Tzvetan Ostromsky

50 papers A 1C 3Misc 1Journal 9Unranked 36

Year	Rank	Type	Title / Venue / Authors
2024	—	`conf`	Sensitivity Analysis in Air Pollution Modeling Supported by High Performance Supercomputers. FedCSIS (Communication Papers) Tzvetan Ostromsky, Silvi-Maria Gurova, Meglena D. Lazarova
2023	C	`conf`	A Stochastic Optimization Technique for UNI-DEM framework. FedCSIS Venelin Todorov, Slavi G. Georgiev, Ivan Dimov, Tzvetan Ostromsky
2023	—	`conf`	Improved Stochastic Lattice Methods for Large-Scale Air Pollution Model. LSSC Venelin Todorov, Slavi G. Georgiev, Ivan Tomov Dimov, Rayna Georgieva, Tzvetan Ostromsky
2023	C	`conf`	Sensitivity Study of a Large-scale Air Pollution Model on the Bulgarian Petascale Supercomputer Discoverer. FedCSIS Tzvetan Ostromsky, Ivan Dimov, Rayna Georgieva, Venelin Todorov
2022	—	`conf`	An Optimized Monte Carlo Approach for Multidimensional Integrals Related to Intelligent Systems. FedCSIS (Communication Papers) Venelin Todorov, Ivan Dimov, Stefka Fidanova, Rayna Georgieva, Tzvetan Ostromsky, Stoyan Poryazov
2022	C	`conf`	Optimization, Performance and Scalability Experiments of a Large Air Pollution Model by Using the EuroHPC Petascale Supercomputer DISCOVERER. WCO Tzvetan Ostromsky
2022	—	`conf`	Optimized Stochastic Approaches Based on Sobol Quasirandom Sequences for Fredholm Integral Equations of the Second Kind. NMA Venelin Todorov, Ivan Dimov, Rayna Georgieva, Tzvetan Ostromsky
2022	—	`conf`	Performance and Scalability Experiments with a Large-scale Air Pollution Model on the EuroHPC Petascale Supercomputer DISCOVERER. FedCSIS (Communication Papers) Tzvetan Ostromsky
2022	—	`conf`	Sensitivity Analysis of an Air Pollution Model with Using Innovative Monte Carlo Methods in Calculating Multidimensional Integrals. NMA Tzvetan Ostromsky, Venelin Todorov, Ivan Dimov, Rayna Georgieva
2021	J	`jnl`	Advanced stochastic approaches for Sobol' sensitivity indices evaluation. Neural Comput. Appl. Venelin Todorov, Ivan Dimov, Tzvetan Ostromsky, Stoyan Apostolov, Rayna Georgieva, Yuri Dimitrov, Zahari Zlatev
2021	—	`conf`	Multidimensional Sensitivity Analysis of an Air Pollution Model Based on Modifications of the van der Corput Sequence. LSSC Venelin Todorov, Ivan Dimov, Rayna Georgieva, Tzvetan Ostromsky, Zahari Zlatev, Stoyan Poryazov
2021	—	`conf`	Optimized stochastic methods for sensitivity analysis for large-scale air pollution model. FedCSIS (Position Papers) Venelin Todorov, Tzvetan Ostromsky, Ivan Dimov, Rayna Georgieva
2021	—	`conf`	Sensitivity Study of Large-Scale Air Pollution Model Based on Modifications of the Latin Hypercube Sampling Method. LSSC Tzvetan Ostromsky, Venelin Todorov, Ivan Dimov, Rayna Georgieva, Zahari Zlatev, Stoyan Poryazov
2020	—	`conf`	Optimized Quasi-Monte Carlo Method Based on Low Discrepancy Sequences for Sensitivity Analysis in Air Pollution Modelling. FedCSIS (Communication Papers) Venelin Todorov, Tzvetan Ostromsky, Ivan Dimov, Stefka Fidanova
