Talks
A selection of recent and invited presentations. The full record is in my CV.
Featured slides
Slides from three talks, one for each of the group’s main research directions.
- WaveHoltz: A time domain method for time independent harmonic problems — solving time-harmonic wave problems with a time-domain wave solver.
- Structure-Preserving Algorithms for Quantum Digital Twins: A Numerical Analyst’s Journey — structure preserving methods for the Lindblad equation and quantum optimal control.
- Low-rank Anderson Acceleration — low-rank methods for matrix and tensor differential equations.
Plenary presentations
- How dark is the unilluminable room? University of Toronto Institute for Aerospace Studies, Computational Science and Engineering Symposium, Toronto, May 2023.
- What’s new with the wave equation? North American High Order Methods Conference (NAHOMCon), San Diego, June 2019.
Selected presentations at professional meetings
- What’s new with the WaveHoltz iteration? FoCM 2026, workshop on Foundations of Numerical PDEs, Vienna, July 2026.
- Low-rank Anderson acceleration for nonlinear matrix and tensor equations. SciCADE 2026, Edinburgh, June 2026.
- Accelerating WaveHoltz with deflation. Waves 2026, Montreal, June 2026.
- A numerical methodist’s adventure in the land of quantum computing. SLMath workshop on Kinetic Theory, Berkeley, October 2025.
- Kraus is King: high-order CPTP low rank method for the Lindblad master equation. SIAM Annual Meeting, Montreal, August 2025.
- lrAA low rank Anderson acceleration. Workshop in honor of Gunilla Kreiss, Uppsala University, June 2025.
- Quantum digital twins. NSF Computational Mathematics Meeting, Salt Lake City, May 2025.
- Low rank methods for linear and nonlinear PDE. SIAM CSE 2025, Fort Worth, March 2025.
- Kraus is King. IEEE Quantum Week 2024, Montreal, September 2024.
- How dark is the unilluminable room? Waves 2024, Berlin, June 2024.
- Quantum digital twins: a numerical methodist’s adventure in the land of quantum computers. ICERM Workshop on Numerical Analysis of Multiphysics Problems, Providence, February 2024.
- How dark is the unilluminable room? SIAM CSE 2023, Amsterdam, March 2023.
- EM-WaveHoltz: a time-domain frequency-domain solver for Maxwell’s equations. Waves 2022, Palaiseau, July 2022.
- WaveHoltz-DG: a wave equation based solver for the Helmholtz equation. SIAM CSE, March 2021.
- WaveHoltz: parallel and scalable solution of the Helmholtz equation via wave equation iteration. SCICADE, Innsbruck, July 2019.
- Parallel frequency domain electromagnetic solvers without agonizing pain. ICIAM 2019, Valencia, July 2019.
Colloquia and Seminars
- Structure-preserving algorithms for quantum digital twins: a numerical analyst’s journey. University of Tennessee, Knoxville, April 2026.
- Structure-preserving algorithms for quantum digital twins. Simon Fraser University, February 2026.
- Arbitrary high order low-rank CPTP schemes for Lindblad equations with time-dependent Hamiltonian. University of Strathclyde, January 2026.
- Kraus is King. UC Merced and PIMS CRG seminar, November 2025.
- Kraus is King. Livermore Center for Quantum Science Seminar, LLNL, November 2025.
- Sub-linear methods for discretizing partial differential equations using data science techniques. Portland State University, October 2025.
- Low rank Anderson acceleration. NC State University, April 2025.
- Low rank Anderson acceleration. Duke University, April 2025.
- Low rank Anderson acceleration. Southern Methodist University, March 2025.
- Quantum digital twins. Uppsala University, June 2024.
- Numerical methods for modeling quantum computers. ARQC Seminar, Johns Hopkins APL, May 2024.
- WaveHoltz. Brown University, February 2024.
- How dark is the unilluminable room? Caltech Mechanical Engineering Seminar, October 2023.