Svetozar Margenov

Orcid: 0000-0001-8858-831X

Affiliations:
  • Center for Informatics and Computer Technology, Sofia, Bulgaria


According to our database1, Svetozar Margenov authored at least 93 papers between 1987 and 2023.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

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Bibliography

2023
Study of Sparsification Schemes for the FEM Stiffness Matrix of Fractional Diffusion Problems.
Proceedings of the Large-Scale Scientific Computations - 14th International Conference, 2023

Parametric Analysis of Space-Time Fractional Pennes Bioheat Model Using a Collocation Method Based on Radial Basis Functions and Chebyshev Polynomials.
Proceedings of the Large-Scale Scientific Computations - 14th International Conference, 2023

2022
On the Application of a Hierarchically Semi-separable Compression for Space-Fractional Parabolic Problems with Varying Time Steps.
Proceedings of the Numerical Methods and Applications - 10th International Conference, 2022

2021
Neumann fractional diffusion problems: BURA solution methods and algorithms.
Math. Comput. Simul., 2021

Performance Study of Hierarchical Semi-separable Compression Solver for Parabolic Problems with Space-Fractional Diffusion.
Proceedings of the Large-Scale Scientific Computing - 13th International Conference, 2021

Reduced Sum Implementation of the BURA Method for Spectral Fractional Diffusion Problems.
Proceedings of the Large-Scale Scientific Computing - 13th International Conference, 2021

2020
Analysis of numerical methods for spectral fractional elliptic equations based on the best uniform rational approximation.
J. Comput. Phys., 2020

A Survey on Numerical Methods for Spectral Space-Fractional Diffusion Problems.
CoRR, 2020

Spectral Fractional Laplacian with Inhomogeneous Dirichlet Data: Questions, Problems, Solutions.
CoRR, 2020

Numerical solution of fractional diffusion-reaction problems based on BURA.
Comput. Math. Appl., 2020

2019
The Best Uniform Rational Approximation: Applications to Solving Equations Involving Fractional powers of Elliptic Operators.
CoRR, 2019

Scalability analysis of different parallel solvers for 3D fractional power diffusion problems.
Concurr. Comput. Pract. Exp., 2019


2018
Optimal solvers for linear systems with fractional powers of sparse SPD matrices.
Numer. Linear Algebra Appl., 2018

Analysis of Hierarchical Compression Parallel Solver for BEM Problems on Intel Xeon CPUs.
Proceedings of the Numerical Methods and Applications - 9th International Conference, 2018

2017
Numerical algorithms for scientific and engineering applications.
J. Comput. Appl. Math., 2017

Numerical methods and parallel algorithms for computation of periodic responses of plates.
J. Comput. Appl. Math., 2017

Volume constrained 2-phase segmentation method utilizing a linear system solver based on the best uniform polynomial approximation of x<sup>-1/2</sup>.
J. Comput. Appl. Math., 2017

Parallel solvers for fractional power diffusion problems.
Concurr. Comput. Pract. Exp., 2017

A Comparison of Accuracy and Efficiency of Parallel Solvers for Fractional Power Diffusion Problems.
Proceedings of the Parallel Processing and Applied Mathematics, 2017

Performance Analysis of MG Preconditioning on Intel Xeon Phi: Towards Scalability for Extreme Scale Problems with Fractional Laplacians.
Proceedings of the Large-Scale Scientific Computing - 11th International Conference, 2017

2016
Preconditioning Heterogeneous H(div) Problems by Additive Schur Complement Approximation and Applications.
SIAM J. Sci. Comput., 2016

Scalable parallel implementation of shooting method for large-scale dynamical systems. Application to bridge components.
J. Comput. Appl. Math., 2016

2015
Applications for ultrascale computing.
Supercomput. Front. Innov., 2015

Auxiliary space multigrid method based on additive Schur complement approximation.
Numer. Linear Algebra Appl., 2015

An analytical coarse grid operator applied to a multiscale multigrid method.
J. Comput. Appl. Math., 2015

Scalability of Shooting Method for Nonlinear Dynamical Systems.
Proceedings of the Large-Scale Scientific Computing - 10th International Conference, 2015

Performance Analysis of Block AMG Preconditioning of Poroelasticity Equations.
Proceedings of the Large-Scale Scientific Computing - 10th International Conference, 2015

Thermoelectrical Tick Removal Process Modeling.
Proceedings of the Large-Scale Scientific Computing - 10th International Conference, 2015

Fast Constrained Image Segmentation Using Optimal Spanning Trees.
Proceedings of the Large-Scale Scientific Computing - 10th International Conference, 2015

Space discretization by B-Splines on discontinuous problems in structural mechanics.
Proceedings of the 7th Balkan Conference on Informatics Conference, 2015

2014
Robust multilevel methods for quadratic finite element anisotropic elliptic problems.
Numer. Linear Algebra Appl., 2014

