Radiation boundary conditions for the numerical simulation of waves T Hagstrom Acta numerica 8, 47-106, 1999 | 438 | 1999 |

Rapid evaluation of nonreflecting boundary kernels for time-domain wave propagation B Alpert, L Greengard, T Hagstrom SIAM Journal on Numerical Analysis 37 (4), 1138-1164, 2000 | 221 | 2000 |

A new auxiliary variable formulation of high-order local radiation boundary conditions: corner compatibility conditions and extensions to first-order systems T Hagstrom, T Warburton Wave motion 39 (4), 327-338, 2004 | 187 | 2004 |

A formulation of asymptotic and exact boundary conditions using local operators T Hagstrom, SI Hariharan Applied Numerical Mathematics 27 (4), 403-416, 1998 | 181 | 1998 |

Nonreflecting boundary conditions for the time-dependent wave equation B Alpert, L Greengard, T Hagstrom Journal of Computational Physics 180 (1), 270-296, 2002 | 172 | 2002 |

High-order local absorbing conditions for the wave equation: Extensions and improvements T Hagstrom, A Mar-Or, D Givoli Journal of computational physics 227 (6), 3322-3357, 2008 | 162 | 2008 |

Perfectly matched layers for hyperbolic systems: general formulation, well-posedness, and stability D Appelö, T Hagstrom, G Kreiss SIAM Journal on Applied Mathematics 67 (1), 1-23, 2006 | 141 | 2006 |

New results on absorbing layers and radiation boundary conditions T Hagstrom Topics in computational wave propagation, 1-42, 2003 | 139 | 2003 |

Exact boundary conditions at an artificial boundary for partial differential equations in cylinders T Hagstrom, HB Keller SIAM journal on mathematical analysis 17 (2), 322-341, 1986 | 119 | 1986 |

Asymptotic boundary conditions and numerical methods for nonlinear elliptic problems on unbounded domains TM Hagstrom, HB Keller Mathematics of computation 48 (178), 449-470, 1987 | 98 | 1987 |

An efficient spectral method for ordinary differential equations with rational function coefficients E Coutsias, T Hagstrom, D Torres Mathematics of Computation 65 (214), 611-635, 1996 | 97 | 1996 |

Finite element formulation with high-order absorbing boundary conditions for time-dependent waves D Givoli, T Hagstrom, I Patlashenko Computer Methods in Applied Mechanics and Engineering 195 (29-32), 3666-3690, 2006 | 95 | 2006 |

High-order absorbing boundary conditions for anisotropic and convective wave equations E Bécache, D Givoli, T Hagstrom Journal of Computational Physics 229 (4), 1099-1129, 2010 | 81 | 2010 |

Numerical experiments on a domain decomposition algorithm for nonlinear elliptic boundary value problems T Hagstrom, RP Tewarson, A Jazcilevich Applied Mathematics Letters 1 (3), 299-302, 1988 | 81 | 1988 |

Complete radiation boundary conditions: minimizing the long time error growth of local methods T Hagstrom, T Warburton SIAM Journal on Numerical Analysis 47 (5), 3678-3704, 2009 | 76 | 2009 |

Radiation boundary conditions for Maxwell's equations: a review of accurate time-domain formulations T Hagstrom, S Lau Journal of Computational Mathematics, 305-336, 2007 | 70 | 2007 |

Accurate boundary conditions for exterior problems in gas dynamics T Hagstrom, SI Hariharan Mathematics of Computation 51 (184), 581-597, 1988 | 62 | 1988 |

Taming the CFL number for discontinuous Galerkin methods on structured meshes T Warburton, T Hagstrom SIAM Journal on Numerical Analysis 46 (6), 3151-3180, 2008 | 59 | 2008 |

Local high-order absorbing boundary conditions for time-dependent waves in guides T Hagstrom, ML De Castro, D Givoli, D Tzemach Journal of Computational Acoustics 15 (01), 1-22, 2007 | 56 | 2007 |

Integration preconditioners for differential operators in spectral-methods EA Coutsias, T Hagstrom, JS Hesthaven, D Torres Proceedings of the Third International Conference on Spectral and High Order …, 1996 | 56 | 1996 |