Адрес

акад. Г. Бончев, бл. 25А
София 1113, България
тел.: (+3592) 9796610
факс: (+3592) 8707273
Електронна поща: kosturski@parallel.bas.bg

Научни интереси

  • Научни пресмятания и паралелни алгоритми
  • Числени методи за частни диференциални уравнения (метод на крайните елементи)
  • Изчислителна линейна алгебра (итерационни методи и алгоритми, преобуславяне, разредени матрици)

Образование

  • в момента - докторант по Информатика
  • 1997 - 2002 - магистър, Факултет по Математика и Информатика, Софийски Университет
  • 1992 - 1997 - Национална Природо-Математическа Гимназия

Чужди езици

  • Английски

Публикации

  1. N. Kosturski, S. Margenov, Y. Vutov: Non-Overlapping Domain Decomposition via BURA Preconditioning of the Schur Complement, Mathematics 2022, 10(13), 2327.
  2. S. Harizanov, N. Kosturski, I. Lirkov, S. Margenov, Y. Vutov: Reduced Sum Implementation of the BURA Method for Spectral Fractional Diffusion Problems, Large-Scale Scientific Computations 2021, Springer LNCS 13127, pp. 284-291.
  3. S. Harizanov, N. Kosturski, I. Lirkov, S. Margenov, Y. Vutov: Reduced Multiplicative (BURA-MR) and Additive (BURA-AR) Best Uniform Rational Approximation Methods and Algorithms for Fractional Elliptic Equations, Fractal Fract. 2021, 5, 61.
  4. S. Harizanov, N. Kosturski, S. Margenov, Y. Vutov: Neumann fractional diffusion problems: BURA solution methods and algorithms, Mathematics and Computers in Simulation 189, pp. 85-98.
  5. G. Bencheva, N. Kosturski, Y. Vutov: Parallel BURA Based Numerical Solution of Fractional Laplacian with Pure Neumann Boundary Conditions, Large-Scale Scientific Computations 2019, Springer LNCS 11958, pp. 284-291.
  6. N. Kosturski, S. Margenov, Y. Vutov: Performance Analysis of MG Preconditioning on Intel Xeon Phi: Towards Scalability for Extreme Scale Problems with Fractional Laplacians, Large-Scale Scientific Computations 2017, Springer LNCS 10665, pp. 304-312.
  7. N. Kosturski, I. Lirkov, S. Margenov, Y. Vutov: Thermoelectrical Tick Removal Process Modeling, Large-Scale Scientific Computations 2015, Springer LNCS 9374, pp. 369-376.
  8. N. Kosturski, I. Lirkov, S. Margenov, P. Popov, N. Simeonov, Y. Vutov: Performance Analysis of Block AMG Preconditioning of Poroelasticity Equations, Large-Scale Scientific Computations 2015, Springer LNCS 9374, pp. 377-384.
  9. K. Georgiev, N. Kosturski, Y. Vutov: On the Adaptive Time-Stepping in Radio-Frequency Liver Ablation Simulation: Some Preliminary Results, Large-Scale Scientific Computations 2013, Springer LNCS 8353, pp. 397-404.
  10. N. Kosturski, S. Margenov, Y. Vutov: Calibration of Parameters for Radio-Frequency Ablation Simulation, Large-Scale Scientific Computations 2013, Springer LNCS 8353, pp. 611-618.
  11. M. Ganzha, N. Kosturski, S. Margenov, I. Lirkov: Improving the efficiency of parallel alternating directions algorithm for time dependent problems, AMiTaNS'12 Proceedings, AIP CP vol. 1487, pp. 322-328.
  12. N. Kosturski, S. Margenov, Y. Vutov: Computer simulation of RF liver ablation on an MRI scan data, AMiTaNS'12 Proceedings, AIP CP vol. 1487, pp. 120-126.
  13. N. Kosturski, S. Margenov, Y. Vutov: Balancing the Communications and Computations in Parallel FEM Simulations on Unstructured Grids, PPAM 2011, Part II, LNCS 7204, pp. 211-220.
  14. N. Kosturski, S. Margenov, Y. Vutov: Comparison of Two Techniques for Radio-frequency Hepatic Tumor Ablation through Numerical Simulation, AMiTaNS'11 Proceedings, AIP CP vol. 1404, pp. 431-437.
  15. N. Kosturski, S. Margenov, Y. Vutov: Improving the Efficiency of Parallel FEM Simulations on Voxel Domains, Large-Scale Scientific Computations 2011, LNCS 7116, pp. 574-581.
  16. N. Kosturski, S. Margenov: Supercomputer Simulation of Radio-Frequency Hepatic Tumor Ablation, AMiTaNS'10 Proceedings, AIP CP vol. 1301, pp. 486-493.
  17. N. Kosturski, S. Margenov: Numerical Homogenization of Bone Microstructure, Large-Scale Scientific Computations 2009, Springer LNCS 5910, pp. 140-147.
  18. S. Margenov, N. Kosturski: MIC(0) preconditioning of 3D FEM problems on unstructured grids: Conforming and non-conforming elements, Journal of Computational and Applied Mathematics (2008), pp. 288-297.
  19. K. Georgiev, N. Kosturski, S. Margenov, J. Starý: On adaptive time stepping for large-scale parabolic problems: Computer simulation of heat and mass transfer in vacuum freeze-drying, Journal of Computational and Applied Mathematics (2008), pp. 268-274.
  20. N. Kosturski: MIC(0)-DD Preconditioning of FEM Elasticity Systems on Unstructured Tetrahedral Grids, Large-Scale Scientific Computations 2007, Springer LNCS 4818, pp. 688-695.
  21. K. Georgiev, N. Kosturski, I. Lirkov, and S. Margenov: On the computer simulation of heat and mass transfer in vacuum freeze-drying, Proceedings of the IMCSIT 2007, M. Ganzha, M. Paprzycki, T. Pełech-Pilichowski eds., 2007, pp. 493-502.
  22. K. Georgiev, N. Kosturski, S. Margenov: On the numerical solution of the heat transfer equation in the process of freeze-drying. Some preliminary results, Large-Scale Scientific Computations 2007, Springer LNCS 4818, pp. 410-416.
  23. N. Kosturski, S. Margenov: MIC(0) Preconditioning of Conforming and Non-conforming FEM Problems on Unstructured Grids, Proceedings of SIMONA 2006, M. Hokr ed., Technical University of Liberec, 2006, pp. 78-87.
  24. N. Kosturski, S. Margenov: Comparative Analysis of Mesh Generators and MIC(0) Preconditioning of FEM Elasticity Systems, Numerical Methods and Applications 2006, Springer LNCS 4310, pp. 74-81.
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