World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
33
Citations
4518
World Ranking
9415
National Ranking
2650

Ibrahim N. Hajj publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Ibrahim N. Hajj sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 181 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Ibrahim N. Hajj D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Ibrahim N. Hajj sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 33 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Research.com Recognitions

  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1990 - IEEE Fellow For contributions to computer-aided simulation and design of very-large-scale integrated circuits and to engineering education.

Overview

What is he best known for?

The fields of study he is best known for:

  • Electrical engineering
  • Integrated circuit
  • Algorithm

Ibrahim N. Hajj mostly deals with Electronic circuit, Electronic engineering, Very-large-scale integration, CMOS and Algorithm. His Electronic circuit research is multidisciplinary, relying on both Waveform, Asynchronous circuit, Logic gate and Parallel computing. Ibrahim N. Hajj studies Electronic engineering, namely Integrated circuit design.

His Very-large-scale integration study integrates concerns from other disciplines, such as Integrated circuit, Static timing analysis, Voltage drop, Voltage and Circuit reliability. The CMOS study combines topics in areas such as Entropy encoding, Decoding methods, Encoder and Offset. His research integrates issues of Digital electronics and Upper and lower bounds in his study of Algorithm.

His most cited work include:

  • A coding framework for low-power address and data busses (211 citations)
  • Probabilistic simulation for reliability analysis of CMOS VLSI circuits (188 citations)
  • Pattern independent maximum current estimation in power and ground buses of CMOS VLSI circuits: Algorithms, signal correlations, and their resolution (142 citations)

What are the main themes of his work throughout his whole career to date?

Ibrahim N. Hajj focuses on Electronic engineering, Very-large-scale integration, Electronic circuit, CMOS and Algorithm. His studies deal with areas such as Circuit extraction, Transistor and Electrical engineering as well as Electronic engineering. He interconnects Digital electronics, Computer engineering, Reliability, Circuit reliability and Sequential logic in the investigation of issues within Very-large-scale integration.

His study in Electronic circuit is interdisciplinary in nature, drawing from both Integrated circuit, Equivalent circuit, Voltage drop, Voltage and Waveform. His research integrates issues of Probabilistic logic, Inverter, NMOS logic and Electromigration in his study of CMOS. His research in Algorithm focuses on subjects like Upper and lower bounds, which are connected to Entropy, Information theory and Entropy encoding.

He most often published in these fields:

  • Electronic engineering (56.40%)
  • Very-large-scale integration (33.72%)
  • Electronic circuit (33.14%)

What were the highlights of his more recent work (between 1999-2017)?

  • Electronic engineering (56.40%)
  • Integrated circuit design (13.37%)
  • Electronic circuit (33.14%)

In recent papers he was focusing on the following fields of study:

His main research concerns Electronic engineering, Integrated circuit design, Electronic circuit, Very-large-scale integration and Crosstalk. His Electronic engineering research incorporates themes from Time complexity and Equivalent circuit. His work deals with themes such as Voltage and Probabilistic method, which intersect with Integrated circuit design.

Ibrahim N. Hajj has researched Electronic circuit in several fields, including Circuit extraction and Voltage drop. His Very-large-scale integration study incorporates themes from Delay calculation, RC circuit, Static timing analysis, Logic optimization and Decoupling. His study focuses on the intersection of Crosstalk and fields such as Interconnection with connections in the field of Topology, Low-noise amplifier and Microprocessor.

Between 1999 and 2017, his most popular works were:

  • Architectural and compiler techniques for energy reduction in high-performance microprocessors (95 citations)
  • Simulation and optimization of the power distribution network in VLSI circuits (64 citations)
  • Static timing analysis including power supply noise effect on propagation delay in VLSI circuits (58 citations)

In his most recent research, the most cited papers focused on:

  • Electrical engineering
  • Integrated circuit
  • Statistics

His scientific interests lie mostly in Electronic engineering, Logic gate, Electronic circuit, Very-large-scale integration and Integrated circuit design. He has included themes like Transistor, Integrated circuit layout, TC0 and Voltage drop in his Electronic engineering study. His research in Logic gate intersects with topics in NAND logic, CMOS and Voltage swing.

