Research Papers of Daniel B. Szyld

(last dozen years or so).

In this page, papers by subject. There is another page with papers in chronological order. Complete list of publications can be found in the CV (Temple format)

1. Krylov subpace iterative methods for linear systems
2. Schwarz methods and domain decomposition
3. Asynchornous parallell methods for linear and nonlinear systems
4. Singular linear systems and Markov chains
5. Reordering techniques to improve the solution of linear systems
6. Other iterative methods for linear systems, including splittings and their properties
7. Matrix properties and applications
8. Eigenvalue problems
9. Other papers


1. Krylov subpace iterative methods for linear systems

Xiuhong Du, Eldad Haber, Maria Karampataki, and Daniel B. Szyld, Varying Iteration Accuracy Using Inexact Conjugate Gradients in Control Problems governed by PDE's , Research Report 08-06-27, Department of Mathematics, Temple University, June 2008. Bibtex

Xiuhng Du and Daniel B. Szyld, Inexact GMRES for singular linear systems, Research Report 07-09-18, Department of Mathematics, Temple University, September 2007. To appear in BIT Numerical Mathematics. Bibtex

Valeria Simoncini and Daniel B. Szyld, New conditions for non-stagnation of minimal residual methods , Numerische Mathematik, vol. 109 (2008) pp. 477-487. Bibtex

Xiuhng Du and Daniel B. Szyld, On mesh independence of Convergence Bounds for Additive Schwarz Preconditioned GMRES Research Report 07-01-23, Department of Mathematics, Temple University, January 2007. To appear in revised form in Numerical Linear Algebra with Applications. Bibtex

Marcus Sarkis and and Daniel B. Szyld, Optimal Left and Right Additive Schwarz Preconditioning for Minimal Residual Methods with Euclidean and Energy Norms , Computer Methods in Applied Mechanics and Engineering, vol. 196 (2007) pp. 1612-1621. Bibtex

Valeria Simoncini and Daniel B. Szyld, Recent computational developments in Krylov Subspace Methods for linear systems , Numerical Linear Algebra with Applications, vol. 14 (2007) pp. 1-59. Bibtex

Valeria Simoncini and Daniel B. Szyld, Relaxed Krylov Subspace Approximation, PAMM: Proceedings of Applied Mathematics and Mechanics, vol. 5 (2005) pp. 797--800. Bibtex

Valeria Simoncini and Daniel B. Szyld, The effect of non-optimal bases on the convergence of Krylov Subspace Methods , (Research Report June 2004, revised December 2004). Numerische Mathematik, vol. 100 (2005) pp. 711-733. Journal version. Bibtex

Valeria Simoncini and Daniel B. Szyld, On the Occurrence of Superlinear Convergence of Exact and Inexact Krylov Subspace Methods, SIAM Review, vol. 47 (2005) pp. 247-272. Bibtex

Valeria Simoncini and Daniel B. Szyld, Theory of Inexact Krylov Subspace Methods and Applications to Scientific Computing, in SIAM Journal on Scientific Computing, vol. 25 (2003), pp. 454-477. Bibtex

Valeria Simoncini and Daniel B. Szyld, Flexible Inner-Outer Krylov Subspace Methods, SIAM Journal on Numerical Analysis, vol. 40 (2003), pp. 2219-2239. Bibtex

Daniel B. Szyld and Judith A. Vogel, A Flexible Quasi-Minimal Residual Method with Inexact Preconditioning , SIAM Journal on Scientific Computing, vol. 23 (2001) pp. 363-380. Bibtex

2. Schwarz methods and domain decomposition

Sébastien Loisel and Daniel B. Szyld, On the convergence of Algebraic Optimizable Schwarz Methods with applications to elliptic problems, Research Report 07-11-16, Department of Mathematics, Temple University, November 2007. Bibtex

Sébastien Loisel, Reinhard Nabben, and Daniel B. Szyld, On hybrid multigrid-Schwarz algorithms, Research Report 07-08-28, Department of Mathematics, Temple University, August 2007. To appear in Journal of Scientific Computing. Bibtex

Xiuhng Du and Daniel B. Szyld, On mesh independence of Convergence Bounds for Additive Schwarz Preconditioned GMRES Research Report 07-01-23, Department of Mathematics, Temple University, January 2007. To appear in revised form in Numerical Linear Algebra with Applications. Bibtex

