CURRICULUM VITAE

Bulgarian 
                           PERSONAL RECORD
  • Full Name: Svetozar Dimitrov Margenov 
  • Date of Birth: 19 August 1953 
  • Nationality: Bulgarian 
Education:
Degrees:
Fields of Research
Memberships in Professional Organizations:

Editorial Boards of Scientific Journals:

Numerical Linear Algebra with Applications (NLAA)

Scalable Computing: Practice and Experience (SCPE)

International Journal of Numerical Analysis and Modeling, Series B

Languages:
LIST OF RECENT PUBLICATIONS: 
  1. Monographs
  1. J. Kraus, S. Margenov, Robust Algebraic Multilevel Methods and Algorithms, Radon Series on Computational and Applied Mathematics, 5, de Gruyter, 2009, 246 p.
  2. S. Margenov, Numerical Methods for Systems with Sparse Matrices}, Institute for Parallel Processing, Bulgarian Academy of Sciences, 2007, 155 p. (in Bulgarian)
  1. Edited Volumes
  1. I. Lirkov, S. Margenov, J. Wasniewski (Eds), Large-Scale Scientific Computing 2009, Springer LNCS 5910, 2010, 830 p.
  2. S. Margenov, L. Vulkov, J. Wasniewski (Eds), Numerical Analysis and Its Applications 2008, Springer LNCS 5434, 636 ,.
  3. I. Lirkov, S. Margenov, J. Wasniewski (Eds), Large-Scale Scientific Computing 2007, Springer LNCS 4818, 2008, 755 p.
  4. I. Lirkov, S. Margenov, J. Wasniewski (Eds), Large-Scale Scientific Computing 2005, Springer LNCS 3743, 2006, 703 p.
  5. I. Lirkov, S. Margenov, J. Wasniewski, P. Yalamov (Eds.), Large-Scale Scientific Computing, Springer Lecture Notes in Computer Science, Vol. 2907, 2004, 504 p.
  6. I. Dimov, I. Lirkov, S. Margenov, Z. Zlatev (Eds.), Numerical Methods and Applications, Springer Lecture Notes in Computer Science, Vol. 2542, 2003, 574 p.
  7. S. Margenov, J. Wasniewski, P. Yalamov (Eds.), Large-Scale Scientific Computing}, Springer Lecture Notes in Computer Science, Vol. 2179, 2002, 498 p.
  8. M. Griebel, S. Margenov, P. Yalamov (Eds.), Large-Scale Scientific Computations of Engineering and Environmental Problems II, Notes on Numerical Fluid Mechanics, V 73, VIEWEG, 2000, 421 p.
  9. O. Iliev, M. Kaschiev, S. Margenov, Bl. Sendov, P. Vassilevski (Eds.), Recent Advances in Numerical Methods and Applications II, World Scientific, Singapore, 1999, 907 p.
  10. M. Griebel, O. Iliev, S. Margenov, P.S. Vassilevski (Eds.), Large-Scale Scientific Computations of Engineering and Environmental Problems, Notes on Numerical Fluid Mechanics, V 62, VIEWEG, 1998, 356 p.
  11. S. Margenov, P.S. Vassilevski (Eds.), Iterative Methods in Linear Algebra,II, IMACS Series in Computational and Applied Mathematics, New Jersey, USA, Vol.3, 1996, 493 p.
  1. Edited Special Issues
  1. I. Farago, A. Havasi, S. Margenov, Z. Zlatev (Eds.), Advanced Computational Algorithms, Specia Issue of Journal of Computational and Applied Mathematics, Vol. 235, 2010
  2. O. Kounchev, S. Margenov (Eds.), DE Methods in Applied Mathematics and Immage Processing, Specia Issue of Mathematica Balkanica, Vol. 20, 2006
  1. Journal Papers

2010

  1. P. Boyanova, S. Margenov, M. Neytcheva, Robust AMLI Methods for Time-dependent FEM Systems, J. Comp. Appl. Math. (2010), 380-390
  2. P. Boyanova, S. Margenov, On Multilevel Iterative Methods for Navier-Stokes Problems, Journal of Theoretical and Applied Mechanics, vol. 40, No. 1, vol. 40 (2010), 51-60
  3. P. Boyanova, S. Margenov, Robust Multilevel Methods for Elliptic and Parabolic Problems, invited chapter in: O. Axelsson, J. Karatson, Efficient preconditioning methods for elliptic partial differential equations, Bentham Science Publishers, to appear, 23 p.

