List questions from ramsey-theory

Published on 10 Mar 2013 - 3:59

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Permutation of 1…9 with no ascending or descending subsequence of length 4

Published on 10 Mar 2013 - 14:53

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Arbitrary ratio sequences on a partition of $\mathbb{R}$ (Partition regularity of fixed ratio sequences)

Published on 13 Mar 2013 - 1:57

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The Ramsey number $r(t,t,q)$ with $q\geq t$

Published on 16 Mar 2013 - 20:40

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Ramsey's theory inequality with $t$-subsets

Published on 17 Mar 2013 - 0:10

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Two subsets and their union have same color

Published on 17 Mar 2013 - 14:17

311

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Finite vs infinite Ramsey theorem - what's the difference?

Published on 03 Aug 2020 - 18:03

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Smallest number of people that can be invited at a party such that either $3$ of them met each other last year or $3$ of them did not?

Published on 08 Aug 2020 - 20:00

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A constructive lower bound on Ramsey numbers

Published on 19 Aug 2020 - 21:12

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Asymptotic behaviors in random graphs.

Published on 26 Mar 2026 - 19:37

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Prove that $R(Q_d) \leq 2^{3d}$, where $R(Q_d)$ is the Ramsey number of the $d$-dimensional hypercube $Q_d$.

Published on 26 Mar 2026 - 23:10

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Asymptotic behavior of $R(4,k)$.

Published on 29 Aug 2020 - 13:32

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Question about Ramsey numbers

Published on 03 Sep 2020 - 21:49

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Sum Numbers Coloring Graphs

Published on 19 Sep 2020 - 0:32

287

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Lower-bound for three-color Ramsey Numbers

Published on 26 Mar 2026 - 19:37

List Question

What is a Ramsey Graph?

Permutation of 1…9 with no ascending or descending subsequence of length 4

Arbitrary ratio sequences on a partition of $\mathbb{R}$ (Partition regularity of fixed ratio sequences)

The Ramsey number $r(t,t,q)$ with $q\geq t$

Ramsey's theory inequality with $t$-subsets

Two subsets and their union have same color

Finite vs infinite Ramsey theorem - what's the difference?

Smallest number of people that can be invited at a party such that either $3$ of them met each other last year or $3$ of them did not?

A constructive lower bound on Ramsey numbers

Asymptotic behaviors in random graphs.

Prove that $R(Q_d) \leq 2^{3d}$, where $R(Q_d)$ is the Ramsey number of the $d$-dimensional hypercube $Q_d$.

Asymptotic behavior of $R(4,k)$.

Question about Ramsey numbers

Sum Numbers Coloring Graphs

Lower-bound for three-color Ramsey Numbers

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