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D-Index & Metrics

Mathematics

D-Index
38
Citations
6736
World Ranking
2325
National Ranking
984

Walter D. Neumann 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 Walter D. Neumann 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: 130 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Walter D. Neumann 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 Walter D. Neumann 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: 38 D-Index — 37th percentile

37% 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
  • 2003 - Member of the European Academy of Sciences

Overview

Walter D. Neumann is a researcher affiliated with Columbia University in the United States. Their academic work primarily concentrates on mathematics and computer science, with a significant focus on geometry, topology, and related mathematical theories.

The main fields of study for Walter D. Neumann include:

  • Mathematics
  • Computer Science

Within these broader disciplines, their subfields of study encompass:

  • Geometry and Topology
  • Mathematical Physics
  • Computational Theory and Mathematics
  • Theoretical Computer Science
  • Discrete Mathematics and Combinatorics

The researcher's key topics of work are:

  • Algebraic Geometry and Number Theory
  • Geometric and Algebraic Topology
  • Advanced Differential Equations and Dynamical Systems
  • Homotopy and Cohomology in Algebraic Topology
  • Mathematics and Applications
  • History and Theory of Mathematics
  • Advanced Combinatorial Mathematics

Recent papers authored by Walter D. Neumann include:

  • Orbifold splice quotients and log covers of surface pairs, 2021, Journal of Singularities
  • Complex surface singularities with integral homology sphere links, 2021, UNC Libraries
  • Universal abelian covers of quotient-cusps, 2021, UNC Libraries
  • Complete intersection singularities of splice type as universal abelian covers, 2021, UNC Libraries

Frequent co-authors collaborating with Walter D. Neumann include:

  • Jonathan Wahl
  • Anne Pichon

Regarding publication venues, their work has appeared mainly in:

  • UNC Libraries
  • Journal of Singularities

Walter D. Neumann has also contributed to book publications, with a notable title:

  • Introduction to Lipschitz Geometry of Singularities, published by Springer Nature in 2020

The academic recognition awarded to Walter D. Neumann includes:

  • Fellow of the American Mathematical Society, 2013
  • Member of the European Academy of Sciences, 2003

Best Publications

  • Three-Dimensional Link Theory and Invariants of Plane Curve Singularities.

    David Eisenbud;Walter D. Neumann

  • Volumes of hyperbolic three-manifolds

    Walter D. Neumann;Don Zagier

  • A calculus for plumbing applied to the topology of complex surface singularities and degenerating complex curves

    Walter D. Neumann

  • A geometric invariant of discrete groups

    Robert Bieri;Walter D. Neumann;Ralph Strebel

  • Seifert manifolds, plumbing, µ-invariant and orientation reversing maps

    Walter D. Neumann;Frank Raymond

  • Differentiable manifolds and quadratic forms

    Friedrich Hirzebruch;Walter D. Neumann;Sebastian S. Koh

  • Arithmetic of Hyperbolic Manifolds

    Walter D. Neumann;Alan W. Reid

  • Transverse foliations of Seifert bundles and self homeomorphism of the circle

    David Eisenbud;Ulrich Hirsch;Walter Neumann

  • Casson invariant of links of singularities

    Walter Neumann;Walter Neumann;Jonathan Wahl;Jonathan Wahl

  • On intersections of finitely generated subgroups of free groups

    Walter D. Neumann

  • Proof of the Poincaré-Birkhoff fixed point theorem.

    M. Brown;W. D. Neumann

  • Extended Bloch group and the Cheeger-Chern-Simons class

    Walter D Neumann

  • Complete intersection singularities of splice type as universal abelian covers

    Walter D. Neumann;Jonathan Wahl

  • BLOCH INVARIANTS OF HYPERBOLIC 3-MANIFOLDS

    Walter D. Neumann;Jun Yang

  • Combinatorics of Triangulations and the Chern-Simons Invariant for Hyperbolic 3-Manifolds

    Walter D. Neumann

  • Automatic structures, rational growth, and geometrically finite hyperbolic groups.

    Walter D. Neumann;Michael Shapiro

  • Computing arithmetic invariants of 3-manifolds

    David Coulson;Oliver A. Goodman;Craig D. Hodgson;Walter D. Neumann

  • Complex algebraic plane curves via their links at infinity

    Walter D. Neumann

  • Rotation Numbers of Products of Circle Homeomorphisms

    Mark Jankins;Walter D. Neumann

  • An invariant of plumbed homology spheres

    Walter D. Neumann

Frequent Co-Authors

Don Zagier
Don Zagier Max Planck Institute for Mathematics
Jonathan H. Manton
Jonathan H. Manton University of Melbourne
William M. Goldman
William M. Goldman University of Maryland, College Park
Louis H. Kauffman
Louis H. Kauffman University of Illinois at Chicago
David Eisenbud
David Eisenbud University of California, Berkeley
Friedrich Hirzebruch
Friedrich Hirzebruch Max Planck Institute for Mathematics

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