Sinan Ariturk Rice University Department of Mathematics Ph. D., Johns Hopkins University, 2012 Area: Analysis, geometry. Papers: Lower bounds for nodal sets of Dirichlet and Neumann eigenfunctions. Comm. Math. Phys. 317 (2013), 817-825. Concentration of eigenfunctions near a concave boundary. Comm. Partial Differential Equations 36 (2011), 1881-1918. Teaching: Spring 2013: Introduction to Analysis II Spring 2013: VIGRE Seminar: Geometry of Harmonic Tones in Drums Fall 2012: Multivariable Calculus Fall 2012: VIGRE Seminar: Geometry of Harmonic Tones in Drums