Marcus Sarkis and and Daniel B. Szyld, Optimal Left and Right Additive Schwarz Preconditioning for Minimal Residual Methods with Euclidean and Energy Norms , Computer Methods in Applied Mechanics and Engineering, vol. 196 (2007) pp. 1612-1621. Bibtex

Josep Arnal, Violeta Migallón, José Penadés, and Daniel B. Szyld, Newton Additive and Multiplicative Schwarz Iterative Methods , Research Report 05-12-20, Department of Mathematics, Temple University, December 2005 (revised December 2006). To appear in IMA Journal of Numerical Analysis. Bibtex

Reinhard Nabben and Daniel B. Szyld, Schwarz iterations for symmetric positive semidefinite problems , SIAM Journal on Matrix Analysis and Applications. vol. 29 (2006) pp. 98-116. Bibtex

Marcus Sarkis and and Daniel B. Szyld, A Proposal for a Dynamically Adapted Inexact Additive Schwarz Preconditioner, (April 2005) to appear in Domain Decomposition Methods in Science and Engineering XVI , Olof Widlund and David Keyes (eds.) Lecture Notes in Computational Science and Engineering, vol. 55, Springer, 2006, pp. 341-345. Bibtex

Rafael Bru, Francisco Pedroche, and Daniel B. Szyld, Additive Schwarz Iterations for Markov Chains , SIAM Journal on Matrix Analysis and Applications, vol. 27 (2005) pp. 445-458. Bibtex

Rafael Bru, Francisco Pedroche, and Daniel B. Szyld, Overlapping Additive and Multiplicative Schwarz Iterations for H-matrices, Linear Algebra and its Applications, vol. 393 (2004), pp. 91-105. Bibtex

Ivo Marek and Daniel B. Szyld, Algebraic Schwarz Methods for the Numerical Solution of Markov Chains, Linear Algebra and its Applications, vol. 386 (2004), pp. 67-81. Bibtex

Reinhard Nabben and Daniel B. Szyld, Convergence theory of restricted multiplicative Schwarz methods, SIAM Journal on Numerical Analysis, vol. 40 (2003), pp. 2318-2336. Bibtex

Andreas Frommer and Daniel B. Szyld, An Algebraic Convergence Theory for Restricted Additive Schwarz Methods Using Weighted Max Norms, SIAM Journal on Numerical Analysis, vol. 39 (2001) pp. 463-479. Bibtex

Michele Benzi, Andreas Frommer, Reinhard Nabben, and Daniel B. Szyld, Algebraic Theory of Multiplicative Schwarz Methods, Numerische Mathematik, vol. 89 (2001) pp. 605-639. Bibtex

Andreas Frommer and Daniel B. Szyld, Weighted Max Norms, Splittings, and Overlapping Additive Schwarz Iterations, Numerische Mathematik vol. 83 (1999) 259-278. Bibtex

Andreas Frommer, Hartmut Schwandt and Daniel B. Szyld, Asynchronous Weighted Additive Schwarz Methods, Electronic Transaction on Numerical Analysis, vol. 5 (1997) 48-61. Bibtex

3. Asynchornous parallell methods for linear and nonlinear systems

Giorgos Kollias, Efstratios Gallopoulos, and Daniel B. Szyld. Asynchronous iterative computations with Web information retrieval structures: The PageRank case. Parallel Computing: Current and Future Issues of High-End Computing (Proceedings of the International Conference Parco05), G.R. Joubert, W.E. Nagel, F.J. Peters, O. Plata, P. Tirado, E. Zapata, eds., John von Neumann-Institut for Computing (NIC), Julich, Germany, NIC Series Volume 33 (ISBN 3-00-017352-8), pages 309-316, 2006. Bibtex

Daniel B. Szyld, Perspectives on Asynchronous Computations for Fluid Flow Problems, Proceedings of the First M.I.T. Conference on Computational Fluid and Solid Mechanics held on June 12 - 14, 2001: Computational Fluid and Solid Mechanics, K.J.Bathe, ed. Elsevier, 2001, pp 977-980. Bibtex

Daniel B. Szyld and Jian-Jun Xu, Convergence of Some Asynchronous Nonlinear Multisplitting Methods , Numerical Algorithms , vol. 25 (2000) pp. 347-361. Bibtex

Andreas Frommer and Daniel B. Szyld, On Asynchronous Iterations, Journal of Computational and Applied Mathematics , vol. 23 (2000), pp. 201-216. Bibtex

Daniel B. Szyld, The Mystery of Asynchronous Iterations Convergence when the Spectral Radius is One, Research Report 98-102, Department of Mathematics, Temple University, October 1998. Bibtex

