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
5807
National Ranking
22

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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