2009

  1. S. Margenov, N. Kosturski, MIC(0) preconditioning of 3D FEM problems on unstructured grids: conforming and non-conforming elements, Journal of Computational and Appliedš Mathematics, 226 (2009), 288-297
  2. I. Georgiev, J. Kraus, S. Margenov, J. Schicho, Loacally optimized MIC(0) preconditioning of Rannacher-Turek FEM systems, Applied Numerical Mathematics, 59 (2009), 2402 - 2415
  3. I. Georgiev, J. Kraus, S. Margenov, J. Schicho, Loacally optimized MIC(0) preconditioning of Rannacher-Turek FEM systems, Applied Numerical Mathematics, 59 (2009), 2402 - 2415

2008

  1. J. Kraus, S. Margenov and J. Synka, Onš the multilevel preconditioning of Crouzeix-Raviart elliptic problems} Numerical Linear Algebra with Applications, 15 (2008), 395-416
  2. P. Arbenz, S. Margenov, Y. Vutov, Parallel MIC(0) preconditioning of 3D elliptic problems discretized by Rannacher-Turek finite elements, Computers and Mathematics with Applications, 55 (10) (2008), 2197-2211
  3. I. Georgiev, J. Kraus,š S. Margenov, Multilevel preconditioning of rotated bilinear non-conforming FEM problems, Computers and Mathematics with Applications, 55 (10) (2008), 2280-2294
  4. W. Kuranowski, M. Ganzha, M. Gawinecki, M. Paprzycki, I. Lirkov, S. Margenov, Forming and managing agent teams acting as resource brokers in the Grid-preliminary considerations, International Journal of Computational Intelligence Research, 4 (1) (2008), 9-16
  5. W. Kuranowski, M. Ganzha, M. Gawinecki, M. Paprzycki, I. Lirkov, S. Margenov, Forming and managing agent teams acting as resource brokers in the Grid-preliminary considerations, International Journal of Computational Intelligence Research, 4 (1) (2008), 9-16
  6. I. Georgiev, J. Kraus, S. Margenov, Multilevel algoritms for Rannacher-Turek finite element approximation of 3D elliptic problems, Computing, 82(2008), 217-239

2007

  1. S. Margenov, Y. Vutov,š Preconditioning of Voxel FEM Elliptic Systems, TASK, Quaterly, 11, No 1-2 (2007), 117-128
  2. R.D. Lazarov, S.D. Margenov, CBS constants for multilevel splitting of graph-Laplacian and application to preconditioning of discontinuous Galerkin systems, Journal of Complexity, 23 (2007), 498-515
  3. S. Margenov, P. Minev, On a MIC(0) preconditioning of non-conforming mixed FEM elliptic problems, Mathematics and Computers in Simulation, 76 (2007), 149-154

2006

  1. I. Georgiev, S. Margenov, Element preconditioning technique for rotated bilinear FEM elliptic systems, Mathematica Balkanica, Vol. 20 (2006), 39-48
  2. I. Georgiev, J. Kraus,š S. Margenov, Two-level algorithms for Rannacher-Turek FEM, Problems in Programming, Sc. J., 2-3 (2006), 694-700

2005

  1. O. Axelsson, L. Laayouni, S. Margenov, Robust multilevel preconditionersfor second order elliptic equations and systems of equations, Mathematica Balkanica, Vol. 19 (2005), 321-348
  2. R. Blaheta, S. Margenov, M.Neytcheva, {\it Robust optimal multilevel preconditioners for non-conforming finite element systems}, Numerical Linear Algebra with Applications, 12 (2005), 495-514

