CURRICULUM VITAE

PERSONAL RECORD

Full Name: Svetozar Dimitrov Margenov
Date of Birth: 19 August 1953
Nationality: Bulgarian

Addresses:

Office	Home
Acad. G. Bonchev Str., bl. 25A	"Slatina", bl. 2/A/8
1113 Sofia, Bulgaria	1574 Sofia, Bulgaria
Phone:(+359-2) 979 6612
Fax:(+359-2) 8 707 273
E-mail: margenov@parallel.bas.bg

Education:

1978 - M. Sc., Faculty of Mathematics and Mechanics, Sofia University

Degrees:

1981 - Researcher III, Center for Transport Cybernetics
1983 - Researcher II, Center for Transport Cybernetics
1984 - Ph. D. - Bulgarian Academy of Science
1985 - Researcher I, Center for Transport Cybernetics
1990 - Assoc. Prof., Center for Inf. &Comp. Comp. Techn.
2002 - D.Sc. - Bulgarian Academy of Science
2003 - Professor, Institute for Parallel Processing

Fields of Research

Large-Scale Scientific Computing and Parallel Algorithms.
Numerical Methods for Partial Differential Equations (Finite Difference Schemes and Finite Element Method).
Computational Linear Algebra (Iterative Methods and Algorithms, Preconditioning, Sparse Matrices).
Large-Scale Computing of Environmental Problems.

Memberships in Professional Organizations:

Union of the Bulgarian Mathematicians
Union of the Bulgarian Scientists
American Mathematical Society

Languages:

English
Russian

LIST OF RECENT PUBLICATIONS:
Journal Papers:

S. Margenov, J. Maubach, Optimal algebraic multilevel preconditioning for local refinement along a line, Numerical Linear Algebra with Applications, 2 (1995), 317-334
R.E. Ewing, O.P. Iliev, S.D. Margenov, P.S. Vassilevski, Numerical study of three multilevel preconditioners for solving 2D Navier - Stokes equations, Comput. Methods Appl. Mech. Engrg., 121 (1995), 177 - 186
R. Ewing, S. Margenov, P. Vassilevski, {\it Preconditioning the biharmonic equation by multilevel iterations}, Mathematika Balcanica, 10 (1996), 121-132
I. Lirkov, S. Margenov, L. Zikatanov, Circulant block--factorization preconditioning of anisotropic problems, Computing, 58(3) (1997), 245-258
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
S. Margenov, Semicoarsening AMLI algorithms for elasticity problems, Numerical Linear Algebra with Applications, 5 (1998), 347 - 362
A. Georgiev, S. Margenov, M. Neytcheva, Multilevel algorithms for 3D simulation of nonlinear elasticity problems, Mathematics and Computers in Simulation, 50 (1999), 175-182
I. Lirkov, S. Margenov, MPI parallel implementation of CBF preconditioning for 3D elasticity problems, Mathematics and Computers in Simulation, 50 (1999), 247-254
T. Kolev, S. Margenov, Two-level preconditioning of pure displacement non-conforming FEM systems, Numerical Linear Algebra with Applications, 6 (1999), 533-555
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
G. Bencheva, S. Margenov, Parallel incomplete factorization preconditioning of rotated linear FEM systems, Journal of Computational and Applied Mechanics, V.4(2) (2003), 105-117
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.
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
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

Conference Proceedings Papers and Reports:

