Jan. 2005 AMS talk, Atlanta. Gelfand’s inverse boundary problem — determining a region by how its boundary vibrates.

Various talks, circa 2007. The Gauss-Green formula and elliptic boundary problems on rough domains.

Mar. 2008 AMS talk, Notre Dame. Vanishing viscosity limit for Navier-Stokes flows — no-slip boundary condition.

Jan. 2012 AMS talk, Boston. Gibbs phenomena and Pinsky phenomena for nonlinear Schrodinger equations.Here are some figures that accompany the text.

Figures 2.1 and 2.2

Figure 4.1

Figure 4.2

Zero sets of random sections of vector bundles

Jan. 2017 AMS talk, Atlanta. Toeplitz operators on uniformly rectifiable domains.

Jan. 2018 AMS talk, San Diego. Variations on quantum ergodic theorems.

Apr. 2018 AMS talk, Boston. Multidimensional Toeplitz operators with discontinuous symbols.

Apr. 2022 Midwest PDE Seminar talk. Euler equation on a rotating surface.

Mar. 2023 UNC Analysis and PDE Seminar talk. How smooth is a C^2 surface? To find out, click on the next link.

How smooth is a C^2 surface?