Iterative thresholding algorithm for sparse inverse covariance estimation B Rolfs, B Rajaratnam, D Guillot, I Wong, A Maleki Advances in Neural Information Processing Systems, 1574-1582, 2012 | 80 | 2012 |

Evaluating climate field reconstruction techniques using improved emulations of real-world conditions J Wang, J Emile-Geay, JE Smerdon, D Guillot, B Rajaratnam | 63 | 2014 |

Statistical paleoclimate reconstructions via Markov random fields D Guillot, B Rajaratnam, J Emile-Geay The Annals of Applied Statistics 9 (1), 324-352, 2015 | 53 | 2015 |

Fragility of reconstructed temperature patterns over the Common Era: Implications for model evaluation J Wang, J Emile‐Geay, D Guillot, NP McKay, B Rajaratnam Geophysical Research Letters 42 (17), 7162-7170, 2015 | 37 | 2015 |

Functions preserving positive definiteness for sparse matrices D Guillot, B Rajaratnam Transactions of the American Mathematical Society 367 (1), 627-649, 2015 | 25 | 2015 |

Retaining positive definiteness in thresholded matrices D Guillot, B Rajaratnam Linear Algebra and its Applications 436 (11), 4143-4160, 2012 | 22 | 2012 |

Complete characterization of Hadamard powers preserving Loewner positivity, monotonicity, and convexity D Guillot, A Khare, B Rajaratnam Journal of Mathematical Analysis and Applications 425 (1), 489-507, 2015 | 21 | 2015 |

Preserving positivity for rank-constrained matrices D Guillot, A Khare, B Rajaratnam Transactions of the American Mathematical Society 369 (9), 6105-6145, 2017 | 20 | 2017 |

Matrix positivity preservers in fixed dimension. I A Belton, D Guillot, A Khare, M Putinar Advances in Mathematics 298, 325-368, 2016 | 19 | 2016 |

De branges–Rovnyak spaces and Dirichlet spaces N Chevrot, D Guillot, T Ransford Journal of Functional Analysis 259 (9), 2366-2383, 2010 | 19 | 2010 |

Differential calculus on graphon space P Diao, D Guillot, A Khare, B Rajaratnam Journal of Combinatorial Theory, Series A 133, 183-227, 2015 | 16 | 2015 |

Preserving positivity for matrices with sparsity constraints D Guillot, A Khare, B Rajaratnam Transactions of the American Mathematical Society 368 (12), 8929-8953, 2016 | 14 | 2016 |

Fine boundary behavior and invariant subspaces of harmonically weighted Dirichlet spaces D Guillot Complex Analysis and Operator Theory 6 (6), 1211-1230, 2012 | 12 | 2012 |

Moment-sequence transforms A Belton, D Guillot, A Khare, M Putinar arXiv preprint arXiv:1610.05740, 2016 | 11 | 2016 |

A Panorama of Positivity. I: Dimension Free A Belton, D Guillot, A Khare, M Putinar Analysis of Operators on Function Spaces, 117-165, 2019 | 7 | 2019 |

Critical exponents of graphs D Guillot, A Khare, B Rajaratnam Journal of Combinatorial Theory, Series A 139, 30-58, 2016 | 7 | 2016 |

The critical exponent conjecture for powers of doubly nonnegative matrices D Guillot, A Khare, B Rajaratnam Linear Algebra and its Applications 439 (8), 2422-2427, 2013 | 7 | 2013 |

A three-step agglomerated machine learning: an alternative to Weibull defect analysis of rail infrastructure A Lasisi, EN Martey, D Guillot, N Attoh-Okine 2018 IEEE International Conference on Big Data (Big Data), 4508-4515, 2018 | 6 | 2018 |

Model-free consistency of graph partitioning P Diao, D Guillot, A Khare, B Rajaratnam arXiv preprint arXiv:1608.03860, 2016 | 5 | 2016 |

On fractional Hadamard powers of positive block matrices D Guillot, A Khare, B Rajaratnam arXiv preprint arXiv:1404.6839, 2014 | 5 | 2014 |