Variational formulation for the stationary fractional advection dispersion equation VJ Ervin, JP Roop Numerical Methods for Partial Differential Equations: An International …, 2006 | 875 | 2006 |

Computational aspects of FEM approximation of fractional advection dispersion equations on bounded domains in R2 JP Roop Journal of Computational and Applied Mathematics 193 (1), 243-268, 2006 | 335 | 2006 |

Variational solution of fractional advection dispersion equations on bounded domains in ℝ^{d}VJ Ervin, JP Roop Numerical Methods for Partial Differential Equations: An International …, 2007 | 305 | 2007 |

Numerical approximation of a time dependent, nonlinear, space-fractional diffusion equation VJ Ervin, N Heuer, JP Roop SIAM journal on numerical analysis 45 (2), 572-591, 2007 | 299 | 2007 |

Least squares finite-element solution of a fractional order two-point boundary value problem GJ Fix, JP Roof Computers & Mathematics with Applications 48 (7-8), 1017-1033, 2004 | 296 | 2004 |

Regularity of the solution to 1-D fractional order diffusion equations V Ervin, N Heuer, J Roop Mathematics of Computation 87 (313), 2273-2294, 2018 | 130 | 2018 |

Variational solution of the fractional advection dispersion equation JP Roop Clemson University, 2004 | 113 | 2004 |

Numerical approximation of a one-dimensional space fractional advection–dispersion equation with boundary layer JP Roop Computers & Mathematics with Applications 56 (7), 1808-1819, 2008 | 51 | 2008 |

A bounded artificial viscosity large eddy simulation model J Borggaard, T Iliescu, JP Roop SIAM Journal on Numerical Analysis 47 (1), 622-645, 2009 | 34 | 2009 |

A two-level discretization method for the Smagorinsky model J Borggaard, T Iliescu, H Lee, JP Roop, H Son Multiscale Modeling & Simulation 7 (2), 599-621, 2008 | 30 | 2008 |

A Family of Sixth‐Order Compact Finite‐Difference Schemes for the Three‐Dimensional Poisson Equation Y Kyei, JP Roop, G Tang Advances in Numerical Analysis 2010 (1), 352174, 2010 | 21 | 2010 |

Two‐level discretization of the Navier‐Stokes equations with r‐Laplacian subgridscale viscosity J Borggaard, T Iliescu, JP Roop Numerical Methods for Partial Differential Equations 28 (3), 1056-1078, 2012 | 20 | 2012 |

A fast wavelet multilevel approach to total variation image denoising K Edoh, JP Roop International Journal of Signal Processing, Image Processing and Pattern …, 2009 | 17 | 2009 |

Instructional Selection of Active Learning and Traditional Courses Increases Student Achievement in College Mathematics. JP Roop, K Edoh, A Kurepa Journal of Education and Learning 7 (5), 11-19, 2018 | 15 | 2018 |

A Proper‐Orthogonal Decomposition Variational Multiscale Approximation Method for a Generalized Oseen Problem JP Roop Advances in Numerical Analysis 2013 (1), 974284, 2013 | 13 | 2013 |

An improved penalty method for power-law Stokes problems J Borggaard, T Iliescu, JP Roop Journal of computational and applied mathematics 223 (2), 646-658, 2009 | 10 | 2009 |

Numerical comparison of nonlinear subgridscale models via adaptive mesh refinement JP Roop Mathematical and Computer Modelling 46 (11-12), 1487-1506, 2007 | 6 | 2007 |

Variational solution to the fractional advection dispersion equation VJ Ervin, JP Roop Numer. Meth. PDE, to appear, 2005 | 4 | 2005 |

Is Active Learning with Technology Changing Minority Students’ Attitudes Towards Mathematics? K Edoh, A Kurepa, JP Roop Society for Information Technology & Teacher Education International …, 2017 | 2 | 2017 |

A university without departments and colleges-A new structure to strengthen disciplinary and interdisciplinary education and research S Bililign, K Schimmel, JP Roop, G Meyerson Int J Innov Educ Res 3, 2015 | 2 | 2015 |