World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
31
Citations
4096
World Ranking
3338
National Ranking
1310

Engineering and Technology

D-Index
31
Citations
4213
World Ranking
9682
National Ranking
2764

J. MacGregor Smith 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 J. MacGregor Smith 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: 125 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

J. MacGregor Smith 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 J. MacGregor Smith 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: 31 D-Index — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Overview

J. MacGregor Smith is affiliated with the University of Massachusetts Amherst in the United States. Their research primarily spans the fields of Engineering and Business, Management and Accounting, with a focus on Industrial and Manufacturing Engineering as well as Management Information Systems and Strategy and Management.

Themes central to Smith's work include advanced manufacturing and logistics optimization, scheduling and optimization algorithms, and assembly line balancing optimization. Other notable topics include advanced queuing theory analysis, quality and supply management, sustainable supply chain management, and management and optimization techniques.

Smith has contributed to a range of peer-reviewed publications. Some recent works include:

  • Simultaneous machine selection and buffer allocation in large unbalanced series-parallel production lines, 2021, International Journal of Production Research
  • Performance analysis of a flexible flow shop with random and state-dependent batch transport, 2020, International Journal of Production Research
  • Fleet sizing of trucks for an inter-facility material handling system using closed queueing networks, 2022, Operations Research Perspectives
  • Optimisation of Buffer Allocations in Manufacturing Systems: A Study on Intra and Outbound Logistics Systems Using Finite Queueing Networks, 2023, Applied Sciences
  • Queueing network models for the analysis and optimisation of material handling systems: a systematic literature review, 2023, Flexible Services and Manufacturing Journal

Smith frequently publishes in journals such as the International Journal of Production Research and the Flexible Services and Manufacturing Journal. Other venues include Applied Sciences, Operations Research Perspectives, and Computers & Operations Research.

Frequent collaborators include Mohamed Amjath, Laoucine Kerbache, Shao-Hui Xi, Qingxin Chen, and Ning Mao.

In addition to journal articles, Smith has published books, including a volume titled Combinatorial, Linear, Integer and Nonlinear Optimization Apps released in 2021 by Springer International Publishing.

Best Publications

  • Topological network design of pedestrian networks

    David H. Mitchell;J. MacGregor Smith

  • The generalized expansion method for open finite queueing networks

    Laoucine Kerbachea;J. MacGregor Smith

  • The buffer allocation problem for general finite buffer queueing networks

    J. Macgregor Smith;F. R. B. Cruz

  • Generalized M/G/C/C state dependent queueing models and pedestrian traffic flows

    Jen Yeng Cheah;Jen Yeng Cheah;J. MacGregor Smith

  • Buffer space allocation in automated assembly lines

    J. MacGregor Smith;Sophia Daskalaki

  • Modeling circulation systems in buildings using state dependent queueing models

    Steven J. Yuhaski;J. Macgregor Smith

  • Path-distance heuristics for the Steiner problem in undirected networks

    Pawel Winter;J. MacGregor Smith

  • Advances in Steiner trees

    Dingzhu Du;J. M. Smith;J. H. Rubinstein

  • Multi-objective routing within large scale facilities using open finite queueing networks

    Laoucine Kerbache;J.MacGregor Smith

  • State-dependent queueing models in emergency evacuation networks

    J. MacGregor Smith

  • Asymptotic behavior of the expansion method for open finite queueing networks

    Laoucine Kerbache;MacGregor J. Smith

  • Large production line optimization using simulated annealing

    D. Spinellis;C. Papadopoulos;J. MaCgregor Smith

  • M/G/c/K blocking probability models and system performance

    J. MacGregor Smith

  • An O(n log n) Heuristic for Steiner Minimal Tree Problems on the Euclidean Metric

    J. Macgregor Smith;D. T. Lee;Judith S. Liebman

  • RESOURCE ALLOCATION IN STATE-DEPENDENT EMERGENCY EVACUATION NETWORKS

    David L. Bakuli;J. MacGregor Smith

  • Approximate analysis of M/G/c/c state-dependent queueing networks

    F. R. B. Cruz;J. MacGregor Smith

  • An M/G/C/C state-dependent network simulation model

    F. R. B. Cruz;J. MacGregor Smith;R. O. Medeiros

  • An algorithm for the generalized quadratic assignment problem

    Peter M. Hahn;Bum-Jin Kim;Monique Guignard;J. Macgregor Smith

  • Service and capacity allocation in M/G/c/c state-dependent queueing networks

    F. R. B. Cruz;J. MacGregor Smith;D. C. Queiroz

  • Introduction to Queueing Networks: Theory ∩ Practice

    Unknown

  • The generalized expansion method for open finite queueing networks

    Laoucine Kerbache;J.Macgregor Smith

Frequent Co-Authors

Youngnam Han
Youngnam Han Korea Advanced Institute of Science and Technology
Monique Guignard
Monique Guignard University of Pennsylvania
William B. Rouse
William B. Rouse Georgetown University
John A. Buzacott
John A. Buzacott York University
Diomidis Spinellis
Diomidis Spinellis Athens University of Economics and Business
Der-Tsai Lee
Der-Tsai Lee Academia Sinica

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