Numerical computation of periodic responses of nonlinear large-scale systems by shooting method.
Comput. Math. Appl., 2014

Semi-coarsening AMLI preconditioning of anisotropic trilinear FEM systems.
Comput. Math. Appl., 2014

Isogeometric Analysis for Nonlinear Dynamics of Timoshenko Beams.
Proceedings of the Numerical Methods and Applications - 8th International Conference, 2014

Numerical Homogenization of Epoxy-Clay Composite Materials.
Proceedings of the Numerical Methods and Applications - 8th International Conference, 2014

2013
Multiscale Domain Decomposition Preconditioners for Anisotropic High-Contrast Problems.
Proceedings of the Domain Decomposition Methods in Science and Engineering XX, 2013

Nonlinear Forced Vibration Analysis of Elastic Structures by Using Parallel Solvers for Large-Scale Systems.
Proceedings of the Large-Scale Scientific Computing - 9th International Conference, 2013

Numerical Homogenization of Heterogeneous Anisotropic Linear Elastic Materials.
Proceedings of the Large-Scale Scientific Computing - 9th International Conference, 2013

Calibration of Parameters for Radio-Frequency Ablation Simulation.
Proceedings of the Large-Scale Scientific Computing - 9th International Conference, 2013

Parallel algorithms for adaptive time-stepping in radiofrequency liver ablation simulation: implementation on an IBM Blue Gene/P computer.
Proceedings of the Position Papers of the 2013 Federated Conference on Computer Science and Information Systems, 2013

2012
Multilevel preconditioning of graph-Laplacians: Polynomial approximation of the pivot blocks inverses.
Math. Comput. Simul., 2012

Robust Two-level Domain Decomposition Preconditioners for High-contrast Anisotropic Flows in Multiscale Media.
Comput. Methods Appl. Math., 2012

2011
Balancing the Communications and Computations in Parallel FEM Simulations on Unstructured Grids.
Proceedings of the Parallel Processing and Applied Mathematics, 2011

On the Robustness of Two-Level Preconditioners for Quadratic FE Orthotropic Elliptic Problems.
Proceedings of the Large-Scale Scientific Computing - 8th International Conference, 2011

Improving the Efficiency of Parallel FEM Simulations on Voxel Domains.
Proceedings of the Large-Scale Scientific Computing - 8th International Conference, 2011

2010
Special Issue on Advanced Computational Algorithms: Introduction.
J. Comput. Appl. Math., 2010

Robust AMLI methods for parabolic Crouzeix-Raviart FEM systems.
J. Comput. Appl. Math., 2010

Finite Volume Discretization of Equations Describing Nonlinear Diffusion in Li-Ion Batteries.
Proceedings of the Numerical Methods and Applications - 7th International Conference, 2010

Analysis of the CBS Constant for Quadratic Finite Elements.
Proceedings of the Numerical Methods and Applications - 7th International Conference, 2010

2009
Parallel MIC(0) Preconditioning for Numerical Upscaling of Anisotropic Linear Elastic Materials.
Proceedings of the Large-Scale Scientific Computing, 7th International Conference, 2009

Numerical Homogenization of Bone Microstructure.
Proceedings of the Large-Scale Scientific Computing, 7th International Conference, 2009

Multilevel Preconditioning of Crouzeix-Raviart 3D Pure Displacement Elasticity Problems.
Proceedings of the Large-Scale Scientific Computing, 7th International Conference, 2009

Numerical Study of AMLI Methods for Weighted Graph-Laplacians.
Proceedings of the Large-Scale Scientific Computing, 7th International Conference, 2009

2008
On the multilevel preconditioning of Crouzeix-Raviart elliptic problems.
Numer. Linear Algebra Appl., 2008

Multilevel algorithms for Rannacher-Turek finite element approximation of 3D elliptic problems.
Computing, 2008

Multilevel preconditioning of rotated bilinear non-conforming FEM problems.
Comput. Math. Appl., 2008

Parallel MIC(0) preconditioning of 3D elliptic problems discretized by Rannacher-Turek finite elements.
Comput. Math. Appl., 2008

Multilevel Splitting of Weighted Graph-Laplacian Arising in Non-conforming Mixed FEM Elliptic Problems.
Proceedings of the Numerical Analysis and Its Applications, 4th International Conference, 2008

2007
On a MIC(0) preconditioning of non-conforming mixed FEM elliptic problems.
Math. Comput. Simul., 2007

CBS constants for multilevel splitting of graph-Laplacian and application to preconditioning of discontinuous Galerkin systems.
J. Complex., 2007

Agents as Resource Brokers in Grids - Forming Agent Teams.
Proceedings of the Large-Scale Scientific Computing, 6th International Conference, 2007

On the Numerical Solution of the Heat Transfer Equation in the Process of Freeze Drying.
Proceedings of the Large-Scale Scientific Computing, 6th International Conference, 2007

