3 papers
math.NA2026
Fast and Accurate CP-HIFI Tensor Decompositions: Exploiting Kronecker Structure
Johannes J. Brust, Tamara G. Kolda
Tensor decompositions are a fundamental tool in scientific computing and data analysis. In many applications -- such as simulation data on irregular grids, surrogate modeling for p…
math.NA2025
Fast and Accurate SVD-Type Updating in Streaming Data
Johannes J. Brust, Michael A. Saunders
For a datastream, the change over a short interval is often of low rank. For high throughput information arranged in matrix format, recomputing an optimal SVD approximation after e…
math.OC2025
Useful Compact Representations for Data-Fitting
Johannes J. Brust
For minimization problems without 2nd derivative information, methods that estimate Hessian matrices can be very effective. However, conventional techniques generate dense matrices…