2004

  1. G. Bencheva, S. Margenov, Performance analysis of parallel MIC(0)preconditioning of rotated bilinear nonconforming FEM systems, Mathematica Balkanica, Vol. 17 (3-4) (2003), 319-335
  2. R. Blaheta, S. Margenov, M.Neytcheva, Uniform estimate of the constant in the strengthened CBS inequality for anisotropic non-conforming FEM systems, Numerical Linear Algebra with Applications, Vol. 11 (4) (2004), 309-326
  3. I. Georgiev, S. Margenov, DD-MIC(0) preconditioning of rotated trilinear FEM elasticity systems, Journal of Computer Assisited Mechanics and Engineering Sciences, 11(2004), 197-209

2003

  1. O. Axelsson, S. Margenov, On multilevel preconditioners which are optimal with respect to both problem and discretization parameters, Computational Methods in Applied Mathematics, Vol. 3 (1) (2003),6-22
  2. G. Bencheva, S. Margenov, Parallel incomplete factorization špreconditioning of rotated linear FEM systems, Journal of Computational and Applied Mechanics, V.4(2) (2003), 105-117

2000

  1. Tz. Kolev, S. Margenov, Two-level preconditioning of pure displacementnon-conforming FEM systems}, Numerical Linear Algebra with Applications, 6 (1999), 533-555

1999

  1. A. Georgiev, S. Margenov, M. Neytcheva, Multilevel algorithms for 3D simulation of nonlinear elasticity problems, Mathematics and Computers in Simulation, 50 (1999), 175-182

1988

  1. S. Margenov, Semicoarsening AMLI algorithms for elasticity problems, Numerical Linear Aalgebra with Applications, 5 (1998), 347-362

1997

  1. I. Lirkov, S. Margenov, L. Zikatanov, Circulant block-factorization preconditioning of anisotropic problems,š Computing, Vol. 58(3) (1997), 245-258
  2. T. Chan, S. Margenov, P. Vassilevski, Performance of block-ILU factorization preconditioners based on block-size reduction for 2D elasticity systems, SIAM J. Sci. Comp., 18 (1997), 1355-1366

1996

  1. R. Ewing, S. Margenov, P. Vassilevski, Preconditioning the biharmonic equation by multilevel iterations,š Mathematika Balcanica, Vol.10(1996), 121-132

1995

  1. S. Margenov, J. Maubach, Optimal algebraic multilevel preconditioning for local refinement along a line, Numerical Linear Algebra with Applications, Vol.2, No.4 (1995), 317-334
  2. R.E. Ewing, O.P. Iliev, S.D. Margenov, P.S. Vassilevski, Numericalstudy of three multilevel preconditioners for solving 2D Navier-Stokes equations, Comput. Methods Appl. Mech. Engrg., 121 (1995), 177-186

1994

  1. S. Margenov, Upper bound of the constant in the strengthened C.B.S. inequality for FEM 2D elasticity equations, Numerical Linear Algebra with Applications, Vol. 1(1) (1994), 65-74
  2. I. Lirkov, S. Margenov, P.S. Vassilevski, Circulant block-factorization preconditioners for elliptic problems, Computing, Vol.53(1) (1994), 59-74
  3. S. Margenov, P.S. Vassilevski, Algebraic multilevel preconditioning of anisotropic elliptic problems, SIAM J. Sci. Comp., V.15(5) (1994), 1026-1037

1992

  1. K. Georgiev, S. Margenov, On domain decomposition preconditioning of plane elasticity problems, Mathematicaš Balkanica, Vol. 6 (2) (1992), 173-181
  2. K. Georgiev, S. Margenov, Onš theš domainš decompositionš methods for elliptic problems with discontinuesesš coefficients, Numerical Algorithms, Vol. 12 (1992), 281-292

