Research Interests
Geometric analysis, differential geometry, partial differential equations, geometric flows, and geometric measure theory.
Published Articles
 Null mean curvature flow and outermost MOTS. J. Differential Geom. 111 (2019), no. 2, 191239. With Kristen Moore.
 TypeII singularities of twoconvex immersed mean curvature flow. Geometric Flows (2), 1–17, 2016. With Mat Langford
 An Allard type regularity theorem for varifolds with a Hölder condition on the first variation. Calculus of Variations and Partial Differential Equations, 55: 46, 2016. With Alex Volkmann.
 Allardtype boundary regularity for C^{1,α} boundaries. Advances in Calculus of Variations, 9 (2), 143–161, 2016.
 Area minimizing surfaces in mean convex 3manifolds. Journal für die Reine und Angewandte Mathematik, 704, 135–167, 2015. With Baris Coskunuzer.
 C^{1,α}regularity for surfaces with H in L^{p}. Annals of Global Analysis and Geometry, 46 (2), 159–186, 2014. With Giuseppe Tinaglia
 Density estimates for compact surfaces with total boundary curvature less than 4π. Communications in Partial Differential Equations, 37 (10–12), 1870–1886, 2012. With Giuseppe Tinaglia.
 Curvature estimates for surfaces with bounded mean curvature. Transactions of the American Mathematical Society, 364 (11), 5813–5828, 2012. With Giuseppe Tinaglia.
 C^{1,α} theory for the prescribed mean curvature equation with Dirichlet data. Journal of Geometric Analysis, 21 (4), 982–1035, 2011.
 Convex ancient solutions to mean curvature flow. Differential Geometry in the Large (London Mathematical Society Lecture Note Series)}. Cambridge University Press. With Mat Langford and Giuseppe Tinaglia.

Explicit fundamental gap estimates for some convex domains in $\mathbb H^2$'. Mathematical Research Letters (to appear). With Julie Clutterbuck, Xuan Hien Nguyen, Alina Stancu, Guofang Wei and ValentinaMira Wheeler.
 Differential Harnack inequalities via concavity of the arrival time’. Communications in Analysis and Geometry (to appear). With Mat Langford.
 Convex ancient solutions to curve shortening flow. Calculus of Variations and Partial Differential Equations, no. 4, Paper No. 133, 15pp, 202.
 Collapsing ancient solutions of mean curvature flow. Journal of Differential Geometry (to appear). With Mat Langford and Giuseppe Tinaglia.
 On the construction of closed nonconvex nonsoliton ancient mean curvature flows. International Mathematical Research Notices, Volume 2021, Issue 1, January 2021, Pages 754–765. With Mat Langford and Alexander Mramor.
 On the existence of translating solutions of mean curvature flow in slab regions. Analysis and PDE, 134, 10511072, 2020. With Mat Langford and Giuseppe Tinaglia.
Preprints
Books
 Mean Curvature Flow: Proceedings of the John H. Barrett Memorial Lectures held at the University of Tennessee, Knoxville, May 29June 1, 2018, editor with Mat Langford, De Gruyter, Berlin (2020), 232pp.

Minimal Surfaces and the Bernstein Theorem. Book chapter coauthored with Giuseppe Tinaglia. Geometry in Advanced Pure Mathematics, 167191, LTCC Adv. Math. Ser., 4, World Sci. Publ., Hackensack, NJ, 2017.