World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
32
Citations
3952
World Ranking
3218
National Ranking
1283

John Isbell 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 John Isbell 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: 134 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

John Isbell 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 John Isbell 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: 32 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Overview

John Isbell was affiliated with the University at Buffalo, State University of New York, in the United States. Their academic career was connected to this institution, indicating a base of scholarly activity and research within the American higher education system.

Although specific publications, papers, and topics were not listed, the available data shows no recent papers or frequent co-authors associated with their work. There were no identified publication venues commonly associated with this researcher either.

There is no detailed information about the main fields or subfields of study that characterized Isbell's research, nor about any specific topics that they focused on throughout their academic engagements. Similarly, no book publications or awards were recorded for this individual.

The absence of publications and awards data suggests a profile that lacks publicly available bibliometric records or that the data set did not capture these details. The scientist's academic footprint may have been more focused on roles not fully documented here, such as teaching, mentorship, or other professional activities within the university context.

John Isbell is recorded as deceased. Their career and contributions should thus be considered within a historical context regarding the University at Buffalo and their respective disciplines during their active years.

Best Publications

  • Six theorems about injective metric spaces

    Unknown

  • Some operators on uniform spaces

    Seymour Ginsburg;J. R. Isbell

  • A CLASS OF MAJORITY GAMES

    Unknown

  • Function spaces and adjoints.

    Unknown

  • Epimorphisms and dominions, V

    Unknown

  • Lattice-ordered rings and function rings.

    Unknown

  • Algebras of Uniformly Continuous Functions

    Unknown

  • Epimorphisms and Dominions. IV

    Unknown

  • Projection constants and spaces of continuous functions

    Unknown

  • Completion of a construction of Johnstone

    Unknown

  • General Functorial Semantics, I

    Unknown

  • Some Remarks Concerning Categories and Subspaces

    Unknown

  • First steps in descriptive theory of locales

    Unknown

  • On finite-dimensional uniform spaces. II

    Unknown

  • Uniform neighborhood retracts

    Unknown

  • THE CATEGORY OF COFINAL TYPES. I

    Seymour Ginsburg;J. R. Isbell

  • Embeddings of Inverse Limits

    Unknown

  • Perfect monoids

    Unknown

  • Seven Cofinal Types

    John R. Isbell

  • ON FINITE-DIMENSIONAL UNIFORM SPACES

    Unknown

  • Euclidean and weak uniformities

    Unknown

  • On dissolute spaces

    John Isbell

  • Two examples in varieties of monoids

    John R. Isbell

  • ON THE FRACTIONAL PARTS OF n/j,j = o(n)

    John Isbell;Stephen Schanuel

  • Problems: 10424-10430

    Ira Gessel;Allen Barnes;Naom Elkies;George Soules

  • Weak Powers and Small-Valued Functors

    J. R. Isbell;S. H. Schanuel

  • Polynomials in modules. I. Vector spaces

    John Isbell

  • k -parametrizable algebras

    J. Isbell

  • Elementary Problems: E2259-E2264

    J. R. Isbell;Marlow Sholander;R. M. Meyer;G. J. Simmons

  • Relatively Parametrizable Subalgebras

    John Isbell

  • A Union of Proper Subspaces?: 10707

    John Isbell;Julio Kuplinsky;Leon Mattics

  • On Multiplicative Generators of Commutative Rings

    John Isbell

  • Fixed Points of Iterated Cyclic Difference Operators: 10676

    John Isbell;Stephen H. Schanuel;Stephen M. Gagola;Mowaffaq Hajja

  • Each complexity-two word represents every sufficiently long spike

    Nereu E. Burin;John R. Isbell;D. M. Silberger

  • Submodules of Free Modules

    John Isbell

  • Varieties of Frames

    John Isbell

  • Note on kω without separation

    John Isbell

  • A freshman calculus proof that real quartics factor

    John Isbell

  • Some closure properties in monoids

    John Isbell;Stephen Schanuel

  • Elementary Problems: E3253-E3258

    Sydney Bulman-Fleming;Edward T. H. Wang;David Singmaster;Paul Erdos

Frequent Co-Authors

Paul Erdös
Paul Erdös Hungarian Academy of Sciences
Ira M. Gessel
Ira M. Gessel Brandeis University

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