World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
31
Citations
11222
World Ranking
3264
National Ranking
15

Ali S. Hadi 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 Ali S. Hadi 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: 123 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Ali S. Hadi 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 Ali S. Hadi 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: 31 D-Index — 9th percentile

9% 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 African Academy of Sciences
  • 1997 - Fellow of the American Statistical Association (ASA)

Overview

Ali S. Hadi is affiliated with the American University in Cairo in Egypt. Their research primarily lies within the field of Computer Science, with a focus on several subfields including Artificial Intelligence, Statistics and Probability, Management Science and Operations Research, Control and Systems Engineering, and Analytical Chemistry.

The scientist's main topics of research encompass:

  • Advanced Statistical Methods and Models
  • Efficiency Analysis Using DEA
  • Anomaly Detection Techniques and Applications
  • Spectroscopy and Chemometric Analyses
  • Machine Learning and Data Classification
  • Optimization and Mathematical Programming
  • Advanced Clustering Algorithms Research

Ali S. Hadi's publication record includes recent papers such as:

  • "A new distance between multivariate clusters of varying locations, elliptical shapes, and directions" (2022), published in Pattern Recognition
  • "Accuracy Assessment of Establishing 3D Real Scale Model in Close-Range Photogrammetry with Digital Camera" (2022), published in Engineering and Technology Journal

Frequent coauthors in their work have been:

  • Anton M. Koekemoer
  • Ramez Reda Moustafa
  • Andreas L. Faisst
  • L. Vallini
  • Seiji Fujimoto

The scientist has published in various venues, including but not limited to:

  • arXiv (Cornell University)
  • SSRN Electronic Journal
  • Pattern Recognition
  • Expert Systems with Applications
  • Journal of Computational and Applied Mathematics

Ali S. Hadi has been recognized as a Fellow of the African Academy of Sciences since 2019. Earlier in their career, they were also named a Fellow of the American Statistical Association in 1997.

Best Publications

  • Expert Systems and Probabilistic Network Models

    Enrique Castillo;Jose M. Gutierrez;Ali S. Hadi

  • Influential Observations, High Leverage Points, and Outliers in Linear Regression

    Samprit Chatterjee;Ali S. Hadi

  • Identifying Multiple Outliers in Multivariate Data

    Ali S. Hadi

  • Sensitivity Analysis in Linear Regression.

    Nicholas N. N. N. Nuamah;Samprit Chatterjee;Ali S. Hadi

  • Regression Analysis by Example: Chatterjee/Regression

    Samprit Chatterjee;Ali S. Hadi

  • A Modification of a Method for the Detection of Outliers in Multivariate Samples

    Ali S. Hadi

  • BACON: blocked adaptive computationally efficient outlier nominators

    Nedret Billor;Ali S. Hadi;Paul F. Velleman

  • Procedures for the Identification of Multiple Outliers in Linear Models

    Ali S. Hadi;Jeffrey S. Simonoff

  • Fitting the Generalized Pareto Distribution to Data

    Enrique Castillo;Ali S. Hadi

  • Sensitivity analysis in discrete Bayesian networks

    E. Castillo;J.M. Gutierrez;A.S. Hadi

  • Some cautionary notes on the use of principal components regression

    Ali S. Hadi;Robert F. Ling

  • A new measure of overall potential influence in linear regression

    Ali S. Hadi

  • Expert Systems and Probabiistic Network Models

    Enrique Castillo;Jose M. Gutierrez;Ali S. Hadi

  • Detection of outliers

    Ali S. Hadi;Ali S. Hadi;A. H. M. Rahmatullah Imon;Mark Werner

  • Maximum trimmed likelihood estimators: a unified approach, examples, and algorithms

    Ali S. Hadi;Alberto Luceño

  • Some Applications of Functional Networks in Statistics and Engineering

    Enrique F. Castillo;José Manuel Gutiérrez;Ali S. Hadi;Beatriz Lacruz

  • On fitting a fatigue model to data

    Enrique Castillo;A. Fernández-Canteli;Ali S. Hadi

  • A General Method for Local Sensitivity Analysis With Application to Regression Models and Other Optimization Problems

    Enrique F. Castillo;Ali S. Hadi;Antonio J. Conejo;Alfonso Fernández-Canteli

  • Modeling lifetime data with application to fatigue models

    Enrique Castillo;Ali S. Hadi

  • Anomaly Detection Methods for Categorical Data: A Review

    Ayman Taha;Ali S. Hadi

  • Wiley Series in Probability and Mathematical Statistics

    Samprit Chatterjee;Ali S. Hadi

  • Rule-Based Expert Systems

    Enrique Castillo;José Manuel Gutiérrez;Ali S. Hadi

Frequent Co-Authors

Enrique Castillo
Enrique Castillo University of Cantabria
José M. Gutiérrez
José M. Gutiérrez Spanish National Research Council
Martin T. Wells
Martin T. Wells Cornell University
Jeffrey S. Simonoff
Jeffrey S. Simonoff New York University
Antonio J. Conejo
Antonio J. Conejo The Ohio State University
Torben G. Andersen
Torben G. Andersen Northwestern University
Tim Bollerslev
Tim Bollerslev Duke University

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