3 papers
math.NA2026
Efficient Tensor Completion Algorithms for Highly Oscillatory Operators
Navjot Singh, Edgar Solomonik, Xiaoye Sherry Li +1
This paper presents low-complexity tensor completion algorithms and their efficient implementation to reconstruct highly oscillatory operators discretized as matrices.…
hep-lat2025
Matrix-free Neural Preconditioner for the Dirac Operator in Lattice Gauge Theory
Yixuan Sun, Srinivas Eswar, Yin Lin +5
Linear systems arise in generating samples and in calculating observables in lattice quantum chromodynamics~(QCD). Solving the Hermitian positive definite systems, which are sparse…
cs.MS2025
Adaptive Sketching Based Construction of H2 Matrices on GPUs
Wajih Halim Boukaram, Yang Liu, Pieter Ghysels +1
We develop a novel linear-complexity bottom-up sketching-based algorithm for constructing a matrix, and present its high performance GPU implementation. The construction algo…