A stochastic collocation algorithm with multifidelity models A Narayan, C Gittelson, D Xiu SIAM Journal on Scientific Computing 36 (2), A495-A521, 2014 | 120 | 2014 |

Adaptive Leja sparse grid constructions for stochastic collocation and high-dimensional approximation A Narayan, JD Jakeman SIAM Journal on Scientific Computing 36 (6), A2952-A2983, 2014 | 93 | 2014 |

Stochastic collocation methods on unstructured grids in high dimensions via interpolation A Narayan, D Xiu SIAM Journal on Scientific Computing 34 (3), A1729-A1752, 2012 | 79 | 2012 |

Computational aspects of stochastic collocation with multifidelity models X Zhu, A Narayan, D Xiu SIAM/ASA Journal on Uncertainty Quantification 2 (1), 444-463, 2014 | 70 | 2014 |

A Christoffel function weighted least squares algorithm for collocation approximations A Narayan, J Jakeman, T Zhou Mathematics of Computation 86 (306), 1913-1947, 2017 | 66 | 2017 |

A generalized sampling and preconditioning scheme for sparse approximation of polynomial chaos expansions JD Jakeman, A Narayan, T Zhou SIAM Journal on Scientific Computing 39 (3), A1114-A1144, 2017 | 58 | 2017 |

Minimal multi-element stochastic collocation for uncertainty quantification of discontinuous functions JD Jakeman, A Narayan, D Xiu Journal of Computational Physics 242, 790-808, 2013 | 47 | 2013 |

Stochastic collocation on unstructured multivariate meshes A Narayan, T Zhou Communications in Computational Physics 18 (1), 1-36, 2015 | 45 | 2015 |

Practical error bounds for a non-intrusive bi-fidelity approach to parametric/stochastic model reduction J Hampton, HR Fairbanks, A Narayan, A Doostan Journal of Computational Physics 368, 315-332, 2018 | 42 | 2018 |

Effectively subsampled quadratures for least squares polynomial approximations P Seshadri, A Narayan, S Mahadevan SIAM/ASA Journal on Uncertainty Quantification 5 (1), 1003-1023, 2017 | 38 | 2017 |

Numerical integration in multiple dimensions with designed quadrature V Keshavarzzadeh, RM Kirby, A Narayan SIAM Journal on Scientific Computing 40 (4), A2033-A2061, 2018 | 37 | 2018 |

Multivariate discrete least-squares approximations with a new type of collocation grid T Zhou, A Narayan, Z Xu SIAM Journal on Scientific Computing 36 (5), A2401-A2422, 2014 | 32 | 2014 |

Weighted discrete least-squares polynomial approximation using randomized quadratures T Zhou, A Narayan, D Xiu Journal of Computational Physics 298, 787-800, 2015 | 30 | 2015 |

Polynomial chaos expansions for dependent random variables JD Jakeman, F Franzelin, A Narayan, M Eldred, D Plfüger Computer Methods in Applied Mechanics and Engineering 351, 643-666, 2019 | 26 | 2019 |

A gradient enhanced ℓ1-minimization for sparse approximation of polynomial chaos expansions L Guo, A Narayan, T Zhou Journal of Computational Physics 367, 49-64, 2018 | 25 | 2018 |

Constructing nested nodal sets for multivariate polynomial interpolation A Narayan, D Xiu SIAM Journal on Scientific Computing 35 (5), A2293-A2315, 2013 | 22 | 2013 |

Generation and application of multivariate polynomial quadrature rules JD Jakeman, A Narayan Computer Methods in Applied Mechanics and Engineering 338, 134-161, 2018 | 20 | 2018 |

A reduced radial basis function method for partial differential equations on irregular domains Y Chen, S Gottlieb, A Heryudono, A Narayan Journal of Scientific Computing 66 (1), 67-90, 2016 | 20 | 2016 |

Stochastic Collocation Methods via Minimization Using Randomized Quadratures L Guo, A Narayan, T Zhou, Y Chen SIAM Journal on Scientific Computing 39 (1), A333-A359, 2017 | 18 | 2017 |

Fast predictive models based on multi-fidelity sampling of properties in molecular dynamics simulations M Razi, A Narayan, RM Kirby, D Bedrov Computational Materials Science 152, 125-133, 2018 | 17 | 2018 |