Computational challenges in the numerical treatment of large air pollution models I Dimov, K Georgiev, T Ostromsky, Z Zlatev Ecological modelling 179 (2), 187-203, 2004 | 51 | 2004 |

Calculating losses of crops in Denmark caused by high ozone levels Z Zlatev, I Dimov, T Ostromsky, G Geernaert, I Tzvetanov, A Bastrup-Birk Environmental Modeling & Assessment 6, 35-55, 2001 | 44 | 2001 |

Studying the sensitivity of pollutants’ concentrations caused by variations of chemical rates I Dimov, R Georgieva, S Ivanovska, T Ostromsky, Z Zlatev Journal of Computational and Applied Mathematics 235 (2), 391-402, 2010 | 34 | 2010 |

Advanced algorithms for multidimensional sensitivity studies of large-scale air pollution models based on Sobol sequences I Dimov, R Georgieva, T Ostromsky, Z Zlatev Computers & Mathematics with Applications 65 (3), 338-351, 2013 | 31 | 2013 |

Parallel implementation of a large-scale 3-D air pollution model T Ostromsky, Z Zlatev Large-Scale Scientific Computing: Third International Conference, LSSC 2001 …, 2001 | 30 | 2001 |

Flexible two-level parallel implementations of a large air pollution model T Ostromsky, Z Zlatev Numerical Methods and Applications: 5th International Conference, NMA 2002 …, 2003 | 26 | 2003 |

A locally optimized reordering algorithm and its application to a parallel sparse linear system solver K Gallivan, PC Hansen, T Ostromsky, Z Zlatev Computing 54 (1), 39-68, 1995 | 24 | 1995 |

Sensitivity studies of pollutant concentrations calculated by the UNI-DEM with respect to the input emissions I Dimov, R Georgieva, T Ostromsky, Z Zlatev Open Mathematics 11 (8), 1531-1545, 2013 | 22 | 2013 |

Monte Carlo sensitivity analysis of an Eulerian large-scale air pollution model I Dimov, R Georgieva, T Ostromsky Reliability Engineering & System Safety 107, 23-28, 2012 | 22 | 2012 |

Air pollution modelling, sensitivity analysis and parallel implementation T Ostromsky, I Dimov, R Georgieva, Z Zlatev International Journal of Environment and Pollution 46 (1-2), 83-96, 2011 | 20 | 2011 |

Advanced stochastic approaches for Sobol’sensitivity indices evaluation V Todorov, I Dimov, T Ostromsky, S Apostolov, R Georgieva, Y Dimitrov, ... Neural Computing and Applications 33, 1999-2014, 2021 | 19 | 2021 |

Challenges in using splitting techniques for large-scale environmental modeling I Dimov, T Ostromsky, Z Zlatev Advances in Air Pollution Modeling for Environmental Security: Proceedings …, 2005 | 18 | 2005 |

Parallel computation of sensitivity analysis data for the Danish Eulerian Model T Ostromsky, I Dimov, R Georgieva, Z Zlatev Large-Scale Scientific Computing: 8th International Conference, LSSC 2011 …, 2012 | 17 | 2012 |

Application of Richardson extrapolation for multi-dimensional advection equations Z Zlatev, I Dimov, I Faragó, K Georgiev, Á Havasi, T Ostromsky Computers & Mathematics with Applications 67 (12), 2279-2293, 2014 | 16 | 2014 |

Variance-based sensitivity analysis of the unified Danish Eulerian model according to variations of chemical rates I Dimov, R Georgieva, T Ostromsky, Z Zlatev Numerical Analysis and Its Applications: 5th International Conference, NAA …, 2013 | 16 | 2013 |

Advanced sensitivity analysis of the Danish Eulerian Model in parallel and grid environment T Ostromsky, I Dimov, P Marinov, R Georgieva, Z Zlatev AIP Conference Proceedings 1404 (1), 225-232, 2011 | 16 | 2011 |

Impact of climate changes on pollution levels in Europe P Csomos, R Cuciureanu, G Dimitriu, I Dimov, A Doroshenko, I Farago, ... NATO Project CLG 980505, 2006 | 13 | 2006 |

Computational complexity of weighted splitting schemes on parallel computers P Csomós, I Dimov, I Faragó, Á Havasi, T Ostromsky The International Journal of Parallel, Emergent and Distributed Systems 22 …, 2007 | 11 | 2007 |

Solving advection equations by applying the Crank-Nicolson scheme combined with the Richardson extrapolation Z Zlatev, I Dimov, I Farago, K Georgiev, A Havasi, T Ostromsky International Journal of Differential Equations 2011, 2011 | 10 | 2011 |

Improving the numerical stability and the performance of a parallel sparse solver ACN Van Duin, PC Hansen, T Ostromsky, H Wijshoff, Z Zlatev Computers & Mathematics with Applications 30 (12), 81-96, 1995 | 10 | 1995 |