World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
43
Citations
12982
World Ranking
1652
National Ranking
713

Alexander S. Kechris 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 Alexander S. Kechris 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: 265 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Alexander S. Kechris 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 Alexander S. Kechris 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: 43 D-Index — 54th percentile

54% 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

  • 2013 - Fellow of the American Mathematical Society
  • 2002 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1978 - Fellow of Alfred P. Sloan Foundation

Overview

Alexander S. Kechris is affiliated with the California Institute of Technology in the United States. Their research primarily spans the fields of Mathematics and Computer Science, with notable contributions within the subfields of Geometry and Topology, Computational Theory and Mathematics, and Mathematical Physics. Their work also touches upon Discrete Mathematics and Combinatorics as well as Theoretical Computer Science.

The scientist's main research topics include:

  • Advanced Topology and Set Theory
  • Computability, Logic, AI Algorithms
  • Advanced Operator Algebra Research
  • Advanced Algebra and Logic
  • Homotopy and Cohomology in Algebraic Topology
  • Semigroups and automata theory
  • Advanced Banach Space Theory

Alexander S. Kechris has participated in publishing papers across several academic venues, including:

  • arXiv (Cornell University)
  • Ergodic Theory and Dynamical Systems
  • New Zealand Journal of Mathematics
  • Contemporary Mathematics - American Mathematical Society
  • Israel Journal of Mathematics

Recent papers by the scientist include:

  • "On Polish groups admitting non-essentially countable actions," 2020, Ergodic Theory and Dynamical Systems
  • "Quasi-invariant measures for continuous group actions," 2020, Contemporary Mathematics - American Mathematical Society
  • "Realizations of countable Borel equivalence relations," 2021, arXiv (Cornell University)
  • "Global aspects of measure preserving equivalence relations and graphs," 2021, New Zealand Journal of Mathematics
  • "Lifts of Borel actions on quotient spaces," 2022, Israel Journal of Mathematics

They have collaborated frequently with several co-authors, notably:

  • Joshua Frisch
  • Forte Shinko
  • Michael Wolman
  • Maciej Malicki
  • Aristotelis Panagiotopoulos

Alexander S. Kechris is also an author of the book "Nine Mathematical Challenges," published in 2021 by the American Mathematical Society.

The scientist has been recognized with several fellowships including:

  • Fellow of the American Mathematical Society (2013)
  • Fellow of John Simon Guggenheim Memorial Foundation (2002)
  • Fellow of Alfred P. Sloan Foundation (1978)

Best Publications

  • Classical descriptive set theory

    Alexander S. Kechris

  • The descriptive set theory of Polish group actions

    Howard Paul Becker;Alexander S. Kechris

  • Fraïssé Limits, Ramsey Theory, and topological dynamics of automorphism groups

    A. S. Kechris;V. G. Pestov;S. Todorcevic

  • A Glimm-Effros dichotomy for Borel equivalence relations

    L. A. Harrington;A. S. Kechris;A. Louveau

  • Topics in orbit equivalence

    Alexander S. Kechris

  • TURBULENCE, AMALGAMATION, AND GENERIC AUTOMORPHISMS OF HOMOGENEOUS STRUCTURES

    Alexander S. Kechris;Christian Rosendal;Christian Rosendal

  • The structure of hyperfinite Borel equivalence relations

    R. Dougherty;S. Jackson;A. S. Kechris

  • Countable Borel equivalence relations

    Steve Jackson;Alexander S. Kechris;Alain Louveau

  • BOREL CHROMATIC NUMBERS

    A. S. Kechris;Slawomir Solecki;S. Todorcevic

  • Descriptive Set Theory and the Structure of Sets of Uniqueness

    Alexander S. Kechris;Alain Louveau

  • Global Aspects of Ergodic Group Actions

    Alexander S. Kechris

  • On the classification of Polish metric spaces up to isometry

    Su Gao;Alexander S. Kechris

  • The classification of hypersmooth Borel equivalence relations

    Alexander S. Kechris;Alain Louveau

  • The Structure of σ-Ideals of Compact Sets

    A. S. Kechris;A. Louveau;W. H. Woodin

  • Rigidity Theorems For Actions Of Product Groups And Countable Borel Equivalence Relations

    Greg Hjorth;Alexander S. Kechris

  • Measure and category in effective descriptive set theory

    Alexander S. Kechris

  • Borel equivalence relations and classifications of countable models

    Greg Hjorth;Alexander S. Kechris

  • Linear algebraic groups and countable Borel equivalence relations

    Scot Adams;Alexander S. Kechris

  • Countable sections for locally compact group actions

    Alexander S. Kechris

  • The theory of countable analytical sets

    Alexander S. Kechris

  • Descriptive Set Theory and the Structure of Sets of Uniqueness: REFERENCES

    Alexander S. Kechris;Alain Louveau

  • The Descriptive Set Theory of Polish Group Actions: ACTIONS OF POLISH GROUPS

    Howard Becker;Alexander S. Kechris

Frequent Co-Authors

Stevo Todorcevic
Stevo Todorcevic University of Toronto
Benjamin Weiss
Benjamin Weiss Hebrew University of Jerusalem
Russell Lyons
Russell Lyons Indiana University
Samuel R. Buss
Samuel R. Buss University of California, San Diego
Anand Pillay
Anand Pillay University of Notre Dame
Phokion G. Kolaitis
Phokion G. Kolaitis University of California, Santa Cruz
Vitaly Bergelson
Vitaly Bergelson The Ohio State University

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