List questions from ramsey-theory

Published on 26 Sep 2021 - 20:16

164

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Ramsey-Turán density function is well defined.

Published on 27 Mar 2026 - 18:17

270

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Given any $10$ people in a room, prove that among them there are either $3$ that know each other or $4$ that do not know each other.

Published on 06 Oct 2021 - 19:19

125

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Monochromatic Solution for $abc=d$

Published on 23 Oct 2021 - 5:36

103

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Well-ordering $\mathbb R$ in ZF + "$2^{\aleph_0} \nrightarrow (\aleph_1, \aleph_1)^2$".

Published on 03 Nov 2021 - 21:03

32

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Restriction of the continuous function in Van der Waerden's theorem

Published on 09 Nov 2021 - 2:10

52

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A question about the proof of Theorem $23$ in Erdős and Rado's Ramsey theory paper.

Published on 10 Nov 2021 - 19:51

188

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Hales-Jewett Number $HJ(2,r)$

Published on 14 Nov 2021 - 4:01

114

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Probability of finding a monochromatic $r$-clique if the edges of $K_n$ are coloured with three colours

Published on 03 Dec 2021 - 13:13

191

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Application of (infinite) Ramsey Theorem

Published on 04 Dec 2021 - 20:03

209

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Proving Sierpinski’s result without choice.

Published on 04 Dec 2021 - 20:48

48

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A question regarding the upward implications between versions of the infinite Ramsey theorem over $\sf ZF$.

Published on 10 Dec 2021 - 19:14

79

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Schur number two, where am I going wrong with this?

Published on 15 Dec 2021 - 10:32

91

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Inequality about multicolor Ramsey Number

Published on 18 Dec 2021 - 9:51

54

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Lower Bound on Multicolor Ramsey Number

Published on 18 Dec 2021 - 12:12

List Question

Ramsey's theorem of complete bipartite graph

Ramsey-Turán density function is well defined.

Given any $10$ people in a room, prove that among them there are either $3$ that know each other or $4$ that do not know each other.

Monochromatic Solution for $abc=d$

Well-ordering $\mathbb R$ in ZF + "$2^{\aleph_0} \nrightarrow (\aleph_1, \aleph_1)^2$".

Restriction of the continuous function in Van der Waerden's theorem

A question about the proof of Theorem $23$ in Erdős and Rado's Ramsey theory paper.

Hales-Jewett Number $HJ(2,r)$

Probability of finding a monochromatic $r$-clique if the edges of $K_n$ are coloured with three colours

Application of (infinite) Ramsey Theorem

Proving Sierpinski’s result without choice.

A question regarding the upward implications between versions of the infinite Ramsey theorem over $\sf ZF$.

Schur number two, where am I going wrong with this?

Inequality about multicolor Ramsey Number

Lower Bound on Multicolor Ramsey Number

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