2020	—	`conf`	Optimized Quasi-Monte Carlo Methods Based on Van der Corput Sequence for Sensitivity Analysis in Air Pollution Modelling. WCO@FedCSIS Venelin Todorov, Ivan Dimov, Tzvetan Ostromsky, Zahari Zlatev, Rayna Georgieva, Stoyan Poryazov
2020	—	`conf`	Sensitivity Study of a Large-Scale Air Pollution Model by Using Optimized Latin Hyprecube Sampling. WCO@FedCSIS Venelin Todorov, Ivan Dimov, Tzvetan Ostromsky, Zahari Zlatev, Rayna Georgieva, Stoyan Poryazov
2020	—	`conf`	Sensitivity Study of a Large-Scale Air Pollution Model by Using Optimized Stochastic Algorithm. FedCSIS (Communication Papers) Venelin Todorov, Tzvetan Ostromsky, Ivan Dimov, Stefka Fidanova
2019	—	`conf`	Advanced Quasi-Monte Carlo Algorithms for Multidimensional Integrals in Air Pollution Modelling. HPC Venelin Todorov, Ivan Dimov, Tzvetan Ostromsky, Zahari Zlatev
2019	—	`conf`	Efficient Stochastic Algorithms for the Sensitivity Analysis Problem in the Air Pollution Modelling. LSSC Tzvetan Ostromsky, Venelin Todorov, Ivan Dimov, Zahari Zlatev
2019	—	`conf`	Sensitivity Studies of an Air Pollution Model by Using Efficient Stochastic Algorithms for Multidimensional Numerical Integration. HPC Tzvetan Ostromsky, Venelin Todorov, Ivan Dimov, Zahari Zlatev
2018	—	`conf`	Sensitivity Analysis of an Air Pollution Model by Using Quasi-Monte Carlo Algorithms for Multidimensional Numerical Integration. NMA Tzvetan Ostromsky, Ivan Dimov, Venelin Todorov, Zahari Zlatev
2016	Misc	`conf`	On the Performance, Scalability and Sensitivity Analysis of a Large Air Pollution Model. ICCS Tzvetan Ostromsky, Vassil Alexandrov, Ivan Dimov, Zahari Zlatev
2015	J	`jnl`	Preparing input data for sensitivity analysis of an air pollution model by using high-performance supercomputers and algorithms. Comput. Math. Appl. Tzvetan Ostromsky, Ivan Dimov, Vassil Alexandrov, Zahari Zlatev
2014	J	`jnl`	Application of Richardson extrapolation for multi-dimensional advection equations. Comput. Math. Appl. Zahari Zlatev, Ivan Dimov, István Faragó, Krassimir Georgiev, Ágnes Havasi, Tzvetan Ostromsky
2013	J	`jnl`	Advanced algorithms for multidimensional sensitivity studies of large-scale air pollution models based on Sobol sequences. Comput. Math. Appl. Ivan Dimov, Rayna Georgieva, Tzvetan Ostromsky, Zahari Zlatev
2012	—	`conf`	High Performance Computing of Data for a New Sensitivity Analysis Algorithm, Applied in an Air Pollution Model. NAA Tzvetan Ostromsky, Ivan Dimov, Rayna Georgieva, Pencho Marinov, Zahari Zlatev
2012	J	`jnl`	Monte Carlo sensitivity analysis of an Eulerian large-scale air pollution model. Reliab. Eng. Syst. Saf. Ivan Dimov, Rayna Georgieva, Tzvetan Ostromsky
2012	—	`conf`	Variance-Based Sensitivity Analysis of the Unified Danish Eulerian Model According to Variations of Chemical Rates. NAA Ivan Dimov, Rayna Georgieva, Tzvetan Ostromsky, Zahari Zlatev
2011	—	`conf`	New Parallel Implementation of an Air Pollution Computer Model - Performance Study on an IBM Blue Gene/P Computer. LSSC Krassimir Georgiev, Tzvetan Ostromsky, Zahari Zlatev
2011	—	`conf`	Parallel Computation of Sensitivity Analysis Data for the Danish Eulerian Model. LSSC Tzvetan Ostromsky, Ivan Dimov, Rayna Georgieva, Zahari Zlatev
