A distributed-memory hierarchical solver for general sparse linear systems. - Chao Chen 008; Hadi Pouransari; Sivasankaran Rajamanickam; Erik G. Boman; Eric Darve (Parallel Comput., 2018)

PBBFMM3D: a Parallel Black-Box Fast Multipole Method for Non-oscillatory Kernels. - Ruoxi Wang; Chao Chen 008; Jonghyun Lee 005; Eric Darve (CoRR, 2019)

Fast Evaluation and Approximation of the Gauss-Newton Hessian Matrix for the Multilayer Perceptron. - Chao Chen 008; Severin Reiz; Chenhan D. Yu; Hans-Joachim Bungartz; George Biros (CoRR, 2019)

A robust hierarchical solver for ill-conditioned systems with applications to ice sheet modeling. - Chao Chen 008; Léopold Cambier; Erik G. Boman; Sivasankaran Rajamanickam; Raymond S. Tuminaro; Eric Darve (J. Comput. Phys., 2019)

Parallelization of the inverse fast multipole method with an application to boundary element method. - Toru Takahashi 002; Chao Chen 008; Eric Darve (Comput. Phys. Commun., 2020)

An Algebraic Sparsified Nested Dissection Algorithm Using Low-Rank Approximations. - Léopold Cambier; Chao Chen 008; Erik G. Boman; Sivasankaran Rajamanickam; Raymond S. Tuminaro; Eric Darve (SIAM J. Matrix Anal. Appl., 2020)

PBBFMM3D: A parallel black-box algorithm for kernel matrix-vector multiplication. - Ruoxi Wang; Chao Chen 008; Jonghyun Lee 005; Eric Darve (J. Parallel Distributed Comput., 2021)

Fast Approximation of the Gauss-Newton Hessian Matrix for the Multilayer Perceptron. - Chao Chen 008; Severin Reiz; Chenhan D. Yu; Hans-Joachim Bungartz; George Biros (SIAM J. Matrix Anal. Appl., 2021)

RCHOL: Randomized Cholesky Factorization for Solving SDD Linear Systems. - Chao Chen 008; Tianyu Liang; George Biros (SIAM J. Sci. Comput., 2021)

Solving Linear Systems on a GPU with Hierarchically Off-Diagonal Low-Rank Approximations. - Chao Chen 008; Per-Gunnar Martinsson (SC, 2022)

Overlapping Domain Decomposition Preconditioner for Integral Equations. - Chao Chen 008; George Biros (SIAM J. Sci. Comput., 2022)

Robust Blockwise Random Pivoting: Fast and Accurate Adaptive Interpolative Decomposition. - Yijun Dong; Chao Chen 008; Per-Gunnar Martinsson; Katherine J. Pearce (CoRR, 2023)

A distributed-memory parallel algorithm for discretized integral equations using Julia. - Tianyu Liang; Chao Chen 008; Per-Gunnar Martinsson; George Biros (CoRR, 2023)

SkelFMM: A Simplified Fast Multipole Method Based on Recursive Skeletonization. - Anna Yesypenko; Chao Chen 008; Per-Gunnar Martinsson (CoRR, 2023)

Efficient algorithms for computing rank-revealing factorizations on a GPU. - Nathan Heavner; Chao Chen 008; Abinand Gopal; Per-Gunnar Martinsson (Numer. Linear Algebra Appl., 2023)

An O(N) distributed-memory parallel direct solver for planar integral equations. - Tianyu Liang; Chao Chen 008; Per-Gunnar Martinsson; George Biros (IPDPS, 2024)

A simplified fast multipole method based on strong recursive skeletonization. - Anna Yesypenko; Chao Chen 008; Per-Gunnar Martinsson (J. Comput. Phys., 2025)

Adaptive Parallelizable Algorithms for Interpolative Decompositions via Partially Pivoted LU. - Katherine J. Pearce; Chao Chen 008; Yijun Dong; Per-Gunnar Martinsson (Numer. Linear Algebra Appl., 2025)