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The elegance of Ramsey's proof of R(3,3) was what turned me on to Combinatorics and Graph Theory.
by ajays 15y ago
The elegance of Ramsey's proof of R(3,3) was what turned me on to Combinatorics and Graph Theory.
- ggchappell 15y agoCool. But, a minor correction: Frank Ramsey merely proved (in 1930) a theorem equivalent to the statement that Ramsey numbers are well-defined. The study of the values of particular Ramsey numbers seems to have been started in 1955 by Robert Greenwood and Andrew Gleason, and I believe they are the first ones to note that R(3,3)=6. Disclaimer: Combinatorics is my field. History of mathematics is not. And corrections are welcome.