World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
46
Citations
7340
World Ranking
1384
National Ranking
13

Qamrul Hasan Ansari 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 Qamrul Hasan Ansari 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: 253 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Qamrul Hasan Ansari 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 Qamrul Hasan Ansari 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: 46 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

Overview

Qamrul Hasan Ansari is affiliated with Aligarh Muslim University in India. Their research spans the fields of Mathematics and Computer Science, with a particular focus on areas such as Optimization and Variational Analysis, Advanced Optimization Algorithms Research, and Fuzzy Systems and Optimization. Their work also covers topics within Optimization and Mathematical Programming, Contact Mechanics and Variational Inequalities, and Fixed Point Theorems Analysis, including Topology Optimization in Engineering.

The scientist's scholarly output includes publications in several prominent journals. Frequent publication venues include:

  • Journal of Optimization Theory and Applications
  • Optimization
  • Fixed Point Theory
  • Carpathian Journal of Mathematics
  • Journal of Global Optimization

Recent papers authored or co-authored by Ansari demonstrate engagement with theoretical and applied aspects of optimization and variational analysis. These works include:

  • Weak Sharpness and Finite Convergence for Solutions of Nonsmooth Variational Inequalities in Hilbert Spaces, 2020, Applied Mathematics & Optimization
  • Linear conditioning, weak sharpness and finite convergence for equilibrium problems, 2020, Journal of Global Optimization
  • Augmented Lagrangian cone method for multiobjective optimization problems with an application to an optimal control problem, 2022, Optimization and Engineering
  • Robust Necessary Optimality Conditions for Nondifferentiable Complex Fractional Programming with Uncertain Data, 2021, Journal of Optimization Theory and Applications
  • Characterizations of robust optimality conditions via image space analysis, 2020, Optimization

Ansari has collaborated extensively with several co-authors, including Suliman Al-Homidan, Pradeep Kumar Sharma, Debdas Ghosh, Feeroz Babu, and Jen-Chih Yao. These collaborations show a continued partnership in advancing research within their fields of expertise.

In addition to articles, Ansari has contributed to academic literature through book publications. One notable book is "Fixed Point Theory and Variational Principles in Metric Spaces," published in 2023 by Cambridge University Press.

Their subfields of focus further highlight a diverse research interest within computational and mathematical disciplines, such as Computational Theory and Mathematics, Numerical Analysis, Control and Systems Engineering, Statistics and Probability, and Geometry and Topology.

Best Publications

  • A fixed point theorem and its applications to a system of variational inequalities

    Qamrul Hasan Ansari;Jen-Chih Yao

  • An existence result for the generalized vector equilibrium problem

    Q.H. Ansari;J.-C. Yao

  • A generalization of vectorial equilibria

    Qamrul Hasan Ansari;Werner Oettli;Dirk Schläger

  • An iterative scheme for equilibrium problems and fixed point problems of strict pseudo-contraction mappings

    L. C. Ceng;S. Al-Homidan;Q. H. Ansari;J. C. Yao

  • System of vector equilibrium problems and its applications

    Q. H. Ansari;S. Schaible;J. C. Yao

  • An extragradient method for solving split feasibility and fixed point problems

    L. C. Ceng;Q. H. Ansari;J. C. Yao

  • Some generalizations of Ekeland-type variational principle with applications to equilibrium problems and fixed point theory

    S. Al-Homidan;Q.H. Ansari;Q.H. Ansari;J.-C. Yao

  • Some iterative methods for finding fixed points and for solving constrained convex minimization problems

    L.-C. Ceng;Q.H. Ansari;J.-C. Yao

  • Relaxed extragradient methods for finding minimum-norm solutions of the split feasibility problem

    L.-C. Ceng;Q.H. Ansari;J.-C. Yao

  • Generalized Convexity, Nonsmooth Variational Inequalities, and Nonsmooth Optimization

    Qamrul Hasan Ansari;C. S. Lalitha;Monika Mehta

  • Nonsmooth Vector Optimization Problems and Minty Vector Variational Inequalities

    Q. H. Ansari;G. M. Lee

  • On vector variational inequalities

    A. H. Siddiqi;Q. H. Ansari;A. Khaliq

  • Recent developments in vector optimization

    Qamrul Hasan Ansari;Jen-Chih Yao

  • The system of generalized vector equilibrium problems with applications

    Qamrul Hasan Ansari;Siegfried Schaible;Jen-Chih Yao

  • Interative schemes for solving mixed variational-like inequalites 1,2

    Q. H. Ansari;J. C. Yao

  • General strongly nonlinear variational inequalities

    A.H Siddiqi;Q.H Ansari

  • An Iterative Algorithm for Generalized Nonlinear Variational Inclusions

    R. Ahmad;Qamrul Hasan Ansari

  • Strongly nonlinear quasivariational inequalities

    A.H Siddiqi;Q.H Ansari

  • Characterization of solutions for vector equilibrium problems

    Q. H. Ansari;I. V. Konnov;J. C. Yao

  • Mann-Type Steepest-Descent and Modified Hybrid Steepest-Descent Methods for Variational Inequalities in Banach Spaces

    Lu-Chuan Ceng;Qamrul Hasan Ansari;Jen-Chih Yao

  • Vector Variational Inequalities and Vector Optimization

    Qamrul Hasan Ansari;Elisabeth Köbis;Jen-Chih Yao

Frequent Co-Authors

Jen-Chih Yao
Jen-Chih Yao China Medical University
Lu-Chuan Ceng
Lu-Chuan Ceng Shanghai Normal University
Xiaoqi Yang
Xiaoqi Yang Hong Kong Polytechnic University
Yeong-Cheng Liou
Yeong-Cheng Liou Kaohsiung Medical University
Siegfried Schaible
Siegfried Schaible University of California, Riverside
Xiaolong Qin
Xiaolong Qin Hangzhou Normal University
Mohamed A. Khamsi
Mohamed A. Khamsi Khalifa University
Yekini Shehu
Yekini Shehu Zhejiang Normal University
Olaniyi Samuel Iyiola
Olaniyi Samuel Iyiola California University of Pennsylvania

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