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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture covers the concept of Ramsey theory, focusing on alterations and colorings in graphs. It explains how to modify the first monochromatic matching in a clearer way and discusses the 2-color edges of a complete graph. The instructor presents various claims and examples to demonstrate Ramsey's theorem and its applications, emphasizing the removal of vertices in bad events. Additionally, the lecture delves into methods like R(2) and R(k,k) to determine the existence of monochromatic subgraphs. The importance of independence in graph theory is highlighted through Lemmas, where the survival of edges is analyzed based on random probabilities. The lecture concludes by exploring the chromatic number of graphs and the significance of large cliques.