Andreas Frommer and Daniel B. Szyld, Asynchronous Iterations with Flexible Communication for Linear Systems, Calculateurs Parallèles, Réseaux et Systèmes Répartis, vol. 10 (1998) 421-429. Bibtex

Daniel B. Szyld, Different Models of Parallel Asynchronous Iterations with Overlapping Blocks, Computational and Applied Mathematics, vol. 17 (1998) 101-115. Bibtex

Zhong-Zhi Bai, Violeta Migallón, José Penadés and Daniel B. Szyld, Block and Asynchronous Two-stage Methods for Mildly Nonlinear Systems, Numerische Mathematik, vol. 82 (1999) 1-20. Bibtex

Kostas Blathras, Daniel B. Szyld and Yuan Shi, Timing Models and Local Stopping Criteria for Asynchronous Iterative Algortihms , Journal of Parallel and Distributed Computing, vol. 58 (1999) 446-465. Bibtex

Andreas Frommer, Hartmut Schwandt and Daniel B. Szyld, Asynchronous Weighted Additive Schwarz Methods, Electronic Transaction on Numerical Analysis, vol. 5 (1997) 48-61. Bibtex

4. Singular linear systems and Markov chains

Andreas Frommer, Reinhard Nabben, and Daniel B. Szyld, Convergence of Stationary Iterative Methods for Hermitian Semidefinite Linear Systems and Applications to Schwarz Methods , Research Report 08-01-21, Department of Mathematics, Temple University, January 2008 (Revised March 2008). To appear (in slightly revised form) in SIAM Journal on Matrix Analysis and Applications. Bibtex

David Fritzsche, Volker Mehrmann , Daniel B. Szyld, and Elena Virnik, An SVD approach to identifying meta-stable states of Markov chains, Electronic Transactions on Numerical Analysis (ETNA), vol. 29 (2008) pp. 46-69. Bibtex

Giorgos Kollias, Efstratios Gallopoulos, and Daniel B. Szyld. Asynchronous iterative computations with Web information retrieval structures: The PageRank case. Parallel Computing: Current and Future Issues of High-End Computing (Proceedings of the International Conference Parco05), G.R. Joubert, W.E. Nagel, F.J. Peters, O. Plata, P. Tirado, E. Zapata, eds., John von Neumann-Institut for Computing (NIC), Julich, Germany, NIC Series Volume 33 (ISBN 3-00-017352-8), pages 309-316, 2006. Bibtex

Rafael Bru, Francisco Pedroche, and Daniel B. Szyld, Cálculo del Vector PageRank de Google Mediante el método Iterativo de Schwarz (Computation of Google's PageRank Vector with the Schwarz Iterative Method, in Spanish). In Congreso de Métodos Numéricos en Ingeniería 2005. (Proceedings of the Congress on Numerical Methodos in Engeneering, Granada, Spain, July 2005) J.L. Pérez Aparicio et al. (eds.) pp. 263-270. Bibtex

Rafael Bru, Francisco Pedroche, and Daniel B. Szyld, Additive Schwarz Iterations for Markov Chains , SIAM Journal on Matrix Analysis and Applications, vol. 27 (2005) pp. 445-458. Bibtex

Ivo Marek and Daniel B. Szyld, Algebraic Schwarz Methods for the Numerical Solution of Markov Chains, Linear Algebra and its Applications, vol. 386 (2004), pp. 67-81. Bibtex

Daniel B. Szyld and Ivo Marek, Comparison of Convergence of General Stationary Iterative Methods for Singular Matrices, SIAM Journal on Matrix Analysis and Applications, vol. 24 (2002) pp. 68-77. Bibtex

Daniel B. Szyld and Ivo Marek, Comparison Theorems for the Convergence Factor of Iterative Methods for Singular Matrices, Linear Algebra and its Applications, vol. 316 (2000) 67-87. Bibtex

Violeta Migallón, José Penadés and Daniel B. Szyld, Experimental Study of Parallel Iterative Solutions of Markov Chains with Block Partitions, Research Report 99-2-10, Department of Mathematics, Temple University, Febrauary 1999. Appeared (in revised form) in Numerical Solutions of Markov Chains (NSMC'99), Brigitte Plateau, William J. Stewart, and Manuel Silva, eds., Prensas Universitarias de Zaragoza, 1999, pp. 96-110. Bibtex

