World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
62
Citations
13746
World Ranking
482
National Ranking
251

Olof B. Widlund 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 Olof B. Widlund 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: 83 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: 180 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Olof B. Widlund 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 Olof B. Widlund 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: 138 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: 62 D-Index — 87th percentile

87% 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

  • 2019 - Fellow of the American Mathematical Society For contributions to numerical analysis of domain decompositions within computational mathematics and for incubation through his writing and mentorship of a broad international, creative community of practice applied to highly resolved systems simulations.
  • 2010 - SIAM Fellow For contributions to the theory of domain decomposition methods.

Overview

Olof B. Widlund is affiliated with the Courant Institute of Mathematical Sciences in the United States. Their research primarily spans the fields of Engineering and Computer Science, with specific contributions to computational mechanics, numerical analysis, and computational theory and mathematics. The scientist's work emphasizes advanced numerical methods and analysis techniques as applied to engineering problems.

Their main research topics include:

  • Advanced Numerical Methods in Computational Mathematics
  • Advanced Numerical Analysis Techniques
  • Numerical methods in engineering
  • Polynomial and algebraic computation
  • Advanced Mathematical Modeling in Engineering
  • Electromagnetic Simulation and Numerical Methods
  • Matrix Theory and Algorithms

Widlund has published in several prominent venues, including:

  • SIAM Journal on Scientific Computing
  • Mathematics of Computation
  • Contemporary Mathematics - American Mathematical Society

Recent significant papers authored or coauthored by Widlund are:

  • "Adaptive GDSW Coarse Spaces of Reduced Dimension for Overlapping Schwarz Methods" (2022), SIAM Journal on Scientific Computing
  • "Block FETI-DP/BDDC Preconditioners for Mixed Isogeometric Discretizations of Three-Dimensional Almost Incompressible Elasticity" (2021), Mathematics of Computation
  • "BDDC Domain Decomposition Algorithms" (2020), Contemporary Mathematics - American Mathematical Society
  • "BDDC Deluxe Algorithms for Two-Dimensional H($curl$) Isogeometric Analysis" (2022), SIAM Journal on Scientific Computing

Frequent coauthors collaborating with Widlund have included:

  • Simone Scacchi
  • Luca F. Pavarino
  • Stefano Zampini
  • Alexander Heinlein
  • Axel Klawonn

The scientist's work is associated with numerically intensive methods in computational mechanics and domain decomposition techniques, which are reflected in their publication record and collaborations. Their contributions have also been recognized through awards such as:

  • Fellow of the American Mathematical Society (2019) for contributions to numerical analysis of domain decompositions and mentorship within the computational mathematics community
  • SIAM Fellow (2010) for contributions to the theory of domain decomposition methods

Best Publications

  • Domain decomposition methods : algorithms and theory

    Andrea Toselli;Olof B. Widlund

  • Iterative Methods for the Solution of Elliptic Problems on Regions Partitioned Into Substructures

    Petter E Bjorstad;Olof B Widlund

  • Schwarz analysis of iterative substructuring algorithms for elliptic problems in three dimensions

    Maksymilian Dryja;Barry F. Smith;Olof B. Widlund

  • Dual-Primal FETI Methods for Three-dimensional Elliptic Problems with Heterogeneous Coefficients

    Axel Klawonn;Olof B. Widlund;Maksymilian Dryja

  • Domain decomposition algorithms with small overlap

    Maksymilian Dryja;Olof B. Widlund

  • An Additive Variant of the Schwarz Alternating Method for the Case of Many Subregions

    Olof Widlund;M Dryja

  • FETI and Neumann--Neumann Iterative Substructuring Methods: Connections and New Results

    A. Klawonn;O. Widlund

  • Multilevel Schwarz Methods for Elliptic Problems with Discontinuous Coefficients in Three Dimensions

    M. Dryja;M. Sarkis;O. Widlund

  • Dual‐primal FETI methods for linear elasticity

    Axel Klawonn;Olof B. Widlund

  • Towards a unified theory of domain decomposition algorithms for elliptic problems

    Olof Widlund;Maksymilian Dryja

  • FETI‐DP, BDDC, and block Cholesky methods

    Jing Li;Olof B. Widlund

  • Iterative solution of elliptic systems : and applications to the neutron diffusion equations of reactor physics

    Olof Widlund;Eugene L. Wachspress

  • A Lanczos Method for a Class of Nonsymmetric Systems of Linear Equations

    Olof Widlund

  • Schwarz Methods of Neumann-Neumann Type for Three-Dimensional Elliptic Finite Element Problems

    M. Dryja;O. Widlund

  • Domain Decomposition Algorithms for Indefinite Elliptic Problems

    Xiao-Chuan Cai;Olof B. Widlund

  • Some domain decomposition algorithms for elliptic problems

    M. Dryja;Olof B. Widlund

  • Domain Decomposition Methods

    Tony F. Chan;Roland Glowinski;Jacques Periaux

  • On the Numerical Solution of Helmholtz's Equation by the Capacitance Matrix Method

    Wlodzimierz Proskurowski;Olof Widlund

  • Domain Decomposition Methods in Science and Engineering

    Alfio Quarteroni;Jacques Périaux;Yuri A. Kuznetsov;Olof B. Widlund

  • Balancing Neumann-Neumann Methods for Incompressible Stokes Equations

    Luca Pavarino;Olof Widlund

  • ITERATIVE SUBSTRUCTURING ALGORITHMS FOR ELLIPTIC PROBLEMS IN THREE DIMENSIONS

    Barry F. SMITHt;Olof B. Widlund

Frequent Co-Authors

Luca F. Pavarino
Luca F. Pavarino University of Pavia
David E. Keyes
David E. Keyes King Abdullah University of Science and Technology
Xiao-Chuan Cai
Xiao-Chuan Cai University of Colorado Boulder
Barry Smith
Barry Smith Argonne National Laboratory
Barbara Wohlmuth
Barbara Wohlmuth Technical University of Munich
Jinchao Xu
Jinchao Xu Pennsylvania State University
Martin J. Gander
Martin J. Gander University of Geneva
Yvon Maday
Yvon Maday Sorbonne University
Ulrich Langer
Ulrich Langer Johannes Kepler University of Linz
Dianne P. O'Leary
Dianne P. O'Leary University of Maryland, College Park

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