3 papers
eess.SP2026
gmsEDA: Decomposition of Electrodermal Activity Signals Using Matrix Separation
Xuemei Chen, David MacQueen, Wendy Donlin Washington +4
Electrodermal activity (EDA) signals, which reflect sympathetic nervous system arousal through changes in skin conductance, are widely used in psychological and behavioral research…
math.OC2025
The Generalized Matrix Separation Problem: Algorithms
Xuemei Chen, Owen Deen
When given a generalized matrix separation problem, which aims to recover a low rank matrix and a sparse matrix from , the work \cite{CW25} proposes a nov…
math.NA2024
Fast and accurate log-determinant approximations
Owen Deen, Colton River Waller, John Paul Ward
We consider the problem of estimating log-determinants of large, sparse, positive definite matrices. A key focus of our algorithm is to reduce computational cost, and it is based o…