle in your own words.

What is the Genaralized Pigeonhole Principle? Explain in your own words

What is the smallest number of a class to guarantee that two students have their birthdays on the same day of the week?

Generalized pigeonhole principle Question

Pigeonhole Principle - round stadium

Proof of the lack of existence of a Hamiltonian Cycle

Pigeonhole Principle - permutations

Proving existence of a triangle of area $\leq \frac{1}{8}$

Prove existence of a triangle with least angle $\leq 30$ degrees

Size of family $\mathcal F = \{F_1, \ldots, F_m\}$ is at least $\lceil \log_2n\rceil$.

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