Iterative thresholding algorithm for sparse inverse covariance estimation B Rolfs, B Rajaratnam, D Guillot, I Wong, A Maleki Advances in Neural Information Processing Systems 25, 2012 | 125 | 2012 |

Evaluating climate field reconstruction techniques using improved emulations of real-world conditions J Wang, J Emile-Geay, D Guillot, JE Smerdon, B Rajaratnam Climate of the Past 10 (1), 1-19, 2014 | 82 | 2014 |

Statistical paleoclimate reconstructions via Markov random fields D Guillot, B Rajaratnam, J Emile-Geay | 74 | 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 | 53 | 2015 |

De branges–Rovnyak spaces and Dirichlet spaces N Chevrot, D Guillot, T Ransford Journal of Functional Analysis 259 (9), 2366-2383, 2010 | 36 | 2010 |

Functions preserving positive definiteness for sparse matrices D Guillot, B Rajaratnam Transactions of the American Mathematical Society 367 (1), 627-649, 2015 | 35 | 2015 |

Matrix positivity preservers in fixed dimension. I A Belton, D Guillot, A Khare, M Putinar Advances in Mathematics 298, 325-368, 2016 | 32 | 2016 |

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 | 32 | 2015 |

Retaining positive definiteness in thresholded matrices D Guillot, B Rajaratnam Linear algebra and its applications 436 (11), 4143-4160, 2012 | 31 | 2012 |

A panorama of positivity. I: Dimension free A Belton, D Guillot, A Khare, M Putinar Analysis of Operators on Function Spaces: The Serguei Shimorin Memorial …, 2019 | 25 | 2019 |

Preserving positivity for rank-constrained matrices D Guillot, A Khare, B Rajaratnam Transactions of the American Mathematical Society 369 (9), 6105-6145, 2017 | 25 | 2017 |

Differential calculus on graphon space P Diao, D Guillot, A Khare, B Rajaratnam Journal of Combinatorial Theory, Series A 133, 183-227, 2015 | 21 | 2015 |

Fine boundary behavior and invariant subspaces of harmonically weighted Dirichlet spaces D Guillot Complex Analysis and Operator Theory 6 (6), 1211-1230, 2012 | 20 | 2012 |

Climate field completion via Markov random fields: Application to the HadCRUT4. 6 temperature dataset A Vaccaro, J Emile-Geay, D Guillot, R Verna, C Morice, J Kennedy, ... Journal of Climate 34 (10), 4169-4188, 2021 | 18 | 2021 |

Preserving positivity for matrices with sparsity constraints D Guillot, A Khare, B Rajaratnam Transactions of the American Mathematical Society 368 (12), 8929-8953, 2016 | 18 | 2016 |

Moment-sequence transforms A Belton, D Guillot, A Khare, M Putinar Journal of the European Mathematical Society 24 (9), 3109-3160, 2021 | 17 | 2021 |

Critical exponents of graphs D Guillot, A Khare, B Rajaratnam Journal of Combinatorial Theory, Series A 139, 30-58, 2016 | 16 | 2016 |

Totally positive kernels, Pólya frequency functions, and their transforms A Belton, D Guillot, A Khare, M Putinar Journal d'Analyse Mathematique 150 (1), 83-158, 2023 | 13 | 2023 |

A panorama of positivity. II: Fixed dimension A Belton, D Guillot, A Khare, M Putinar Contemporary Mathematics 743, 109-150, 2020 | 13 | 2020 |

Model-free consistency of graph partitioning P Diao, D Guillot, A Khare, B Rajaratnam arXiv preprint arXiv:1608.03860, 2016 | 13 | 2016 |