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Curated by: Mathemaniac (96 videos)


Currently Playing: Why does R(4,4)=18?

We only showed 18-vertex graphs work, but what about 17-vertex graphs? How do we construct explictly a counter-example that does not have 4 vertices all connected in red or 4 vertices all connected in green? This is the last installment of the trilogy of Ramsey numbers. Useful link: https://plus.maths.org/content/proving-r4417 Other than commenting on the video, you are very welcome to fill in a Google form linked below, which helps me make better videos by catering for your math levels: https://forms.gle/QJ29hocF9uQAyZyH6 If you want to know more interesting Mathematics, stay tuned for the next video! SUBSCRIBE and see you in the next video! #mathemaniac #math #ramsey #mathematics #ramseynumbers #ramseytheory #graph #graphtheory


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