1990

  1. V. Eijkhout, S. Margenov, Preconditioned iterative solution of spline finite element systems, Mathematica Balkanica, Vol.4 (1990), 350-367

1983

  1. N. Grozev, S. Margenov, Automaticš staticš solutionš ofš curvilinear shell bridge structures, Roads, Vol. 8, Sofia (1983), 16-18 (in Bulgarian)

1981

  1. S. Margenov, An application of parabolic and cubic splines to solution of mixed boundary value problems of fourth order on a rectangle, Serdica, Vol. 7, Sofia (1981), 211-216 (in Russian)

1980

  1. N. Grozev, S. Margenov, An application of parabolicš splinesš toš static solution of curvilinear bridge plates, Roads, Vol. 3, Sofia (1980), 8-10 (in Bulgarian)
  1. Papers in Special Volumes

2011

  1. N. Kosturski, S. Margenov, Radio-Frequency Hepatic Tumor Ablation, AMiTaNS'10 Proceedings, AIP CP 1301 (2011), 486-493
  2. P. Boyanova, S. Margenov, On Optimal AMLI Solvers for Incompressible Navier-Stokes Problems, AMiTaNS'10 Proceedings, AIP CP 1301 (2011), 457-467

2010

  1. P. Boyanova, S. Margenov, Numerical Study of AMLI Methods for Weighted Graph-Laplacians, Springer LNCS 5910 (2010), 84-91
  2. P. I. Georgiev, J. Kraus, S. Margenov, Multilevel Preconditioning of Crouzeix-Raviart 3D Pure Displacement Elasticity Problems, Springer LNCS 5910 (2010), 100-107
  3. N. Kosturski, S. Margenov, Numerical Homogenization of Bone Microstructure, Springer LNCS 5910 (2010), 93-98
  4. S. Margenov, Y. Vutov, Parallel MIC(0) Preconditioning for Numerical Upscaling of Anisotropic Linear Elastic Materials, Springer LNCS 5910 (2010), 805-812
  5. S. Margenov, Y. Vutov, Parallel MIC(0) Preconditioning for Numerical Upscaling of Anisotropic Linear Elastic Materials, Springer LNCS 5910 (2010), 805-812

2009

  1. P. Boyanova, S. Margenov, Multilevel Splitting of Weighted šGraph-Laplacian Arising in Non-conforming Mixed FEM Elliptic Problems, Numerical Analysis and Its Applications, Springer LNCS 5434 (2009), 216-223

2008

  1. I. Georgiev, J. Kraus, S. Margenov, Preconditioning of rotated trilinear non-conforming finite element problems, Springer LNCS 4818,(2008), 86-95
  2. W. Kuranowski, M. Paprzycki, M. Ganzha, M. Gawinecki, I. Lirkov, S. Margenov, Agents as resource brokers in Grids-forming agent teams, Springer LNCS 4818 (2008), 484-491
  3. K. Georgiev, N. Kosturski, S. Margenov, On the numerical solution of the heat transfer equation in the process of freeze drying, Springer LNCS 4818 (2008), 410-416

2007

  1. J. Kraus, S. Margenov, Multilevel methods for anisotropic elliptic problems, Lectures on Advanced Computational Methods in Mechanics, de Gruyter Radon Series on Computational and Applied Mathematics Vol. 1 (2007), 47-88
  2. S. Margenov, J. Synka, Generalized aggregation-based multilevel preconditioning of Crouzeix-Raviart FEM elliptic problems, Springer LNCS 4310 (2007), 91-99
  3. I. Georgiev, J. Kraus, S. Margenov, Multilevel preconditioning of š2D Rannacher-Turek FE problems; additive and multiplicative methods, Springer LNCS 4310 (2007), 56-64
  4. N. Kosturski, S. Margenov, Comparative analysis of mesh generators and MIC(0) preconditioning of FEM elasticity systems, Springer LNCS 4310 (2007), 74-81

