Publications
Preprints
William Ruys, Ali Ghafouri, Chao Chen, and George Biros, Scalable KNN graph construction on heterogeneous architectures.
Anna Yesypenko, Chao Chen, and Gunnar Martinsson, SkelFMM: A Simplified Fast Multipole Method Based on Recursive Skeletonization. [arXiv]
Katherine Pearce, Chao Chen, Yijun Dong, and Gunnar Martinsson, Adaptive Parallelizable Algorithms for Interpolative Decompositions via Partially Pivoted LU. [arXiv]
Yijun Dong, Chao Chen, Gunnar Martinsson, and Katherine Pearce, Robust Blockwise Random Pivoting: Fast and Accurate Adaptive Interpolative Decomposition. [arXiv]
Refereed Journal and Conference Papers
Tianyu Liang, Chao Chen, Gunnar Martinsson, and George Biros, An O(N) distributed-memory parallel direct solver for planar integral equations, 2024 IEEE International Parallel and Distributed Processing Symposium (IPDPS). IEEE, 2024. [arXiv]
Nathan Heavner, Chao Chen, Abinand Gopal, and Per-Gunnar Martinsson, Efficient algorithms for computing rank-revealing factorizations on a GPU, Numerical Linear Algebra with Applications (2023). [arXiv]
Chao Chen, and Gunnar Martinsson, Solving Linear Systems on a GPU with Hierarchically Off-Diagonal Low-Rank Approximations, SC’22: Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis (2022). [arXiv] [code]
Chao Chen, and George Biros, Overlapping domain decomposition preconditioner for integral equations, SIAM Journal on Scientific Computing 44-6 (2022). [arXiv]
Chao Chen, Tianyu Liang, and George Biros, RCHOL: Randomized Cholesky Factorization for Solving SDD Linear Systems, SIAM Journal on Scientific Computing 43-6 (2021). [arXiv] [code]
Ruoxi Wang, Chao Chen, Jonghyun Lee, and Eric Darve, PBBFMM3D: a parallel black-box algorithm for kernel matrix-vector multiplication, Journal of Parallel and Distributed Computing 154 (2021). [arXiv] [code]
Chao Chen, Severin Reiz, Chenhan Yu, Hans-Joachim Bungartz, and George Biros, Fast Evaluation of the Gauss-Newton Hessian Matrix for the Multilayer Perceptron, SIAM Journal on Matrix Analysis and Applications 42-1 (2021). [arXiv]
Leopold Cambier, Chao Chen, Erik G. Boman, Sivasankaran Rajamanickam, Raymond S. Tuminaro, and Eric Darve, An Algebraic Sparsified Nested Dissection Algorithm using Low-Rank Approximations, SIAM Journal on Matrix Analysis and Applications 41-2 (2020). [arXiv]
Toru Takahashi, Chao Chen, and Eric Darve, Parallelization of the inverse fast multipole method with an application to boundary element method, Computer Physics Communications 247 (2020). [arXiv]
Chao Chen, Leopold Cambier, Erik G. Boman, Sivasankaran Rajamanickam, Raymond S. Tuminaro, and Eric Darve, A Robust Hierarchical Solver for Ill-conditioned Systems with Applications to Ice Sheet Modeling, Journal of Computational Physics 396 (2019). [PDF]
Chao Chen, Sylvie Aubry, Tomas Oppelstrup, Tom Arsenlis, and Eric Darve, Fast algorithms for evaluating the stress field of dislocation lines in anisotropic elastic media, Modeling and Simulation in Materials Science and Engineering 26-4 (2018). [PDF]
Chao Chen, Hadi Pouransari, Sivasankaran Rajamanickam, Erik G. Boman, and Eric Darve, A distributed-memory hierarchical solver for general sparse linear systems, Parallel Computing 74 (2018). [PDF]
Technical reports
Chao Chen, Raymond Tuminaro, Sivasankaran Rajamanickam, Erik G. Boman and Eric Darve, A Hierarchical Solver for Extruded Meshes with Applications to Ice Sheet Modeling, Center for Computing Research Summer Proceedings 2017, A.D. Baczewski and M.L. Parks, eds., Technical Report SAND2018-2780O, Sandia National Laboratories, 2018, pp. 3–18.
Chao Chen, Sivasankaran Rajamanickam, Erik G. Boman and Eric Darve, Parallel hierarchical solver for elliptic partial differential equations, Center for Computing Research Summer Proceedings 2016, J.B. Carleton and M.L. Parks, eds., Technical Report SAND2017-1294R, Sandia National Laboratories, 2017, pp. 3–16.
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