Open access
Oct 2025
Efficient Tensor Completion Algorithms for Highly Oscillatory Operators
A novel reformulation of the butterfly structure as a compact tensor network is proposed, leading to speedups of orders of magnitude and significant accuracy improvements for large matrices compared to state‐of‐the‐art low‐rank matrix and QTT tensor completion algorithms.
Navjot Singh, Edgar Solomonik, X. Li et al.
· Numerical Linear Algebra wit... · 0 citations