2006

  1. R. Blaheta, S. Margenov, M. Neytcheva, Aggregation-based multilevel preconditioning of non-conforming FEM elasticity problems}, Springer LNCS 3732 (2006), 847-856
  2. G. Bencheva, S. Margenov, J. Stary, Parallel PCG solver for nonconforming FEM problems: overlapping of communications and compuations, Springer LNCS 3743 (2006), 646-654

2005

  1. K. Georgiev, S. Margenov, Higher order non-conforming FEM up-winding, Advances in Air Pollution Modelling for Environmental Security, Springer NATO Science Series IV, Vol. 54 (2005), 209-218
  2. K. Georgiev, S. Margenov, V.M. Veliov, Emission control in single species air pollution problems, Advances in Air Pollution Modelling for Environmental Security, Springer NATO Science Series IV, Vol. 54 (2005), 219-228

2004

  1. G. Bencheva, I. Georgiev and S. Margenov, Two-level preconditioning of Crouzeix-Raviart anisotropic FEM systems, Springer LNCS 907 (2004), 76-84

2003

  1. R. Lazarov, S. Margenov, two-level MIC(0) preconditioning of Crouzeix-Raviart nonconforming FEM systems, Springer LNCS 2542 (2003), 192-201

2001

  1. Tz. Kolev, S. Margenov, AMLI preconditionig of non-conforming elasticity FEM systems, Springer LNCS 1988 (2001),482-489
  2. I. Lirkov, S. Margenov, M. Paprzycki, Parallel performance of a 3D elliptic solver, Springer LNCS 1988 (2001), 535-543

1999

  1. I. Lirkov, S. Margenov, Parallel complexity of conjugate gradient method with circulant block-factorization preconditioners for 3D elliptic problems,š Recent advances in numerical methods and applications,š World scientific, Singapore (1999), 455-463
  2. Tz. Kolev, S. Margenov, Multilevel HB preconditioning of non-conforming FEM systems, Recent advances in numerical methods and applications, World scientific, Singapore (1999), 603-610
  3. I. Lirkov, S. Margenov, M. Paprzycki, Benchmarking performance of parallel šcomputers using a 2D elliptic solver, Recent advances in numerical methods and applications, World scientific, Singapore (1999), 464-472

1998

  1. I. Lirkov, S. Margenov, M. Paprzycki, R. Owens, A shared memory parallel implementation of block circulant preconditioners, Large-Scale Scientific Computations of Engineering and Environmental Problems, Notes on Numerical Fluid Mechanics, V 62, VIEWEG (1998), 319-328
  2. A. Georgiev, S. Margenov, BSR BILU preconditioning for 3D simulation of pile foundation systems in nonlinear media, Large-Scale Scientific Computations of Engineering and Environmental Problems, Notes on Numerical Fluid Mechanics, V 62, VIEWEG(1998), 219-228
  3. S. Margenov, P.S. Vassilevski, Algebraic two-level preconditioning of non-conforming FEM systems, Large-Scale Scientific Computations of Engineering and Environmental Problems, Notes on Numerical Fluid Mechanics, V 62, VIEWEG (1998), 239-248

1997

  1. I. Lirkov, S. Margenov, Displacement decomposition circulant preconditioners for almostš incompressible 2d elasticity systems, Springer LNCS 1196 (1997), 292-299

1996

  1. S. Margenov, L. Xanthis, L. Zikatanov, On the optimality of the semicoarsening AMLI algorithm, in Iterative Methods in Linear Algebra, II, IMACS Series in Computational and Applied Mathematics, New Jersey, USA, Vol.3(1996),š 270-27
  2. I. Lirkov, S. Margenov, Parallel complexity of conjugate gradient method with circulant preconditioners, PARCELLA'96, Academie Verlag, Mathematical Research, Vol.96(1996), 279-292