Michele Benzi and Daniel B. Szyld, Existence and Uniqueness of Splittings for Stationary Iterative Methods with Applications to Alternating Methods, Numerische Mathematik vol. 76 (1997) 309-321. Bibtex

Hwajeong Choi and Daniel B. Szyld, Application of Threshold Partitioning of Sparse Matrices to Markov Chains, Proceedings of the IEEE International Computer Performance and Dependability Symposium IPDS'96, pages 158-165, September 1996. Bibtex

Violeta Migallón, José Penadés and Daniel B. Szyld, Block Two-stage Methods for Singular Systems and Markov Chains, Research Report 95-121, Department of Mathematics, Temple University, December 1995. This paper appeared, in revised form, in Numerical Linear Algebra with Applications, vol. 3 (1996) 413-426. Bibtex

5. Reordering techniques to improve the solution of linear systems

David Fritzsche, Andreas Frommer, and Daniel B. Szyld, Extensions of Certain Graph-based Algorithms or Preconditioning , Research Report 06-05-29, Department of Mathematics, Temple University, May 2006 (revised Jaunuary 2007). To appear in SIAM Journal on Scientific Computing. Bibtex

Michele Benzi, Daniel B. Szyld, and Arno van Duin, Orderings for Incomplete Factorization Preconditioning of Nonsymmetric Problems, SIAM Journal on Scientific Computing vol. 20 (1999) 1652-1670. Bibtex

Michele Benzi, Hwajeong Choi and Daniel B. Szyld, Threshold Ordering for Preconditioning Nonsymmetric Problems, Scientific Computing, Proceedings of the Workshop, 10--12 March 1997, Hong Kong, Springer, Singapore, 1997. pages 159-165. Bibtex

Hwajeong Choi and Daniel B. Szyld, Application of Threshold Partitioning of Sparse Matrices to Markov Chains, Proceedings of the IEEE International Computer Performance and Dependability Symposium IPDS'96, pages 158-165, September 1996. Bibtex

6. Other iterative methods for linear systems, including splittings and their properties

Andreas Frommer, Reinhard Nabben, and Daniel B. Szyld, Convergence of Stationary Iterative Methods for Hermitian Semidefinite Linear Systems and Applications to Schwarz Methods , Research Report 08-01-21, Department of Mathematics, Temple University, January 2008 (Revised March 2008). To appear (in slightly revised form) in SIAM Journal on Matrix Analysis and Applications. Bibtex

Ludwig Elsner, Andreas Frommer, Reinhard Nabben, Hans Schneider, and Daniel B. Szyld, Conditions for strict inequality in comparisons of spectral radii of splittings of different matrices, Linear Algebra and its Applications, vol. 363 (2003) pp. 65-80. Bibtex

Violeta Migallón, José Penadés, and Daniel B. Szyld, Nonstationary Multisplittings with General Weighting Matrices, SIAM Journal on Matrix Analysis and Applications, vol. 22 (2001) pp. 1089-1094. Bibtex

Michele Benzi and Daniel B. Szyld, Existence and Uniqueness of Splittings for Stationary Iterative Methods with Applications to Alternating Methods, Numerische Mathematik, vol. 76 (1997) 309-321. Bibtex

7. Matrix properties and applications

Abed Elhashash and Daniel B. Szyld, Generalizations of M-matrices which may not have a nonnegative inverse, Research Report 07-08-17, Department of Mathematics, Temple University, August 2007. To appear in Linear Algebra and its Applications. Bibtex

Abed Elhashash and Daniel B. Szyld, Perron-Frobenius Properties of General Matrices, Research Report 07-01-10, Department of Mathematics, Temple University, January 2007. Bibtex

Rafael Bru, Francisco Pedroche, and Daniel B. Szyld, Subdirect Sums of S-Strictly Diagonally Dominant Matrices, Electronic Journal of Linear Algebra (ELA)
, vol. 15 (2006) pp. 201-209. Bibtex

Daniel B. Szyld, The Many Proofs of an Identity on the Norm of Oblique Projections , Numerical Algorithms, vol. 42 (2006) pp. 309-323. Bibtex

Rafael Bru, Francisco Pedroche, and Daniel B. Szyld, Subdirect sums of nonsingular M-matrices and of their inverses , Electronic Journal of Linear Algebra (ELA), vol. 13 (July 2005) pp. 162-174. Bibtex

8. Eigenvalue problems

links to be posted.

9. Other papers

Other Papers.

Work on many of these papers was supported in part by the Department of Energy, and by the National Science Foundation.

Back to Szyld's home page.

Last updated: 27 June 2008