World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
44
Citations
7393
World Ranking
7617
National Ranking
3301

Ahmed Sameh 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 Ahmed Sameh 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: 191 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Ahmed Sameh 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 Ahmed Sameh 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: 44 D-Index — 48th percentile

48% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2012 - Fellow of the International Association for Computational Mechanics (IACM)
  • 2011 - SIAM Fellow For pioneering contributions to parallel algorithms for numerical linear algebra.
  • 1999 - ACM Fellow For leadership in education and research in parallel computing, and for pioneering contributions in mathematical software for parallel architectures.
  • 1993 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Ahmed Sameh is affiliated with Purdue University West Lafayette in the United States. Their research primarily spans the field of Computer Science, with focused contributions across several subfields including Computer Networks and Communications, Hardware and Architecture, Computational Theory and Mathematics, Statistical and Nonlinear Physics, and Computer Vision and Pattern Recognition.

Within these areas, the scientist has concentrated on topics such as Parallel Computing and Optimization Techniques, Matrix Theory and Algorithms, Complex Network Analysis Techniques, Opinion Dynamics and Social Influence, Peer-to-Peer Network Technologies, Cutaneous Melanoma Detection and Management, and the application of AI in cancer detection.

Their publication record includes papers in various venues with a focus on computational and network disciplines. Notable recent papers include: "Efficient algorithms based on centrality measures for identification of top-K influential users in social networks" (2020, Information Sciences), "A Feature-complete SPIKE Dense Banded Solver" (2020, ACM Transactions on Mathematical Software), "Adaptive Erasure Coded Fault Tolerant Linear System Solver" (2021, ACM Transactions on Parallel Computing), "SMARTPHONE PREVENTIVE CUSTOMIZED POWER SAVING MODES" (2023, Zenodo - CERN European Organization for Nuclear Research), and "Streamlining Video Summarization with NLP: Techniques, Implementation, and Future Direction" (2025, SN Computer Science).

Ahmed Sameh frequently collaborates with fellow researchers including Eric Polizzi, Braegan S. Spring, Xuejiao Kang, Ananth Grama, and Mohammed Alshahrani. Their work appears across diverse publication venues, notably arXiv (Cornell University), Information Sciences, ACM Transactions on Mathematical Software, ACM Transactions on Parallel Computing, and Zenodo (CERN European Organization for Nuclear Research).

Recognition of their contributions is reflected in several awards: Fellow of the International Association for Computational Mechanics (IACM) awarded in 2012, SIAM Fellow in 2011 for pioneering contributions to parallel algorithms for numerical linear algebra, ACM Fellow in 1999 for leadership in education and research in parallel computing and contributions in mathematical software for parallel architectures, and Fellow of the American Association for the Advancement of Science (AAAS) in 1993.

Best Publications

  • The Perfect Club Benchmarks: Effective Performance Evaluation of Supercomputers

    M. Berry;D. Chen;P. Koss;D. Kuck

  • Cedar—a large scale multiprocessor

    D Gajski;D Kuck;D Lawrie;A Sameh

  • On Stable Parallel Linear System Solvers

    A. H. Sameh;D. J. Kuck

  • Parallel supercomputing today and the cedar approach

    David J. Kuck;Edward S. Davidson;Duncan H. Lawrie;Ahmed H. Sameh

  • The Illiac IV system

    W.J. Bouknight;S.A. Denenberg;D.E. McIntyre;J.M. Randall

  • Parallel algorithms for dense linear algebra computations

    K. A. Gallivan;R. J. Plemmons;A. H. Sameh

  • A parallel hybrid banded system solver: the SPIKE algorithm

    Eric Polizzi;Ahmed H. Sameh

  • A Trace Minimization Algorithm for the Generalized Eigenvalue Problem

    Ahmed H. Sameh;John A. Wisniewski

  • Impact of Hierarchical Memory Systems On Linear Algebra Algorithm Design

    Kyle Gallivan;William Jalby;Ulrike Meier;Ahmed H. Sameh

  • On Jacobi and Jacobi-like algorithms for a parallel computer

    Ahmed H. Sameh

  • Parallel Algorithms for Matrix Computations

    K. Gallivan;C. Romine;R. Plemmons;A. Sameh

  • Practical Parallel Band Triangular System Solvers

    S. C. Chen;D. J. Kuck;A. H. Sameh

  • Row projection methods for large nonsymmetric linear systems

    R. Bramley;A. Sameh

  • The trace minimization method for the symmetric generalized eigenvalue problem

    Ahmed Sameh;Zhanye Tong

  • A scalable hybrid linear solver based on combinatorial algorithms

    Madan Sathe;Olaf Schenk;Bora Uçar;Ahmed Sameh

  • On some parallel banded system solvers

    Jack J. Dongarra;Ahmed H. Sameh

  • Solving Triangular Systems on a Parallel Computer

    Ahmed H. Sameh;Richard P. Brent

  • A multiprocessor algorithm for the symmetric tridiagonal eigenvalue problem

    Sy-Shin Lo;Berfnard Philippe;Ahmed Sameh

  • SPIKE: A parallel environment for solving banded linear systems

    Eric Polizzi;Ahmed Sameh

  • High Speed Computer and Algorithm Organization

    David J. Kuck;Ahmed H. Sameh;Duncan H. Lawrie

  • Trace Minimization Algorithm for the Generalized Eigenvalue Problem

    Bill Harrod;Ahmed H. Sameh

Frequent Co-Authors

Ananth Grama
Ananth Grama Purdue University West Lafayette
David J. Kuck
David J. Kuck University of Illinois at Urbana-Champaign
Kyle A. Gallivan
Kyle A. Gallivan Florida State University
Michael W. Berry
Michael W. Berry University of Tennessee at Knoxville
Vipin Kumar
Vipin Kumar University of Minnesota
Claude Brezinski
Claude Brezinski University of Lille
Tayfun E. Tezduyar
Tayfun E. Tezduyar Rice University
David Padua
David Padua University of Illinois at Urbana-Champaign
Olaf Schenk
Olaf Schenk Universita della Svizzera Italiana
Daniel D. Gajski
Daniel D. Gajski University of California, Irvine

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