## Preprints and unpublished notes

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

2. (with C. Bleak, M. Brin, M. Kassabov, M. Zaremsky) Groups of fast homeomorphisms of the interval and the ping-pong argument accepted in Journal of Combinatorial Algebra in 2018

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

4. A brief introduction to amenable equivalence relations submitted.

Unpublished notes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

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 Splitting Todorcevic's set mapping from $$\mathfrak{b}=\omega_1$$ unpublished note, 2004.

3. Random reals and partition calculus unpublished note, 2000.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: DMS-0401893, DMS-0200671, DMS-0757507, DMS-1262019, DMS-1600635.

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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