Preprints and unpublished notes

(with C. Bleak, M. Brin)
Complexity among the finitely generated subgroups of Thompson's group
submitted 2017

(with C. Bleak, M. Brin, M. Kassabov, M. Zaremsky)
Groups of fast homeomorphisms of the interval and the pingpong argument
submitted 2017

(with Hossein Lamei Ramandi)
There may be no minimal non \(\sigma\)scattered linear orders
accepted in Math Research Letters in 2017.

A brief introduction to amenable equivalence relations
submitted.
Unpublished notes

A tutorial on the Proper Forcing Axiom
2010 Young Set Theory Meeting, Raach, Austria (notes by Giorgio Venturi).

Splitting Todorcevic's set mapping from \(\mathfrak{b}=\omega_1\)
unpublished note, 2004.

Random reals and partition calculus
unpublished note, 2000.
This material is based upon work supported by the
National Science Foundation under one of the following NSF grants: DMS0401893,
DMS0200671, DMS0757507, DMS1262019, DMS1600635.
Any opinions, findings, and conclusions or
recommendations expressed in this material are those of the author(s)
and do not necessarily reflect the views of the National Science Foundation.
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