Fast and scalable Gaussian process modeling with applications to astronomical time series D Foreman-Mackey, E Agol, S Ambikasaran, R Angus The Astronomical Journal 154 (6), 220, 2017 | 825 | 2017 |
Fast Direct Methods for Gaussian Processes S Ambikasaran, D Foreman-Mackey, L Greengard, DW Hogg, M O'Neil IEEE Transactions on Pattern Analysis and Machine Intelligence, 2015 | 745 | 2015 |
An O(N log N) Fast Direct Solver for Partial Hierarchically Semi-Separable Matrices S Ambikasaran, E Darve Journal of Scientific Computing 57 (3), 477-501, 2013 | 255 | 2013 |
A fast block low-rank dense solver with applications to finite-element matrices A Aminfar, S Ambikasaran, E Darve Journal of Computational Physics 304, 170–188, 2016 | 143 | 2016 |
Deterministic matrices matching the compressed sensing phase transitions of Gaussian random matrices H Monajemi, S Jafarpour, M Gavish, Stat 330/CME 362 Collaboration, ... Proceedings of the National Academy of Sciences 110 (4), 1181-1186, 2013 | 122 | 2013 |
The inverse fast multipole method S Ambikasaran, E Darve arXiv preprint arXiv:1407.1572, 2014 | 68 | 2014 |
Large-scale stochastic linear inversion using hierarchical matrices: Illustrated with an application to crosswell tomography in seismic imaging S Ambikasaran, JY Li, PK Kitanidis, E Darve Computational Geosciences 17, 913-927, 2013 | 58 | 2013 |
Untruncated infinite series superposition method for accurate flexural analysis of isotropic/orthotropic rectangular plates with arbitrary edge conditions K Bhaskar, S Ambikasaran Composite Structures 83 (1), 83--92, 2008 | 58 | 2008 |
Fast algorithms for dense numerical linear algebra and applications S Ambikasaran Stanford University, 2013 | 50 | 2013 |
A fast direct solver for high frequency scattering from a large cavity in two dimensions J Lai, S Ambikasaran, LF Greengard SIAM Journal on Scientific Computing 36 (6), B887-B903, 2014 | 45 | 2014 |
Application of Hierarchical Matrices to Linear Inverse Problems in Geostatistics AK Saibaba, S Ambikasaran, J Yue Li, PK Kitanidis, EF Darve Oil & Gas Science and Technology–Revue d’IFP Energies nouvelles 67 (5), 857--875, 2012 | 45 | 2012 |
A Kalman filter powered by H^2-matrices for quasi-continuous data assimilation problems JY Li, S Ambikasaran, EF Darve, PK Kitanidis Water Resources Research 50, 3734–3749, 2014 | 44 | 2014 |
Fast symmetric factorization of hierarchical matrices with applications S Ambikasaran, M O'Neil, KR Singh arXiv preprint arXiv:1405.0223, 2014 | 38 | 2014 |
Fast, adaptive, high-order accurate discretization of the Lippmann--Schwinger equation in two dimensions S Ambikasaran, C Borges, LM Imbert-Gerard, L Greengard SIAM Journal on Scientific Computing 38 (3), A1770-A1787, 2016 | 37 | 2016 |
celerite: Scalable 1D Gaussian Processes in C++ D Foreman-Mackey, E Agol, S Ambikasaran, R Angus Python, and Julia, 2017 | 30 | 2017 |
celerite: Scalable 1D Gaussian Processes in C++, Python, and Julia D Foreman-Mackey, E Agol, S Ambikasaran, R Angus Astrophysics Source Code Library, ascl: 1709.008, 2017 | 25 | 2017 |
Fast algorithms for Bayesian inversion S Ambikasaran, AK Saibaba, EF Darve, PK Kitanidis Computational Challenges in the Geosciences, 101-142, 2013 | 20 | 2013 |
Hodlrlib: A library for hierarchical matrices S Ambikasaran, KR Singh, SS Sankaran Journal of Open Source Software 4 (34), 1167, 2019 | 16 | 2019 |
Fast Direct Methods for Gaussian Processes M O’Neil, S Ambikasaran, D Foreman-Mackey, L Greengard, DW Hogg IEEE Transactions on Pattern Analysis and Machine Intelligence, 2015 | 13 | 2015 |
Astrophysics Source Code Library D Foreman-Mackey, E Agol, S Ambikasaran, R Angus | 13 | 2013 |