World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
39
Citations
6209
World Ranking
2209
National Ranking
931

Daniel B. Szyld publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Daniel B. Szyld sits on this spectrum.

42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 82 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientists 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientists 522–526 publications: 3 scientists 527–531 publications: 1 scientists 532–536 publications: 4 scientists 537+ publications: 100 scientists
42 publications 537+

This scientist: 160 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

Daniel B. Szyld D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Daniel B. Szyld sits on this spectrum.

30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 137 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 39 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

Research.com Recognitions

  • 2017 - Fellow of the American Mathematical Society For contributions to numerical and applied linear algebra.
  • 2017 - SIAM Fellow For contributions to numerical algebra and matrix theory.

Overview

Daniel B. Szyld is affiliated with Temple University in the United States. Their research encompasses several fields including Computer Science, Engineering, and Mathematics, with a particular focus on Computational Theory and Mathematics, Numerical Analysis, and Computational Mechanics. Additional areas of study include Artificial Intelligence and Atomic and Molecular Physics, and Optics.

The scientist's work covers a range of topics such as Matrix Theory and Algorithms, Advanced Numerical Methods in Computational Mathematics, Numerical methods for differential equations, Stochastic Gradient Optimization Techniques, Electromagnetic Scattering and Analysis, Model Reduction and Neural Networks, and Advanced Optimization Algorithms Research.

Frequently publishing in venues such as arXiv (Cornell University), ETNA - Electronic Transactions on Numerical Analysis, Numerical Algorithms, SIAM Journal on Matrix Analysis and Applications, and SIAM Journal on Scientific Computing, Daniel B. Szyld has contributed to both journals and book publications. Their book work includes titles published by the American Mathematical Society and the Society for Industrial and Applied Mathematics.

  • Block Krylov Subspace Methods for Functions of Matrices II: Modified Block FOM (2020) - SIAM Journal on Matrix Analysis and Applications
  • Scalable Asynchronous Domain Decomposition Solvers (2020) - SIAM Journal on Scientific Computing
  • On Non-Hermitian Positive (Semi)Definite Linear Algebraic Systems Arising from Dissipative Hamiltonian DAEs (2022) - SIAM Journal on Scientific Computing
  • Asynchronous Richardson iterations: theory and practice (2020) - Numerical Algorithms
  • Asynchronous domain decomposition methods for nonlinear PDEs (2022) - ETNA - Electronic Transactions on Numerical Analysis

  • Isaac Klapper
  • Erik G. Boman
  • Kai Zhao
  • Andreas Frommer
  • Andrew J. Higgins

  • arXiv (Cornell University)
  • ETNA - Electronic Transactions on Numerical Analysis
  • Numerical Algorithms
  • SIAM Journal on Matrix Analysis and Applications
  • SIAM Journal on Scientific Computing

  • 75 Years of Mathematics of Computation (American Mathematical Society, 2020)
  • Metabolic Networks, Elementary Flux Modes, and Polyhedral Cones (Society for Industrial and Applied Mathematics, 2021)

Daniel B. Szyld has been recognized as a Fellow of the Society for Industrial and Applied Mathematics and the American Mathematical Society, both honors awarded in 2017. The SIAM Fellowship cited contributions to numerical algebra and matrix theory, while the AMS Fellowship recognized contributions to numerical and applied linear algebra.

Best Publications

  • RECENT COMPUTATIONAL DEVELOPMENTS IN KRYLOV SUBSPACE METHODS FOR LINEAR SYSTEMS

    Valeria Simoncini;Daniel B. Szyld

  • H-Splittings and two-stage iterative methods

    Andreas Frommer;Daniel B. Szyld

  • Theory of Inexact Krylov Subspace Methods and Applications to Scientific Computing

    Valeria Simoncini;Daniel B. Szyld

  • On asynchronous iterations

    Andreas Frommer;Daniel B. Szyld

  • Orderings for Incomplete Factorization Preconditioning of Nonsymmetric Problems

    Michele Benzi;Daniel B. Szyld;Arno van Duin

  • Flexible Inner-Outer Krylov Subspace Methods

    Valeria Simoncini;Daniel B. Szyld

  • A DYNAMIC INPUT-OUTPUT MODEL WITH ASSURED POSITIVE OUTPUT(*)

    F. Duchin;D. B. Szyld

  • The many proofs of an identity on the norm of oblique projections

    Daniel B. Szyld

  • Convergence of nested classical iterative methods for linear systems

    Paul J. Lanzkron;Donald J. Rose;Daniel B. Szyld

  • Weighted max norms, splittings, and overlapping additive Schwarz iterations

    Andreas Frommer;Daniel B. Szyld

  • PARALLEL, SYNCHRONOUS AND ASYNCHRONOUS TWO-STAGE MULTISPLITTING METHODS

    Rafael Bru;Violeta Migallón;José Penadés;Daniel B. Szyld

  • Existence and uniqueness of splittings for stationary iterative methods with applications to alternating methods

    Michele Benzi;Daniel B. Szyld

  • Two-stage and multisplitting methods for the parallel solution of linear systems

    Daniel B. Szyld;Mark T. Jones

  • An Algebraic Convergence Theory for Restricted Additive Schwarz Methods Using Weighted Max Norms

    Andreas Frommer;Daniel B. Szyld

  • Asynchronous two-stage iterative methods

    Andreas Frommer;Daniel B. Szyld

  • Comparison theorems for weak splittings of bounded operators

    Ivo Marek;Daniel B. Szyld

  • Algebraic theory of multiplicative Schwarz methods

    Michele Benzi;Andreas Frommer;Reinhard Nabben;Daniel B. Szyld

  • On the Occurrence of Superlinear Convergence of Exact and Inexact Krylov Subspace Methods

    Valeria Simoncini;Daniel B. Szyld

  • ASYNCHRONOUS WEIGHTED ADDITIVE SCHWARZ METHODS

    Andreas Frommer;Hartmut Schwandt;Daniel B. Szyld;Fachbereich Mathematik

  • On two numerical methods for the solution of large-scale algebraic Riccati equations

    Valeria Simoncini;Daniel B. Szyld;Marlliny Monsalve

  • A block ordering method for sparse matrices

    James O'Neil;Daniel B. Szyld

Frequent Co-Authors

Andreas Frommer
Andreas Frommer University of Wuppertal
Valeria Simoncini
Valeria Simoncini University of Bologna
Michele Benzi
Michele Benzi Scuola Normale Superiore di Pisa
Heinrich M. Jaeger
Heinrich M. Jaeger University of Chicago
Martin J. Gander
Martin J. Gander University of Geneva
Peter K. Kitanidis
Peter K. Kitanidis Stanford University
Longin Jan Latecki
Longin Jan Latecki Temple University
Jack Dongarra
Jack Dongarra University of Tennessee at Knoxville
Wassily Leontief
Wassily Leontief Harvard University
Susanne C. Brenner
Susanne C. Brenner Louisiana State University

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