487 CIS Building
Dept of Computer Science
Cornell University
Ithaca, NY 14853-5169
(or Zoom)

OH: W 9-10, Fri 10:30-12, or by appointment
Bookings page
[email protected]
Office phone: 607-255-5395

Research highlights

Optimizing stellarators

Advancing magnetic confinement fusion through optimization and hidden symmetries.

Verified numerics

Formally correctness proofs for floating point codes.

Kernel methods

Theory and scalable algorithms for kernel-based function approximation.

Parallel surrogate optimization

Asynchronous parallel algorithms for finding minima fast by fitting functions to surrogate models.

Spectral network analysis

Fast spectral tools for graph structure.

More projects »

Currently teaching

Numerical Analysis: Linear and Nonlinear Problems (CS 4220/5223 / MATH 4260)

MW 10:10-11:25 in Gates 114 (or Zoom).

Fundamentals of numerical linear algebra (linear systems, eigenvalues and SVDs), on which we’ll build iterative methods for nonlinear systems and multivariate optimization. Understanding advantages, disadvantages, and practical limits of numerical methods. Programming required.

Projects (CS [45]999)

    See my list of projects!

    If nothing on the list appeals but you think you’d like to work with me on something, come knock on my door. I don’t bite.


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    Upcoming travels

    2026-02-15: Dagstuhl on Reduced and Mixed Precision Computing

    2026-03-19: Hidden Symmetries Annual Meeting