Multilevel Preconditioning of Rotated Trilinear Non-conforming Finite Element Problems.
Proceedings of the Large-Scale Scientific Computing, 6th International Conference, 2007

2006
Generalized Aggregation-Based Multilevel Preconditioning of Crouzeix-Raviart FEM Elliptic Problems.
Proceedings of the Numerical Methods and Applications, 6th International Conference, 2006

Comparative Analysis of Mesh Generators and MIC(0) Preconditioning of FEM Elasticity Systems.
Proceedings of the Numerical Methods and Applications, 6th International Conference, 2006

Multilevel Preconditioning of 2D Rannacher-Turek FE Problems; Additive and Multiplicative Methods.
Proceedings of the Numerical Methods and Applications, 6th International Conference, 2006

Benchmarking Performance of an MPI-based Solver for 3D Elasticity Problems.
Proceedings of the 2006 IEEE John Vincent Atanasoff International Symposium on Modern Computing (JVA2006), 2006

2005
Robust optimal multilevel preconditioners for non-conforming finite element systems.
Numer. Linear Algebra Appl., 2005

Parallel PCG Solver for Nonconforming FE Problems: Overlapping of Communications and Computations.
Proceedings of the Large-Scale Scientific Computing, 5th International Conference, 2005

2004
Uniform estimate of the constant in the strengthened CBS inequality for anisotropic non-conforming FEM systems.
Numer. Linear Algebra Appl., 2004

Aggregation-Based Multilevel Preconditioning of Non-conforming FEM Elasticity Problems.
Proceedings of the Applied Parallel Computing, 2004

2003
Two-Level Preconditioning of Crouzeix-Raviart Anisotropic FEM Systems.
Proceedings of the Large-Scale Scientific Computing, 4th International Conference, 2003

2002
On a Two-Level Parallel MIC(0) Preconditioning of Crouzeix-Raviart Non-conforming FEM Systems.
Proceedings of the Numerical Methods and Applications, 5th International Conference, 2002

2001
MIC(0) Preconditioning of Rotated Trilinear FEM Elliptic Systems.
Proceedings of the Large-Scale Scientific Computing, Third International Conference, 2001

2000
Parallel Performance of a 3D Elliptic Solver.
Proceedings of the Numerical Analysis and Its Applications, 2000

AMLI Preconditioning of Pure Displacement Non-conforming Elasticity FEM Systems.
Proceedings of the Numerical Analysis and Its Applications, 2000

1999
Two-level preconditioning of pure displacement non-conforming FEM systems.
Numer. Linear Algebra Appl., 1999

Parallel Conjugate Gradient Method with Circulant Block-Factorization Preconditioners for 3D Elliptic Problems.
Proceedings of the Ninth SIAM Conference on Parallel Processing for Scientific Computing, 1999

1998
Semi-coarsening AMLI algorithms for elasticity problems.
Numer. Linear Algebra Appl., 1998

An Introduction to Distributed Algorithms [Book Review].
IEEE Concurr., 1998

1997
Performance of Block-ILU Factorization Preconditioners Based on Block-Size Reduction for 2D Elasticity Systems.
SIAM J. Sci. Comput., 1997

Circulant Block-Factorization Preconditioning of Anisotropic Elliptic Problems.
Computing, 1997

Algebraic Two-Level Preconditioning of Non-Conforming FEM Systems.
Proceedings of the Large-Scale Scientific Computation for Engineering and Environmental Problems, 1997

A Shared Memory Parallel Implementation of Block-Circulant Preconditioners.
Proceedings of the Large-Scale Scientific Computation for Engineering and Environmental Problems, 1997

BSR BILU Preconditioning for 3D Simulation of Pile Foundation Systems in Nonlinear Media.
Proceedings of the Large-Scale Scientific Computation for Engineering and Environmental Problems, 1997

1996
Parallel Complexity of Conjugate Gradient Method with Circulant Preconditioners.
Proceedings of the Parcella 1996, 1996

Displacement Decomposition Circulant Preconditioners for Almost Incompressible 2D Elasticity Systems.
Proceedings of the Numerical Analysis and Its Applications, First International Workshop, 1996

1995
Optimal algebraic multilevel preconditioning for local refinement along a line.
Numer. Linear Algebra Appl., 1995

1994
Algebraic Multilevel Preconditioning of Anisotropic Elliptic Problems.
SIAM J. Sci. Comput., 1994

Upper bound of the constant in the strengthened C.B.S. inequality for FEM 2D elasticity equations.
Numer. Linear Algebra Appl., 1994

Circulant block-factorization preconditioners for elliptic problems.
Computing, 1994

1987
Solving Elliptic Problems by the Domain Decomposition Method Using Proconditioning Matrices Derived by Multilevel Splitting of the Finite Element Matrix.
Proceedings of the Supercomputing, 1987


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