2 papers
math.GR2023
A Bound for Higher Degree Automorphisms of
Robert Rust
The Whitehead Model of free groups can be used to measure the complexity, or degree, of automorphisms of free groups. The bound for the degree of the for deg deg…
math.CO2023
Big Ramsey Degrees of Countable Ordinals
Joanna Boyland, William Gasarch, Nathan Hurtig +1
Ramsey's theorem states that for all finite colorings of an infinite set, there exists an infinite homogeneous subset. What if we seek a homogeneous subset that is also order-equiv…