Theorems in discrete mathematics | Ramsey theory

Rado's theorem (Ramsey theory)

Rado's theorem is a theorem from the branch of mathematics known as Ramsey theory. It is named for the German mathematician Richard Rado. It was proved in his thesis, Studien zur Kombinatorik. (Wikipedia).

Video thumbnail

Proof of Ramsey's theorem

Ramsey theory is based on Ramsey's theorem, because without it, there would be no Ramsey numbers, since they are not well-defined. This is part 2 of the trilogy of the Ramsey numbers. Useful link: https://en.wikipedia.org/wiki/Ramsey%27s_theorem#2-colour_case Other than commenting on the

From playlist Ramsey trilogy

Video thumbnail

Advances on Ramsey numbers - Jacob Fox

https://www.math.ias.edu/seminars/abstract?event=83564

From playlist Computer Science/Discrete Mathematics

Video thumbnail

Natasha Dobrinen: Borel sets of Rado graphs are Ramsey

The Galvin-Prikry theorem states that Borel partitions of the Baire space are Ramsey. Thus, given any Borel subset $\chi$ of the Baire space and an infinite set $N$, there is an infinite subset $M$ of $N$ such that $\left [M \right ]^{\omega }$ is either contained in $\chi$ or disjoint fr

From playlist Combinatorics

Video thumbnail

The Theorems of Schur and Rado by Shalom Eliahou

Program Workshop on Additive Combinatorics ORGANIZERS: S. D. Adhikari and D. S. Ramana DATE: 24 February 2020 to 06 March 2020 VENUE: Madhava Lecture Hall, ICTS Bangalore Additive combinatorics is an active branch of mathematics that interfaces with combinatorics, number theory, ergod

From playlist Workshop on Additive Combinatorics 2020

Video thumbnail

Lie Algebra Representations Arising from Ramsey Theory

Speakers; Alejandro Buendia(Ramsey's Theorem, Computation of Lie Algebras, Irreducible Decomposition of Wr, Diagonal Ramsey numbers). Junho Won(Lie Algebras Background, Representation, Subgraph-Recoloring Operators, The Cases r = p, r = p+ 1, Simple subalgebras). Jia Wan( Representation

From playlist 2017 Summer REU Presentations

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics - part 5

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Video thumbnail

This random graph fact will blow your mind | Rado graph and its godlike properties

You can turn subtitles on if you wish to! :) Timestamps: 00:00 - Section 0: A random surprise 02:21 - Section 1: An "innocent" graph 05:27 - Section 2: Something fishy 08:57 - Section 3: Everything comes together 14:58 - Reflection and goodbye MUSIC used OMORI title theme: https://www.yo

From playlist Summer of Math Exposition Youtube Videos

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics- part 4

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics - part 3

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Video thumbnail

On the degree of regularity of some specific equations by Shalom Eliahou

Program Workshop on Additive Combinatorics ORGANIZERS: S. D. Adhikari and D. S. Ramana DATE: 24 February 2020 to 06 March 2020 VENUE: Madhava Lecture Hall, ICTS Bangalore Additive combinatorics is an active branch of mathematics that interfaces with combinatorics, number theory, ergod

From playlist Workshop on Additive Combinatorics 2020

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics - part 2

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics - part 6

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics - part 8

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics - part 1

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Video thumbnail

Vitaly Bergelson: Mutually enriching connections between ergodic theory and combinatorics - part 7

Abstract : * The early results of Ramsey theory : Hilbert's irreducibility theorem, Dickson-Schur work on Fermat's equation over finite fields, van der Waerden's theorem, Ramsey's theoremand its rediscovery by Erdos and Szekeres. * Three main principles of Ramsey theory : First principl

From playlist Jean-Morlet Chair - Lemanczyk/Ferenczi

Related pages

Mathematics | Ramsey theory | Folkman's theorem | Reduction (complexity) | Schur's theorem | Van der Waerden's theorem | Subset sum problem | Richard Rado