3 papers
cs.LG2021
The Fast Kernel Transform
John Paul Ryan, Sebastian Ament, Carla P. Gomes +1
Kernel methods are a highly effective and widely used collection of modern machine learning algorithms. A fundamental limitation of virtually all such methods are computations invo…
math.NA2020
Parallel Skeletonization for Integral Equations in Evolving Multiply-Connected Domains
John Paul Ryan, Anil Damle
This paper presents a general method for applying hierarchical matrix skeletonization factorizations to the numerical solution of boundary integral equations with possibly rank-def…
cond-mat.soft2018
Geometric frustration induces the transition between rotation and counterrotation in swirled granular media
Lisa Lee, John Paul Ryan, Yoav Lahini +2
Granular material in a swirled container exhibits a curious transition as the number of particles is increased: at low densities the particle cluster rotates in the same direction…