The various areas that Ibrahim N. Hajj examines in his Electronic circuit study include Delay calculation, Static timing analysis and Propagation delay. In his study, Frequency domain, RC circuit, Distribution networks, Topology and Computation is strongly linked to Decoupling, which falls under the umbrella field of Very-large-scale integration. His Integrated circuit design research includes elements of Crosstalk and Interconnection.

Best Publications

  • A coding framework for low-power address and data busses

    S. Ramprasad;N.R. Shanbhag;I.N. Hajj

  • Probabilistic simulation for reliability analysis of CMOS VLSI circuits

    F.N. Najm;R. Burch;P. Yang;I.N. Hajj

  • Pattern independent maximum current estimation in power and ground buses of CMOS VLSI circuits: Algorithms, signal correlations, and their resolution

    H. Kriplani;F.N. Najm;I.N. Hajj

  • Architectural and compiler support for energy reduction in the memory hierarchy of high performance microprocessors

    Nikolaos Bellas Ibrahim Hajj;George Stamoulis;N. Bellas;C. Polychronopoulos

  • Power Estimation in Sequential Circuitsy

    Farid N. Najm;Shashank Goel;Ibrahim N. Hajj

  • Design error diagnosis and correction via test vector simulation

    A. Veneris;I.N. Hajj

  • Analytical estimation of signal transition activity from word-level statistics

    S. Ramprasad;N.R. Shanbha;I.N. Hajj

  • Architectural and compiler techniques for energy reduction in high-performance microprocessors

    N. Bellas;I.N. Hajj;C.D. Polychronopoulos;G. Stamoulis

  • Using dynamic cache management techniques to reduce energy in a high-performance processor

    Nikolaos Bellas;Ibrahim Hajj;Constantine Polychronopoulos

  • Nonlinear circuit theory: Resistive networks

    E.S. Kuh;I.N. Hajj

  • Energy and performance improvements in microprocessor design using a loop cache

    N. Bellas;I. Hajj;C. Polychronopoulos;G. Stamoulis

  • Parallel circuit simulation on supercomputers

    R.A. Saleh;K.A. Gallivan;M.-C. Chang;I.N. Hajj

  • Simulation and optimization of the power distribution network in VLSI circuits

    G. Bai;S. Bobba;I. N. Hajj

  • Maximum leakage power estimation for CMOS circuits

    S. Bobba;I.N. Hajj

  • Static timing analysis including power supply noise effect on propagation delay in VLSI circuits

    Geng Bai;Sudhakar Bobba;Ibrahim N. Hajj

  • Diagnosis and Correction of Logic Design Errors in Digital Circuits

    Pi-Yu Chung;Yi-Min Wang;Ibrahim N. Hajj

  • Maximum current estimation in CMOS circuits

    H. Kriplani;F. Najm;I. Hajj

  • Analysis of Noise Avoidance Techniques in DSM Interconnects Using a Complete Crosstalk Noise Model

    M.R. Becer;D. Blaauw;V. Zolotov;R. Panda

  • Timing and area optimization for standard-cell VLSI circuit design

    Weitong Chuang;S.S. Sapatnekar;I.N. Hajj

  • Information-theoretic bounds on average signal transition activity [VLSI systems]

    S. Ramprasad;N.R. Shanbhag;I.N. Hajj

  • CREST-a current estimator for CMOS circuits

    F. Najm;R. Burch;Ping Yang;I. Hajj

Frequent Co-Authors

Farid N. Najm
Farid N. Najm University of Toronto
Naresh R. Shanbhag
Naresh R. Shanbhag University of Illinois at Urbana-Champaign
David Blaauw
David Blaauw University of Michigan–Ann Arbor
Constantine D. Polychronopoulos
Constantine D. Polychronopoulos University of Illinois at Urbana-Champaign
Sung-Mo Kang
Sung-Mo Kang University of California, Santa Cruz
Vladimir Zolotov
Vladimir Zolotov IBM (United States)
Sachin S. Sapatnekar
Sachin S. Sapatnekar University of Minnesota
Yusuf Leblebici
Yusuf Leblebici École Polytechnique Fédérale de Lausanne
W.K. Fuchs
W.K. Fuchs University of Florida
Peter W. Sauer
Peter W. Sauer University of Illinois at Urbana-Champaign

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