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D-Index & Metrics

Mathematics

D-Index
42
Citations
9826
World Ranking
1762
National Ranking
757

Ronald G. Douglas 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 Ronald G. Douglas 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: 173 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

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

Ronald G. Douglas 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 Ronald G. Douglas 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: 42 D-Index — 51st percentile

51% 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
  • 1989 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1980 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1968 - Fellow of Alfred P. Sloan Foundation

Overview

Ronald G. Douglas was affiliated with Texas A&M University in the United States. Their research primarily focused on the field of Medicine, with particular emphasis on subfields such as Pediatrics, Perinatology and Child Health, and Public Health, Environmental and Occupational Health.

The scientist's work covered a number of main topics, including:

  • Global Maternal and Child Health
  • Maternal and fetal healthcare
  • Global Health and Surgery

Among their recent scholarly contributions, Ronald G. Douglas authored a paper titled "Model for Teaching the Helping Babies Survive Course Series and Advanced Life Support in Obstetrics Workshops to Rural Skilled Birth Attendants in Uganda," published in 2021 in the journal African Health Sciences.

Their frequent coauthors included:

  • Christina Kinnevey
  • David Douglas
  • Ann Larsen
  • Molly Wilson
  • S. Sams

Their research was often featured in the publication venue African Health Sciences.

Throughout their career, Ronald G. Douglas received several awards recognizing their contributions to science, such as:

  • Fellow of the American Mathematical Society (2013)
  • Fellow of the American Association for the Advancement of Science (AAAS) (1989)
  • Fellow of John Simon Guggenheim Memorial Foundation (1980)
  • Fellow of Alfred P. Sloan Foundation (1968)

Best Publications

  • Banach Algebra Techniques in Operator Theory

    Ronald G. Douglas

  • On majorization, factorization, and range inclusion of operators on Hilbert space

    R. G. Douglas

  • Complex geometry and operator theory

    M. J. Cowen;R. G. Douglas

  • Extensions of C*-algebras and K-homology

    R. G. Douglas

  • Hilbert Modules over Function Algebras

    Ronald G. Douglas

  • Banach algebra techniques in the theory of Toeplitz operators

    R. Douglas

  • On the C*-algebra of a one-parameter semigroup of isometries: In memory of David M. topping

    R. G. Douglas

  • A class of subnormal operators related to multiply-connected domains☆

    M.B Abrahamse;R.G Douglas

  • Contractive projections on an ${\germ L}_{1}$ space.

    Ronald George Douglas

  • Adiabatic limits of the η-invariants the odd-dimensional Atiyah-Patodi-Singer problem

    Ronald G. Douglas;Krzysztof P. Wojciechowski

  • On the *-algebra of Toeplitz operators on the quarterplane

    R. G. Douglas;Roger Howe

  • Invariant subspaces in the polydisk

    Om P. Agrawal;Douglas Napier Clark;Ronald George Douglas

  • $C^*$-algebras of operators on a half-space, II. Index theory

    Lewis A. Coburn;Ronald G. Douglas;David G. Schaeffer;Isadore M. Singer

  • Toward a Lean and Lively Calculus

    L. C. Moore;David A. Smith;Ronald G. Douglas

  • Essentially Reductive Hilbert Modules II

    Ronald G. Douglas

  • On Quotient Modules—The Case of Arbitrary Multiplicity

    Ronald G. Douglas;Gadadhar Misra;Cherian Varughese

  • Multiplication operators on the Bergman space via analytic continuation

    Ronald G. Douglas;Shunhua Sun;Dechao Zheng

  • APPROXIMATION BY INNER FUNCTIONS

    Ronald Douglas;Walter Rudin

  • C*-algebra extensions and K-homology

    Ronald G. Douglas

  • Reducing subspaces for analytic multipliers of the Bergman space

    Ronald G. Douglas;Mihai Putinar;Kai Wang

  • Operator colligations in Hilbert spaces

    Moshe S. Livšic;Artem A. Yantsevich;Ronald G. Douglas

Frequent Co-Authors

Ciprian Foias
Ciprian Foias Texas A&M University
Sergei Treil
Sergei Treil Brown University
Steven G. Krantz
Steven G. Krantz Washington University in St. Louis
Eric T. Sawyer
Eric T. Sawyer McMaster University
Vern I. Paulsen
Vern I. Paulsen University of Waterloo
Kenneth R. Davidson
Kenneth R. Davidson University of Waterloo
Mihai Putinar
Mihai Putinar University of California, Santa Barbara
William Arveson
William Arveson University of California, Berkeley
Michael Taylor
Michael Taylor University of North Carolina at Chapel Hill
Raúl E. Curto
Raúl E. Curto University of Iowa

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