World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
50
Citations
24422
World Ranking
1045
National Ranking
35

Ivar Ekeland 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 Ivar Ekeland 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: 82 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: 183 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Ivar Ekeland 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 Ivar Ekeland 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: 137 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: 50 D-Index — 71st percentile

71% 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

  • 2020 - Member of Academia Europaea
  • 2008 - Fellow of the Royal Society of Canada Academy of Science

Overview

Ivar Ekeland is affiliated with the University of British Columbia in Canada and has made contributions primarily within the fields of economics, econometrics, finance, and mathematics. Their research spans a range of topics that integrate advanced mathematical theories with economic models.

The main areas of study related to Ekeland's work include:

  • Economics, Econometrics and Finance
  • Mathematics

Further specialization is reflected in subfields such as:

  • Economics and Econometrics
  • Geometry and Topology
  • Mathematical Physics
  • Applied Mathematics
  • Management Science and Operations Research

The primary topics addressed in Ekeland's publications cover:

  • Economic theories and models
  • Auction Theory and Applications
  • Quantum chaos and dynamical systems
  • Advanced Differential Equations and Dynamical Systems
  • Mathematical Dynamics and Fractals
  • Advanced mathematical theories
  • Algebraic and Geometric Analysis

Ekeland has published in several venues with repeated publications in:

  • Annales des Mines - Responsabilité et environnement
  • arXiv (Cornell University)
  • Journal of the European Mathematical Society
  • SSRN Electronic Journal
  • Rendiconti Lincei Matematica e Applicazioni

Recent papers authored by Ekeland include:

  • "A surjection theorem for maps with singular perturbation and loss of derivatives" (2021, Journal of the European Mathematical Society)
  • "Optimal Exploration and Price Paths of a Non-Renewable Commodity with Stochastic Discoveries" (2022, SSRN Electronic Journal)
  • "A local surjection theorem with continuous inverse in Banach spaces" (2024, Rendiconti Lincei Matematica e Applicazioni)
  • "La finance à l'heure des limites planétaires" (2021, Annales des Mines - Responsabilité et environnement)

Among frequent collaborators, Ekeland has co-authored multiple works with the following research peers:

  • Éric Séré
  • Wolfram Schlenker
  • Peter Tankov
  • Brian D. Wright
  • Alfred Galichon

Ekeland's contributions have been recognized with distinctions such as:

  • Member of Academia Europaea (2020)
  • Fellow of the Royal Society of Canada, Academy of Science (2008)

Best Publications

  • Convex analysis and variational problems

    Ivar Ekeland;Roger Téman

  • Applied Nonlinear Analysis

    Jean Pierre Aubin;Ivar Ekeland

  • On the variational principle

    Ivar Ekeland

  • Nonconvex minimization problems

    Ivar Ekeland

  • Analyse convexe et problèmes variationnels

    Ivar Ekeland;Roger Temam

  • Convexity methods in Hamiltonian mechanics

    Ivar Ekeland

  • Identification and Estimation of Hedonic Models

    Ivar Ekeland;James J. Heckman;Lars Nesheim

  • A variational approach to homoclinic orbits in Hamiltonian systems

    Vittorio Coti Zelati;Ivar Ekeland;Eric Séré

  • Symplectic topology and Hamiltonian dynamics

    Ivar Ekeland;Helmut Hofer

  • Investment and Consumption without Commitment

    Ivar Ekeland;Traian A. Pirvu

  • Mathematics and the unexpected

    Ivar Ekeland;Ronald F. Fox

  • Hamiltonian trajectories having prescribed minimal period

    Frank H. Clarke;Ivar Ekeland

  • Infinite-dimensional optimization and convexity

    Ivar Ekeland;Thomas Turnbull

  • Identifying Hedonic Models

    Ivar Ekeland;James J. Heckman;Lars Nesheim

  • Review: C. Castaing and M. Valadier, Convex analysis and measurable multifunctions

    Unknown

  • Selected new aspects of the calculus of variations in the large

    Ivar Ekeland;Nassif Ghoussoub

  • Nonlinear oscillations and boundary value problems for Hamiltonian systems

    Frank H. Clarke;I. Ekeland

  • Being serious about non-commitment: subgame perfect equilibrium in continuous time

    Ivar Ekeland;Ali Lazrak

  • Generic Fréchet-differentiability and perturbed optimization problems in Banach spaces

    Ivar Ekeland;Gérard Lebourg

  • On the number of periodic trajectories for a Hamiltonian flow on a convex energy surface

    Ivar Ekeland;Jean-Michel Lasry

  • Convex Hamiltonian energy surfaces and their periodic trajectories

    I. Ekeland;H. Hofer

Frequent Co-Authors

Pierre-André Chiappori
Pierre-André Chiappori Columbia University
Roger Temam
Roger Temam Indiana University
Guillaume Carlier
Guillaume Carlier Paris Dauphine University
Helmut Hofer
Helmut Hofer Institute for Advanced Study
Nizar Touzi
Nizar Touzi École Polytechnique
Jean-Pierre Aubin
Jean-Pierre Aubin Université Paris Cité
Walter Schachermayer
Walter Schachermayer University of Vienna
Nassif Ghoussoub
Nassif Ghoussoub University of British Columbia
James J. Heckman
James J. Heckman University of Chicago
Antonio Ambrosetti
Antonio Ambrosetti International School for Advanced Studies

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