2 papers
math.NA2026
ELM-FBPINNs: An Efficient Multilevel Random Feature Method
Samuel Anderson, Victorita Dolean, Ben Moseley +1
Domain-decomposed variants of physics-informed neural networks (PINNs) such as finite basis PINNs (FBPINNs) mitigate some of PINNs' issues like slow convergence and spectral bias t…
math.NA2025
An Iterative Block Matrix Inversion (IBMI) Algorithm for Symmetric Positive Definite Matrices with Applications to Covariance Matrices
Ann Paterson, Jennifer Pestana, Victorita Dolean
Obtaining the inverse of a large symmetric positive definite matrix is a continual challenge across many mathematical disciplines. The comput…