Ramsey Theory
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- The Happy Ending problem: forcing convex polygons (Szekeres)
- Forcing empty convex polygons
- Does the Ramsey limit exist? What is the limit? ($100 / $250)
- Constructive Ramsey ($100)
- Lower bound for \( r(4, n) \) ($250)
- Lower bound for \(r(k, n)\)
- Consecutive Ramsey numbers (Burr)
- Bounds for growth of \(r(3, n)\) (Sós) (two problems combined)
- Linear Ramsey numbers (Burr) ($25)
- Cliques are Ramsey-extremal (Graham)
- \(r(G)\) is subexponential in sqrt(edges)
- \(r(G)\) is bounded by \(r(\chi(G))\) (1)
- \(r(G)\) is bounded by \(r(\chi(G))\) (2)
- Upper bound for Ramsey on trees (Burr)
- Exact Ramsey value for some trees
- Upper bound on r(tree, complete multi-partite)
- Upper bound for Ramsey number for \(4\)-cycle
- Exact values for Ramsey numbers for \(k\)-cycle (Faudree, Rousseau, Schelp)
- Exact value for Ramsey number of \(k\)-cycle and star (Burr, Faudree, Rousseau, Schelp)
- Upper bound for Ramsey number for the hypercube (Burr)
- Multi-color Ramsey number for triangles ($250/$100)
- \(r(3, 3, n)\) is much larger than \(r(3, n)\)
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Multi-color Ramsey number for triangles grows faster than for other odd cycles (Graham)
- Multi-color Ramsey number for even cycles (Graham)
- \(3\)-color Ramsey number for \(n\)-cycles (Bondy)
- Multi-color Ramsey number for trees (Graham)
- Multi-color Ramsey number for complete bipartite graphs (Chung, Graham)
- Size Ramsey number for graphs of bounded degree (Beck)
- Size Ramsey number for complete balanced bipartite graphs (Faudree, Rousseau, Schelp)
- Size Ramsey number for unions of stars (Burr, Faudree, Rousseau, Schelp)
- A linear bound on some size Ramsey numbers (Faudree, Rousseau, Schelp)
- A linear bound on some size Ramsey numbers for particular graphs (Faudree, Rousseau, Schelp)
- A linear bound on some size Ramsey numbers for trees (Faudree, Rousseau, Schelp)
- A linear bound on some size Ramsey numbers for odd cycles (Faudree, Rousseau, Schelp)
- A linear bound on some size Ramsey numbers for cycles (Faudree, Rousseau, Schelp)
- Upper bound on induced Ramsey numbers (Rödl)
- Double exponential lower bound for \(3\)-uniform hypergraph Ramsey numbers (Hajnal, Rado) ($500)
- Asymptotic behavior of \(t\)-uniform hypergraph Ramsey numbers (Hajnal, Rado)
- Asymptotic behavior of generalized Ramsey numbers
- Behavior of generalized hypergraph Ramsey numbers ($500)