3 papers
physics.bio-ph2025
Self-reorganization and Information Transfer in Massive Schools of Fish
Haotian Hang, Chenchen Huang, Alex Barnett +1
The remarkable cohesion and coordination observed in moving animal groups and their collective responsiveness to threats are thought to be mediated by scale-free correlations, wher…
math.NA2025
A fully adaptive, high-order, fast Poisson solver for complex two-dimensional geometries
Daniel Fortunato, David B. Stein, Alex H. Barnett
We present a new framework for the fast solution of inhomogeneous elliptic boundary value problems in domains with smooth boundaries. High-order solvers based on adaptive box codes…
astro-ph.IM2024
nifty-ls: Fast and Accurate Lomb-Scargle Periodograms Using a Non-Uniform FFT
Lehman H. Garrison, Dan Foreman-Mackey, Yu-hsuan Shih +1
We present nifty-ls, a software package for fast and accurate evaluation of the Lomb-Scargle periodogram. nifty-ls leverages the fact that Lomb-Scargle can be computed using a non-…