1992

  1. R. Ewing, O. Iliev, S. Margenov, P.S. Vassilevski, A multilevel technique for solving 2D unsteady Navier-Stokes equations}, Adaptive, Multilevel, and Hierarchical Computational Strategies, ed. A.K. Noor, AMD - Vol.157 (1992), 235-247
  1. Papers in Conference Proceedings
2011

  1. I. Georgiev, J. Kraus, M. Lymbery, S. Margenov, On Two-level Splittings for Quadratic FEM Anisotropic Elliptic Problems, Proceedings of 5th Annual meeting of the Bulgarian Section of SIAM, Demetra, Sofia (2011), 35-40
2010

  1. I. Georgiev, S. Margenov, Locally Optimized MIC(0) Preconditioning of Rotated Bilinear FEM Systems, Proceedings of 4th Annual Meeting of the Bulgarian Section of SIAM, Demetra, Sofia (2010), 34-38
  2. R. Sviercoski, S. Margenov, A Hybrid Multiscale Multigrid Approach by Incorporating Analytical Results, Proceedings of 4th Annual Meeting of the Bulgarian Section of SIAM, Demetra, Sofia (2010), 111-116
2009

  1. N. Kosturski, S. Margenov, Y. Vutov, N. Kosturski, S. Margenov, Y. Vutov, Efficient Solution of ?FEM Elasticity Problems in the case of Almost Incompressible Materials, Proceedings of 3rd Annual šMeeting of the Bulgarian Section of SIAM (2009), 65-68
  2. P. Boyanova, S. Margenov, On AMLI Preconditioning of Graph-Laplacians: Properties of the Two-Level Method, Proceedings of 3rd Annual Meeting of the Bulgarian Section of SIAM (2009), 19-22

2008

  1. K. Georgiev, N. Kosturski, S. Margenov, On the Adaptive Time-Stepping for Large Scale Parabolic Problems: Computer Simulation of Heat and Mass Transfer in Vacuum Freeze-Drying, Proceedings of 2nd Annual Meeting of the Bulgarian Section of SIAM (2008), C8-C11
  2. N. Kosturski, S. Margenov, MIC(0) Preconditioning of 3D FEM Problems on Unstructured Grids: Conforming and Nonconforming Elements, Proceedings of 2nd Annual Meeting of the Bulgarian Section of SIAMš (2008), C30-C33
  3. S. Margenov, Y. Vutov, Parallel PCG Algorithms for Voxel Elasticity Problems, Proceedings of 2nd Annual Meeting of the Bulgarian Section of SIAM (2008), C72-C7

2007

  1. K. Georgiev, I. Lirkov, N. Kosturski, S. Margenov, On the computer simulation of heat and mass transfer in vacuum freeze-drying, Proceedings of the International Multiconference on Computer Science and Information Technology, Wisla, Vol. 2 (2007), 493-502
  2. S. Margenov, Y. Vutov, Parallel PCG algorithms for voxel FEM elasticity šsystems, Proceedings of the International Multiconference on Computer Science and Information Technology, Wisla, Vol. 2 (2007), 379 - 385

2006

  1. N. Kosturski, S. Margenov, MIC(0) Preconditioning of Conforming and Non-conforming FEM Problems on Unstructured Grids, In: M. Hokr (edr),Proceedings of SIMONA 2006, Technical University of Liberec (2006), 78-87
  2. I. Lirkov, S. Margenov, M. Paprzicki, Benchmarking performance of an MPI-based solver for 3D elasticity problems}, IEEE JVA Int. Symp. On Modern Computing (2006), 260-265
  3. S. Margenov, Y. Vutov, Comparative analysis of PCG solvers for voxel FEM šsystems, Proceedings of the International Multiconference on Computer Science šand Information Technology, Wisla (2006), 591--598

2004

  1. P. Arbenz, S. Margenov, Parallel MIC(0) preconditioning of 3D nonconforming FEM systems, Iterative Methods, Preconditionig and Numerical PDEs, Proceedings (2004), 12-15