S. Margenov, L. Xanthis, L. Zikatanov, On the optimality of the semicoarsening AMLI algorithm, Iterative Methods in Linear Algebra, II, IMACS Series in Computational and Applied Mathematics, New Jersey, USA, Vol.3(1996), 270-279
S. Margenov, Semicoarsening AMLI algorithms for elasticity problems, AMLI'96, Proceedings of the Conference on Algebraic Multilevel Iteration Methods with Applications, KUN, The Netherlands, Vol.2(1996),179-194
I. Lirkov, S. Margenov, Parallel complexity of conjugate gradient method with circulant preconditioners, PARCELLA'96, Academie Verlag, Mathematical Research, Vol.96(1996), 279-292
I. Lirkov, S. Margenov, Displacement decomposition circulant preconditioners for almost incompressible 2d elasticity systems, LNCS 1196, Numerical Analysis and its Applications, Springer Verlag (1997), 292-299
A. Georgiev, S. Margenov, P.S. Vassilevski, L. Zikatanov, Applications of the block-size reduction BILU algorithm for 3D simulation of pile foundations, Geomechanics 96, Z. Rakovski ed., Balcemma, Rotherdam (1997), 153-158
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, M. Griebel, O. Iliev, S. Margenov, P.S. Vassilevski, eds., Notes on Numerical Fluid Mechanics, V 62, VIEWEG(1998), 319-328
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, M. Griebel, O. Iliev, S. Margenov, P.S. Vassilevski, eds., Notes on Numerical Fluid Mechanics, V 62, VIEWEG(1998), 219-228
S. Margenov, P.S. Vassilevski, Algebraic two-level preconditioning of non-conforming FEM systems, Large-Scale Scientific Computations of Engineering and Environmental Problems, M. Griebel, O. Iliev, S. Margenov, P.S. Vassilevski, eds., Notes on Numerical Fluid Mechanics, V 62, VIEWEG (1998), 239-248
T. Kolev, S. Margenov, Two-level preconditioning of elasticity non-conforming FEM systems, Proceedings of IMMB'98, O. Axelsson, M. Neytcheva, B. Polman, eds., KUN, The Netherlands (1998), 79-84
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
I. Lirkov, S. Margenov, Parallel complexity of conjugate gradient method with circulant block-factorization preconditioners for 3D elliptic problems, Recent advances in numerical methods and applications, O. Iliev, M. Kaschiev, S. Margenov, Bl. Sendov, P. Vassilevski, eds., World scientific, Singapore (1999), 455-463
T. Kolev, S. Margenov, Multilevel HB preconditioning of non-conforming FEM systems, Recent advances in numerical methods and applications, O. Iliev, M. Kaschiev, S. Margenov, Bl. Sendov, P. Vassilevski, eds., World scientific, Singapore (1999), 603-610
I. Lirkov, S. Margenov, M. Paprzycki, Benchmarking performance of parallel computers using a 2D elliptic solver, Recent advances in numerical methods and applications, O. Iliev, M. Kaschiev, S. Margenov, Bl. Sendov, P. Vassilevski, eds., World scientific, Singapore (1999), 464-472
I. Lirkov, S. Margenov, M. Paprzycki, J. McLaughlin, 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, B. Hendrickson et. al. (eds.), SIAM, Philadelphia (1999)
O. Axelsson, S. Margenov, An optimal order multilevel preconditioner with respect to problem and discretization parameters, Department of Mathematics, University of Nijmegen, The Netherlands, Report No. 0015, 2000
T. Kolev, S. Margenov, AMLI preconditioning of non-conforming elasticity FEM systems, Proceedings of the Second Conference on Numerical Analysis and Applications, 2000, LNCS, Springer, V. 1988 (2001), 482-489
R. Lazarov, S. Margenov, On two-level MIC(0) preconditioning of Crouzeix-Raviart nonconforming FEM systems, Springer Lecture Notes in Computer Science, Vol. 2542 (2003), 192-201
P. Arbenz, S. Margenov, Parallel MIC(0) preconditioning of 3D nonconforming FEM systems, Iterative Methods, Preconditionig and Numerical PDEs, Proceedings (2004), 12-15

Edited Volumes:

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), pp. 493
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), pp. 357
O. Iliev, M. Kaschiev, S. Margenov, Bl. Sendov, P. Vassilevski, eds., Recent Advances in Numerical Methods and Applications II, World scientific, Singapore (1999), pp. 904
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), pp. 421
S. Margenov, J. Wasniewski, P. Yalamov (Eds.), Large-Scale Scientific Computing, Springer Lecture Notes in Computer Science, Vol. 2179 (2002), pp. 498
I. Dimov, I. Lirkov, S. Margenov, Z. Zlatev (Eds.), Numerical Methods and Applications, Springer Lecture Notes in Computer Science, Vol. 2542 (2003), pp. 574
I. Lirkov, S. Margenov, J. Wasniewski, P. Yalamov (Eds.), Large-Scale Scientific Computing, Springer Lecture Notes in Computer Science, Vol. 2907 (2004), pp. 504