2010	—	`conf`	Richardson Extrapolated Numerical Methods for Treatment of One-Dimensional Advection Equations. NMA Zahari Zlatev, Ivan Dimov, István Faragó, Krassimir Georgiev, Ágnes Havasi, Tzvetan Ostromsky
2010	J	`jnl`	Studying the sensitivity of pollutants' concentrations caused by variations of chemical rates. J. Comput. Appl. Math. Ivan Dimov, Rayna Georgieva, Sofiya Ivanovska, Tzvetan Ostromsky, Zahari Zlatev
2009	—	`conf`	Sensitivity Analysis of a Large-Scale Air Pollution Model: Numerical Aspects and a Highly Parallel Implementation. LSSC Tzvetan Ostromsky, Ivan Dimov, Rayna Georgieva, Zahari Zlatev
2008	—	`conf`	Parallel Performance and Scalability Experiments with the Danish Eulerian Model on the EPCC Supercomputers. NAA Tzvetan Ostromsky, Ivan Dimov, Zahari Zlatev
2007	J	`jnl`	Computational complexity of weighted splitting schemes on parallel computers. Int. J. Parallel Emergent Distributed Syst. Petra Csomós, Ivan Dimov, István Faragó, Ágnes Havasi, Tzvetan Ostromsky
2006	—	`conf`	Parallel and GRID Implementation of a Large Scale Air Pollution Model. Numerical Methods and Applications Tzvetan Ostromsky, Zahari Zlatev
2004	—	`conf`	Parallel Implementation and One Year Experiments with the Danish Eulerian Model. NAA Tzvetan Ostromsky, Ivan Dimov, Zahari Zlatev
2002	—	`conf`	Flexible Two-Level Parallel Implementations of a Large Air Pollution Model. Numerical Methods and Application Tzvetan Ostromsky, Zahari Zlatev
2001	A	`conf`	Computational challenges in large-scale air pollution modelling. ICS Tzvetan Ostromsky, Wojciech Owczarz, Zahari Zlatev
2001	—	`conf`	Parallel Implementation of a Large-Scale 3-D Air Pollution Model. LSSC Tzvetan Ostromsky, Zahari Zlatev
2000	—	`conf`	Estimation of the Wheat Losses Caused by the Tropospheric Ozone in Bulgaria and Denmark. NAA Tzvetan Ostromsky, Ivan Dimov, Ilia Tzvetanov, Zahari Zlatev
1999	—	`conf`	Economical Estimation of the Losses of Crops Due to High Ozone Levels. LSSC Ivan Dimov, Tzvetan Ostromsky, Ilia Tzvetanov, Zahari Zlatev
1998	J	`jnl`	A Coarse-Grained Parallel Parallel Comput. Tzvetan Ostromsky, Per Christian Hansen, Zahari Zlatev
1997	—	`conf`	Application of Sparse Matrix Techniques in the Chemical Part of a Large Air Pollution Model. LSSC Tzvetan Ostromsky, Zahari Zlatev
1996	—	`conf`	Parallel Solution of Sparse Problems by Using a Sequence of Large Dense Blocks. PARA Tzvetan Ostromsky, Stefano Salvini, Jerzy Wasniewski, Zahari Zlatev
1996	—	`conf`	Using Dense Matrix Computations in the Solution of Sparse Problems. WNAA Tzvetan Ostromsky, Zahari Zlatev
1995	—	`conf`	A Parallel Sparse PARA Tzvetan Ostromsky, Per Christian Hansen, Zahari Zlatev
1995	J	`jnl`	Locally Optimized Reordering Algorithm and its Application to a Parallel Sparse Linear System Solver. Computing Kyle A. Gallivan, Per Christian Hansen, Tzvetan Ostromsky, Zahari Zlatev
1994	—	`conf`	Distributed Control using Shared Input. Applied Informatics Zdravko Karakehayov, Tzvetan Ostromsky
1994	—	`conf`	Two Enhancements in a Partitioned Sparse Code. PARA Per Christian Hansen, Tzvetan Ostromsky, Zahari Zlatev