Fall 2020: On leave

PhD, University of Michigan

Geometric topology, geometric group theory.

My research interests grow out of hyperbolic geometry and low-dimensional topology, and center on mapping class groups and methods of geometric group theory.

The geometry of purely loxodromic subgroups of right-angled Artin groups. Download pdf, with Thomas Koberda and Samuel J. Taylor; (slides) Download pdf

An algorithm to detect full irreducibility by bounding the volume of periodic free factors. Download pdf, with Matt Clay and Alexandra Pettet; to appear in Michigan Mathematical Journal.

An effective algebraic detection of the Nielsen-Thurston classification of mapping classes. Download pdf, with Thomas Koberda; Journal of Topology and Analysis (2014).

Convex cocompactness in mapping class groups via quasiconvexity in right-angled Artin groups. Download pdf, with Samuel J. Taylor; submitted. (slides)Download pdf

A Recipe for Short-Word Pseudo-AnosovsDownload pdf, American Journal of Mathematics 135 (2013), no. 4. (slides) Download pdf

The Geometry of Right-Angled Artin Subgroups of Mapping Class Groups. Download pdf, with Matt Clay and Chris Leininger; Groups, Geometry, and Dynamics 6 (2012), no. 2.

Uniform Uniform Exponential Growth of the Mapping Class Group. Download pdf; Geometric and Functional Analysis19 (2010), no. 5. (slides)