3 papers
physics.comp-ph2025
Nyström Type Exponential Integrators for Strongly Magnetized Charged Particle Dynamics
Tri P. Nguyen, Ilon Joseph, Mayya Tokman
Solving for charged particle motion in electromagnetic fields (i.e. the particle pushing problem) is a computationally intensive component of particle-in-cell (PIC) methods for pla…
physics.comp-ph2025
Exploring exponential time integration for strongly magnetized charged particle motion
Tri P. Nguyen, Ilon Joseph, Mayya Tokman
A fundamental task in particle-in-cell (PIC) simulations of plasma physics is solving for charged particle motion in electromagnetic fields. This problem is especially challenging…
math.NA2024
Low-synchronization Arnoldi Methods for the Matrix Exponential with Application to Exponential Integrators
Tanya Tafolla, Stéphane Gaudreault, Mayya Tokman
High order exponential integrators require computing linear combination of exponential like -functions of large matrices times a vector . Krylov projection methods are t…