World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
34
Citations
6973
World Ranking
11984
National Ranking
4893

Robert D. Falgout publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Robert D. Falgout sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 116 publications — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Robert D. Falgout D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Robert D. Falgout sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 34 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Overview

Robert D. Falgout is affiliated with Lawrence Livermore National Laboratory in the United States. Their research spans the fields of Engineering and Computer Science, with a particular focus on Computational Mechanics, Numerical Analysis, Computer Networks and Communications, Computational Theory and Mathematics, and Hardware and Architecture.

The primary topics of Robert D. Falgout's work include:

  • Advanced Numerical Methods in Computational Mathematics
  • Numerical methods for differential equations
  • Computational Fluid Dynamics and Aerodynamics
  • Matrix Theory and Algorithms
  • Parallel Computing and Optimization Techniques
  • Advanced Data Storage Technologies
  • Electromagnetic Simulation and Numerical Methods

They have contributed to multiple publications, including recent papers such as:

  • Provably optimal parallel transport sweeps on semi-structured grids, 2020, Journal of Computational Physics
  • Optimizing multigrid reduction-in-time and Parareal coarse-grid operators for linear advection, 2021, Numerical Linear Algebra with Applications
  • Preparing sparse solvers for exascale computing, 2020, Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences
  • Porting hypre to heterogeneous computer architectures: Strategies and experiences, 2021, Parallel Computing
  • A space-time parallel algorithm with adaptive mesh refinement for computational fluid dynamics, 2020, Computing and Visualization in Science

Frequent co-authors collaborating with Robert D. Falgout include:

  • Jacob B. Schroder
  • Hans De Sterck
  • Oliver A. Krzysik
  • Ulrike Meier Yang
  • Joshua Christopher

Their work is commonly published in venues such as:

  • arXiv (Cornell University)
  • SIAM Journal on Scientific Computing
  • Numerical Linear Algebra with Applications
  • Journal of Computational Physics
  • Parallel Computing

Best Publications

  • hypre: A Library of High Performance Preconditioners

    Robert D. Falgout;Ulrike Meier Yang

  • A parallel multigrid preconditioned conjugate gradient algorithm for groundwater flow simulations

    Steven F. Ashby;Robert D. Falgout

  • An Introduction to Algebraic Multigrid Computing

    R.D. Falgout

  • The Design and Implementation of hypre, a Library of Parallel High Performance Preconditioners

    Robert D. Falgout;Jim E. Jones;Ulrike Meier Yang

  • Algebraic Multigrid Based on Element Interpolation (AMGe)

    M. Brezina;A. J. Cleary;R. D. Falgout;V. E. Henson

  • Parallel Time Integration with Multigrid

    Robert D. Falgout;Stephanie Friedhoff;Tzanio V. Kolev;Scott P. MacLachlan

  • Scaling Hypre's Multigrid Solvers to 100, 000 Cores.

    Allison H. Baker;Robert D. Falgout;Tzanio V. Kolev;Ulrike Meier Yang

  • Robustness and Scalability of Algebraic Multigrid

    Andrew J. Cleary;Robert D. Falgout;Van Emden Henson;Jim E. Jones

  • On Generalizing the Algebraic Multigrid Framework

    Robert D. Falgout;Panayot S. Vassilevski

  • Adaptive Algebraic Multigrid

    M. Brezina;R. Falgout;S. MacLachlanT. Manteuffel;S. McCormick

  • Semicoarsening Multigrid on Distributed Memory Machines

    Peter N. Brown;Robert D. Falgout;Jim E. Jones

  • Multigrid Smoothers for Ultraparallel Computing

    Allison H. Baker;Robert D. Falgout;Tzanio V. Kolev;Ulrike Meier Yang

  • Adaptive Smoothed Aggregation ($lpha$SA) Multigrid

    M. Brezina;R. Falgout;S. MacLachlan;T. Manteuffel

  • A Survey of Parallelization Techniques for Multigrid Solvers.

    Edmond Chow;Robert D. Falgout;Jonathan J. Hu;Raymond S. Tuminaro

  • Multigrid Smoothers for Ultra-Parallel Computing

    A H Baker;R D Falgout;T Kolev;U M Yang

  • On two‐grid convergence estimates

    Robert D. Falgout;Panayot S. Vassilevski;Ludmil Tomov Zikatanov

  • Spectral AMGe ($ ho$AMGe)

    T. Chartier;R. D. Falgout;V. E. Henson;J. Jones

  • Coarse-Grid Selection for Parallel Algebraic Multigrid

    Andrew J. Cleary;Robert D. Falgout;Van Enden Henson;Jim E. Jones

  • Distance‐two interpolation for parallel algebraic multigrid

    Hans De Sterck;Robert D. Falgout;Joshua W. Nolting;Ulrike Meier Yang

  • Adaptive Smoothed Aggregation ($lpha$SA)

    M. Brezina;R. Falgout;S. MacLachlan;T. Manteuffel

  • Applied Mathematics Research for Exascale Computing

    J Dongarra;J Hittinger;J Bell;L Chacon

  • Modeling groundwater flow and contaminant transport

    William J. Bosl;Steven F. Ashby;Chuck Balwin;Robert D. Falgout

Frequent Co-Authors

Thomas A. Manteuffel
Thomas A. Manteuffel University of Colorado Boulder
Stephen F. McCormick
Stephen F. McCormick University of Colorado Boulder
Zhiqiang Cai
Zhiqiang Cai Purdue University West Lafayette
Martin Schulz
Martin Schulz Technical University of Munich
Panayot S. Vassilevski
Panayot S. Vassilevski Lawrence Livermore National Laboratory
Peter Brown
Peter Brown University of Oxford
William Gropp
William Gropp University of Illinois at Urbana-Champaign
Anthony Skjellum
Anthony Skjellum University of Tennessee at Chattanooga
Jack Dongarra
Jack Dongarra University of Tennessee at Knoxville
Barry Smith
Barry Smith Argonne National Laboratory

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