List questions from ramsey-theory

Published on 14 Apr 2026 - 9:14

93

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What does $N(q_1, q_2, ... , q_s ; r)$ mean in van Lint's stating of Ramsey's Theorem?

Published on 15 Apr 2026 - 2:00

91

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Directory for known bound of Ramsey numbers?

Published on 15 Apr 2026 - 8:53

386

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Proving an 'obvious' Ramsey upperbound

Published on 15 Apr 2026 - 2:51

61

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Upper bound on number of starting positions of a grid coloring game

Published on 25 Mar 2026 - 20:36

456

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Each of the vertices of a regular nonagon has been colored either red or blue. Prove that there exist two congruent monochromatic triangles.

Published on 16 Apr 2026 - 10:23

555

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How can we apply Ramsey's theorem to solve this problem on matrices?

Published on 12 Apr 2026 - 23:07

454

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Conjectured Value of Ramsey Number $R(3,10)$

Published on 08 Apr 2026 - 17:20

4.3k

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Why are there only a few known Ramsey numbers?

Published on 11 Apr 2026 - 16:14

62

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Probability that a subset of a degree-regular graph shares at least a certain number of mutual connections

Published on 15 Apr 2026 - 21:54

1.3k

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What is the explanation for the $64$ in Graham's number $g_{64}$?

Published on 10 May 2026 - 17:00

277

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Ramsey Numbers involving Cycles, $R(K_3, C_5)$

Published on 17 Apr 2026 - 7:49

802

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Algebra in Erdős's proof of lower bound for Ramsey number

Published on 15 Apr 2026 - 4:09

4.7k

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Chromatic Triangles on a $K_{17}$ graph

Published on 16 Apr 2026 - 10:57

670

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Is Graham's number actually valid?

Published on 10 Apr 2026 - 21:40

List Question

T/F prove for modified Ramsey's theorem

What does $N(q_1, q_2, ... , q_s ; r)$ mean in van Lint's stating of Ramsey's Theorem?

Directory for known bound of Ramsey numbers?

Proving an 'obvious' Ramsey upperbound

Upper bound on number of starting positions of a grid coloring game

Each of the vertices of a regular nonagon has been colored either red or blue. Prove that there exist two congruent monochromatic triangles.

How can we apply Ramsey's theorem to solve this problem on matrices?

Conjectured Value of Ramsey Number $R(3,10)$

Why are there only a few known Ramsey numbers?

Probability that a subset of a degree-regular graph shares at least a certain number of mutual connections

What is the explanation for the $64$ in Graham's number $g_{64}$?

Ramsey Numbers involving Cycles, $R(K_3, C_5)$

Algebra in Erdős's proof of lower bound for Ramsey number

Chromatic Triangles on a $K_{17}$ graph

Is Graham's number actually valid?

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