The Erdős–Hajnal conjecture for rainbow triangles

On a Problem of Formal Logic

Frank Plumpton Ramsey · Proceedings of the London Mathematical Society · 1930 · 1.9K citations

Humanities, Computer Science, Formal Methods +11

Some remarks on the theory of graphs

P. Erdös · Bulletin of the American Mathematical Society · 1947 · 664 citations · Full text

Natural Sciences, Mathematics, Combinatorics +6

On a combinatorial problem in geometry

H. L. Abbott, D. Hanson · Discrete Mathematics · 1975 · 462 citations

Natural Sciences, Mathematics, Combinatorics +8

On a property of the class of n-colorable graphs

D Seinsche · Journal of Combinatorial Theory Series B · 1974 · 306 citations

Natural Sciences, Mathematics, Combinatorics +9

Ramsey-type theorems

Paul Erdős, A. Hajnal · Discrete Applied Mathematics · 1989 · 257 citations