Ramsey Properties of Permutations
Abstract
The age of each countable homogeneous permutation forms a Ramsey class.
Thus, there are five countably infinite Ramsey classes of permutations.
Keywords
Ramsey class; permutation; homogeneous structure
The age of each countable homogeneous permutation forms a Ramsey class.
Thus, there are five countably infinite Ramsey classes of permutations.