My main mathematical interests are in applications of harmonic analysis to partial differential equations and mathematical physics. I am particularly interested in oscillatory and singular integrals and integral operators that arise in the analysis of dispersive PDEs such as the Schrödinger equation.


  1. (with M.B. Erdogan) "Dispersive estimates for the Schrödinger equation for C$^{\frac{n-3}{2}}$ potentials in odd dimensions," International Mathematics Research Notices 2010:13, 2532--2565. [preprint], [Journal Version]
  2. "Dispersive estimates for the matrix and scalar Schrödinger equation in dimension five," Illinois J. Math. Volume 56, Number 2 (2012), 307-341. [preprint], [Journal Version].
  3. "Abel's theorem simplifies reduction of order." College Mathematics Journal, Vol. 42, No. 5, November 2011 , pp. 399-402(4). [preprint], [Journal Version].
  4. "Using Abel's theorem to explain repeated roots of the characteristic equation." CODEE Journal, July 2011. URL
  5. (with M.B. Erdogan) "Dispersive estimates for two-dimensional Schrödinger operators with obstructions at zero energy." Trans. Amer. Math. Soc. 365 (2013), 6403-6440. [preprint], [Journal Version].
  6. (with H.I. Dwyer) "Integrating factors and repeated roots of the characteristic equation." CODEE Journal, January 2012. URL
  7. (with M.B. Erdogan) "A weighted dispersive estimate for Schrödinger operators in dimension two." Comm. Math. Phys. 319 (2013), 791--811. [preprint]. [Journal Version].
  8. (with M.B. Erdogan) "Dispersive estimates for matrix Schrödinger operators in dimension two." DCDS-A. Pages: 4473 - 4495, Volume 33, Issue 10, October 2013. [preprint]. [Journal Version].
  9. (with Dirk Hundertmark) "Exponential decay for dispersion managed solitons for general dispersion profiles," [preprint]. Submitted 2014, 24 pp.
  10. "Time decay estimates for the wave equation with potential in dimension two," [preprint], Journal of Differential Equations 257 (2014) pp. 868-919. [Journal Version]
  11. (with M.B. Erdogan and M.J. Goldberg) "Dispersive estimates for four dimensional Schrödinger and wave equations with obstructions at zero energy." [preprint], Comm. PDE 39 (2014), no. 10, 1936-1964. [Journal Version]

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