17 citations · 29 across the 14 of their papers we have counts for
Showing math.NAShow all
2 papers · 1 filter
math.NA2024
Detecting eigenvectors of an operator that are near a specified subspace
David Darrow, Jeffrey S. Ovall
In modeling quantum systems or wave phenomena, one is often interested in identifying eigenstates that approximately carry a specified property; scattering states approximately ali…
math.NA2022
A Quasi-Optimal Spectral Solver for the Heat and Poisson Equations in a Closed Cylinder
David Darrow
We develop a spectral method to solve the heat equation in a closed cylinder, achieving a quasi-optimal complexity and high-order, spectral accuracy. The alg…