2000

  1. S. Margenov, Displacement doecomposition-MIC(0) preconditioning of linear elasticity non-conforming FEM problems, 16th IMACS World Congress 2000, Lausanne, Proceedings, (2000), 107-4
  2. S. Margenov, P. Popov, MIC(0) DD preconditioning of FEM elasticity problems on non-structured meshes, in: A. Handlovicova et. al. (eds.), Algoritmy 2000, Proceedings, 15th Conference on Scientific Computing, Vysoke Tatry, Slovakia (2000), 245-253

1999

  1. I. Lirkov, S. Margenov, Parallel complexity of conjugate gradient method with circulant block-factorization preconditioners for 3D elliptic problems, šin Recent advances in numerical methods and applications,š World scientific, Singapore (1999), 455-463
  2. Tz. Kolev, S. Margenov, Multilevel HB preconditioning of non-conforming FEM systems, in Recent advances in numerical methods and applications, World scientific, Singapore, (1999), 603-610.
  3. I. Lirkov, S. Margenov, M. Paprzycki, Benchmarking performance of parallel šcomputers using a 2D elliptic solver, in Recent advances in numerical methods and applications}, World scientific, Singapore, (1999), 464-472
  4. I. Lirkov, S. Margenov, M. Paprzycki, J. McLaughlin, Parallel Conjugate Gradient Method with Circulant Block-Factorization Preconditioners for 3D šElliptic Problems, in: B. Hendrickson et. al. (eds.), Proceedings of the šNinth SIAM Conference on Parallel Processing for Scientific Computing, SIAM, Philadelphia, (1999)

1988

  1. I. Lirkov, S. Margenov, M. Paprzycki, Parallel solution of 2D elliptic PDE's on Silicon Graphics supercomputers, Proceedings of the 10th IASTED International Conference on Parallel and Distributed Computing and Systems, Las Vegas, Nevada, IASTED Press, Calgary (1998), 575-580

1997

  1. I. Lirkov, S. Margenov, L. Zikatanov, Circulant block-factorization preconditioning of anisotropic problems,š Computing, Vol. 58(3) (1997), 245-258

1996

  1. S. Margenov, L. Xanthis, L. Zikatanov, On the optimality of the semicoarsening AMLI algorithm, in Iterative Methods in Linear Algebra, II, IMACS Series in Computational and Applied Mathematics, New Jersey, USA,Vol.3(1996),š 270-279
  2. I. Lirkov, S. Margenov, Parallel complexity of conjugate gradient method with circulant preconditioners, PARCELLA'96, Academie Verlag, Mathematical Research, Vol.96(1996), 279-292

1994

  1. S. Margenov, K. Georgiev, On efficient coupling of domain decomposition and pointwise newest vertex local refinement methods}, in Advancesš in Parallel Algorithms, I. Dimov, O. Tonev eds., IOS PRESS, Theš Netherlands(1994), 53-59
  2. I. Lirkov, S. Margenov, On circulant preconditioning of elliptic problems in L-shaped domains, in Advances in Numerical Methods and Applications, I. Dimov, Bl. Sendov, P.S. Vassilevski eds., World Scientific (1994), 136-145
  3. S. Margenov, L. Xanthis, On an iterative multilevel method of arbitrary lines, in:E.A. Lipitakis, ed., Proceedings of the Second Hellenic European Conference on Mathematics and Informatics HERMIS'94, (1994), 246-1037

1993

  1. I. Lirkov, S. Margenov, Preconditioned conjugate gradient iterative algorithms for transputer based systems, in Parallel and Distributed Processing, ed. K. Boyanov (1993), 406-415
  2. S. Margenov, P.S. Vassilevski, On optimality of multilevel iteration methods for anisotropic elliptic problems, in Scientific Computation and Mathematical Modelling, S.M. Markov ed. (1993), 77-80
  3. I. Lirkov, S. Margenov, Circulant preconditioning of second order up-wind approximation of advection problems, in Scientific Computation and Mathematical Modelling, S.M. Markov ed. (1993), 73-76

