World's Best Scientists 2026 revealed!
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Mathematics
Brazil
2023

D-Index & Metrics

Mathematics

D-Index
44
Citations
7793
World Ranking
1589
National Ranking
11

Engineering and Technology

D-Index
44
Citations
7594
World Ranking
5809
National Ranking
22

Alfredo N. Iusem 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 Alfredo N. Iusem 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: 157 publications — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Alfredo N. Iusem 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 Alfredo N. Iusem 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: 44 D-Index — 58th percentile

58% 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

  • 2023 - Research.com Mathematics in Brazil Leader Award
  • 2009 - SIAM Fellow For contributions to linear programming and optimization.
  • 2002 - Fellow, The World Academy of Sciences

Overview

Alfredo N. Iusem is affiliated with the Instituto Nacional de Matemática Pura e Aplicada in Brazil. Their research primarily focuses on areas within mathematics and computer science, emphasizing optimization and variational analysis.

The scientist's main fields of study include:

  • Mathematics
  • Computer Science

Within these fields, their work spans several subfields, particularly:

  • Computational Theory and Mathematics
  • Numerical Analysis
  • Computational Mechanics
  • Geometry and Topology
  • Control and Systems Engineering

The central topics of their research encompass:

  • Optimization and Variational Analysis
  • Advanced Optimization Algorithms Research
  • Sparse and Compressive Sensing Techniques
  • Matrix Theory and Algorithms
  • Iterative Methods for Nonlinear Equations
  • Fixed Point Theorems Analysis
  • Advanced Differential Equations and Dynamical Systems

Alfredo N. Iusem has contributed a number of papers published in recognized venues. Some recent notable publications are:

  • "A Two-Step Proximal Point Algorithm for Nonconvex Equilibrium Problems with Applications to Fractional Programming" (2024, Journal of Global Optimization)
  • "Proximal Point Algorithms for Quasiconvex Pseudomonotone Equilibrium Problems" (2021, Journal of Optimization Theory and Applications)
  • "A Note on 'Existence Results for Noncoercive Mixed Variational Inequalities in Finite Dimensional Spaces'" (2020, Journal of Optimization Theory and Applications)
  • "Convergence analysis of the extragradient method for equilibrium problems in Hadamard spaces" (2020, Computational and Applied Mathematics)

The scientist frequently publishes in venues such as:

  • arXiv (Cornell University)
  • Journal of Optimization Theory and Applications
  • Journal of Nonlinear and Variational Analysis
  • Computational Optimization and Applications
  • Journal of Global Optimization

Collaborations have frequently been established with a select group of coauthors, including:

  • Roger Behling
  • Luiz-Rafael Santos
  • Yunier Bello-Cruz
  • Felipe Lara
  • Reza Arefidamghani

Among distinctions awarded, the scientist was named a SIAM Fellow in 2009 for contributions to linear programming and optimization and was recognized as a Fellow of The World Academy of Sciences in 2002.

Best Publications

  • Totally Convex Functions for Fixed Points Computation and Infinite Dimensional Optimization

    Dan Butnariu;Alfredo N Iusem

  • A variant of korpelevich’s method for variational inequalities with a new search strategy

    A. N. Iusem;B. F. Svaiter

  • Enlargement of Monotone Operators with Applications to Variational Inequalities

    Regina S. Burachik;Alfredo N. Iusem;B. F. Svaiter

  • A Projected Gradient Method for Vector Optimization Problems

    L.M. Graña Drummond;A. N. Iusem

  • Entropy-like proximal methods in convex programming

    Alfredo N. Iusem;B. F. Svaiter;Marc Teboulle

  • Proximal Methods in Vector Optimization

    Henri Bonnel;Alfredo Noel Iusem;Benar Fux Svaiter

  • Set-Valued Mappings and Enlargements of Monotone Operators

    Alfredo N. Iusem;Regina S. Burachik

  • On the projected subgradient method for nonsmooth convex optimization in a Hilbert space

    Ya. I. Alber;A. N. Iusem;M. V. Solodov

  • A Generalized Proximal Point Algorithm for the Variational Inequality Problem in a Hilbert Space

    Regina S. Burachik;Alfredo N. Iusem

  • On certain conditions for the existence of solutions of equilibrium problems

    Alfredo N. Iusem;Gábor Kassay;Wilfredo Sosa

  • New existence results for equilibrium problems

    Alfredo N. Iusem;Wilfredo Sosa

  • An interior point method with Bregman functions for the variational inequality problem with paramonotone operators

    Yair Censor;Alfredo N. Iusem;Stavros A. Zenios

  • Iterative Algorithms for Equilibrium Problems

    Alfredo N. Iusem;Wilfredo Sosa

  • Full convergence of the steepest descent method with inexact line searches

    R. Burachik;L. M. Graña Drummond;A.N. Iusem;B. F. Svaiter

  • Extragradient Method with Variance Reduction for Stochastic Variational Inequalities

    Alfredo N. Iusem;Alejandro Jofré;Roberto Imbuzeiro Oliveira;Philip Thompson

  • On the convergence properties of the projected gradient method for convex optimization

    A. N. Iusem

  • Maximal Monotone Operators

    Regina S. Burachik;Alfredo N. Iusem

  • On the proximal point method for equilibrium problems in Hilbert spaces

    Alfredo N. Iusem;Wilfredo Sosa

  • Korpelevich's method for variational inequality problems in Banach spaces

    Alfredo N. Iusem;Mostafa Nasri

  • On some properties of paramonotone operators.

    Alfredo N. Iusem

  • Linear and Nonlinear Programming

    Unknown

Frequent Co-Authors

Benar Fux Svaiter
Benar Fux Svaiter Instituto Nacional de Matemática Pura e Aplicada
Marc Teboulle
Marc Teboulle Tel Aviv University
Yair Censor
Yair Censor University of Haifa
Masao Fukushima
Masao Fukushima Kyoto University
Heinz W. Engl
Heinz W. Engl University of Vienna
Renato D. C. Monteiro
Renato D. C. Monteiro Georgia Institute of Technology
Yinyu Ye
Yinyu Ye Stanford University
Gabor T. Herman
Gabor T. Herman City University of New York
José Mario Martínez
José Mario Martínez State University of Campinas
Stavros A. Zenios
Stavros A. Zenios University of Cyprus

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