1991

  1. K. Georgiev, S. Margenov, On the communication costs of parallel solution of elliptic boundary value problems by domain decomposition method on a transputer system, in Parallel and Distributed Processing, North-Holland, K. Boyanovš Ed. (1991), 349-357

1989

  1. P.S. Vassilevski, R. Lazarov, S. Margenov, Vector and parallel algorithms in iteration methods for elliptic problems, Proceedings of 18th Annual Conference of the Union of the Bulgarian Mathematicians, Albena (1989), 40-51
  2. K. Georgiev, S. Margenov, BEM realization on a computing system including a systolic processor, 10th Symposiumš onš Algorithms, Proc. of Lectures, Stribske Pleso (1989), 91-93

1988

  1. S. Margenov, V. Eijkhout, Splines from $S_p \subset C^{p-1}$ (p=2,3) in FEM and Application of PCGM, Proc. of the 2d Int. Conf. Numerical Methods and Applications, Sofia (1988), 284-289.
  2. S. Margenov, P.S. Vassilevski, Numerical solution of partial differential equations. Two approaches to obtaining parallel algorithms, Proceedings of the 17th Annual Conference of the Union of the Bulgarianš Mathematicians, Slanchev Brjag (1988), 470-474 (in Bulgarian)
  3. S. Margenov, I. Jossifova, Boundary element method. A general approach to numerical calculation of a special class of curvilinear integrals, Proceedings of the 13th summer school on Application of Mathematics in Engineering, Varna (1988) (in Bulgarian)

1987

  1. R. Lazarov, P.S. Vassilevski, S. Margenov, Solving elliptic problems by the domain decomposition method using precondition matrices derived by multilevel splitting of finite element matrix}, Proceedings of the 1st Int. Conf. on Supercomputing, Greece (1987), 826-835
  2. S. Margenov, K. Georgiev, L. Hadjikov, M. Novakova, An effective approach for BEM application to friction contact problems, Proc. of the 9th Int. Conf.Boundary Elements, Vol. 2, W.Germany (1987), 439-445

1985

  1. L. Hadjikov, S. Margenov, E. Dimitrova, P. Bekyarova, Cubic spline boundary elements to solution of circular plates on elastic foundation, Proceedings of the 1st Int. Conf. Numerical Methods and Applications, Sofia (1985), 236-243 (in Russian)
  2. S. Margenov, An application of cubic spline macroelements to solution of boundary value problems of forth order, Proceedings of the 1st Int. Conf. Numerical Methods and Applications, Sofia (1985), 408-413 (in Russian)
  3. L. Hadjikov, S. Margenov, P. Bekyarova, Cubic spline BEM for circular shells, Proceedings of the 7th Int. Conf. BEM in Engineering, Vol. 1, Italy (1985), 93-102

1982

  1. N. Grozev, S. Margenov, A parametric model of shell stripsš withš variable curvature, Proceedings of the 8th Summer School on Application of Mathematics in Engineering, Varna (1982), 168-171
  2. S. Margenov, On approximation of Sobolev spacesš byš polynomialš splines. Error estimates, Proceedings of the 11th Annual Conference of the Union of the Bulgarian Mathematicians, Slanchev Brjag (1982), 207-210 (in Bulgarian)

1981

  1. N. Grozev, S. Margenov, Numerical solution of curvilinear orthotropic bridge shells by the FSM. Analysis of the accuracy, Proceedings of the 3th Summer School on Automation of the Production and the Management, Sofia (1981), 159-163

1980

  1. S. Margenov, Homogeneity of the spaces of polynomial splines, Proceedings of the 9th Annual Conference of the Union of the Bulgarianš Mathematicians, Slanchev Brjag (1980) (in Bulgarian)

1979

  1. S. Margenov, An applicationš ofš polynomialš splinesš toš FEMš solution of elastic plates, Proceedings of the 5th Summer School on Application of Mathematics in Engineering, Varna (1979), 76-79 (in Bulgarian)
Last Modified: August 2011