World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
32
Citations
15030
World Ranking
3088
National Ranking
201

Computer Science

D-Index
32
Citations
15030
World Ranking
12839
National Ranking
814

Adam N. Letchford 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 Adam N. Letchford 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: 207 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Adam N. Letchford 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 Adam N. Letchford 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

Adam N. Letchford is affiliated with Lancaster University in the United Kingdom and has a research profile focused on engineering and computer science, with particular attention to industrial and manufacturing engineering as well as computational theory and mathematics.

The scientist's work covers several specialized subfields, including:

  • Industrial and Manufacturing Engineering
  • Computational Theory and Mathematics
  • Computer Networks and Communications
  • Organizational Behavior and Human Resource Management
  • Control and Systems Engineering

Research topics central to Adam N. Letchford's publications highlight optimization and algorithms, particularly in:

  • Vehicle Routing Optimization Methods
  • Optimization and Packing Problems
  • Advanced Manufacturing and Logistics Optimization
  • Advanced Graph Theory Research
  • Complexity and Algorithms in Graphs
  • Scheduling and Optimization Algorithms
  • Optimization and Search Problems

Frequent publication venues for this researcher include:

  • Operations Research Letters
  • Computers & Operations Research
  • Networks
  • Discrete Optimization
  • Journal of the Operational Research Society

Adam N. Letchford has collaborated regularly with several co-authors, including:

  • Thu Huong Dang
  • Burak Boyacı
  • Konstantinos Kaparis
  • Sebastian Cáceres Gelvez
  • Ioannis Mourtos

Recent research articles authored or co-authored by Adam N. Letchford span a range of topics and venues:

  • Operational Research: methods and applications (2023), Journal of the Operational Research Society
  • Newsvendor problems: An integrated method for estimation and optimisation (2021), European Journal of Operational Research
  • A cut-and-branch algorithm for the Quadratic Knapsack Problem (2020), Discrete Optimization
  • Vehicle routing on road networks: How good is Euclidean approximation? (2020), Computers & Operations Research
  • A survey on exact algorithms for the maximum flow and minimum-cost flow problems (2023), Networks

Best Publications

  • Theory of Linear and Integer Programming

    Alexander Schrijver

  • A new branch-and-cut algorithm for the capacitated vehicle routing problem

    Jens Lysgaard;Adam N. Letchford;Richard W. Eglese

  • Non-convex mixed-integer nonlinear programming: A survey

    Samuel Burer;Adam N. Letchford

  • Projection results for vehicle routing

    Adam N. Letchford;Juan-José Salazar-González

  • Compact formulations of the Steiner Traveling Salesman Problem and related problems

    Adam N. Letchford;Saeideh D. Nasiri;Dirk Oliver Theis

  • A polyhedral approach to the single row facility layout problem

    André Renato Sales Amaral;Adam N. Letchford

  • Separation algorithms for 0-1 knapsack polytopes

    Konstantinos Kaparis;Adam N. Letchford

  • On Nonconvex Quadratic Programming with Box Constraints

    Samuel Burer;Adam N. Letchford

  • Multistars, partial multistars and the capacitated vehicle routing problem

    Adam N. Letchford;Richard W. Eglese;Jens Lysgaard

  • On the separation of split cuts and related inequalities

    Alberto Caprara;Adam N. Letchford

  • On the separation of maximally violated mod-k cuts

    Alberto Caprara;Matteo Fischetti;Adam N. Letchford

  • Strengthening Chvátal-Gomory cuts and Gomory fractional cuts

    Adam N. Letchford;Andrea Lodi

  • Operational Research: methods and applications

    Unknown

  • A cutting plane algorithm for the General Routing Problem

    Angel Corberán;Adam N. Letchford;José María Sanchis

  • A faster exact separation algorithm for Blossom inequalities

    Adam N. Letchford;Gerhard Reinelt;Dirk Oliver Theis

  • Exploiting sparsity in pricing routines for the capacitated arc routing problem

    Adam N. Letchford;Amar Oukil

  • Stronger multi-commodity flow formulations of the Capacitated Vehicle Routing Problem

    Adam N. Letchford;Juan-José Salazar-González

  • Odd Minimum Cut Sets and $b$-Matchings Revisited

    Adam N. Letchford;Gerhard Reinelt;Dirk Oliver Theis

  • Analysis of upper bounds for the pallet loading problem

    Adam N. Letchford;André Renato Sales Amaral

  • Detecting changes in slope with an L0 penalty

    Paul Fearnhead;Robert Maidstone;Adam Letchford

  • The rural postman problem with deadline classes

    Adam N. Letchford;Richard W. Eglese

  • New inequalities for the General Routing Problem

    Adam N. Letchford

  • Approximation Algorithms: VV Vazirani, Springer-Verlag, 2001. xix + 378 pp. $34.95 ISBN: 3-540-65367-8

    A N Letchford

  • A Branch-and-Cut Algorithm for the Capacitated Open Vehicle Routing Problem

    Adam N. Letchford;Jens Lysgaard;Richard W. Eglese

Frequent Co-Authors

Andrea Lodi
Andrea Lodi Cornell University
Richard W. Eglese
Richard W. Eglese Lancaster University
Juan-José Salazar-González
Juan-José Salazar-González University of La Laguna
Alberto Caprara
Alberto Caprara University of Bologna
Qiang Ni
Qiang Ni Lancaster University
Gerhard Reinelt
Gerhard Reinelt Heidelberg University
David Steurer
David Steurer ETH Zurich
Jean B. Lasserre
Jean B. Lasserre Laboratory for Analysis and Architecture of Systems
Paul Fearnhead
Paul Fearnhead Lancaster University
Matteo Fischetti
Matteo Fischetti University of Padua

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Related Online Degrees & Career Pathways

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Another complementary path is pursuing an MS in data analytics. Mathematics graduates with expertise in analytics and data science are in high demand across industries such as finance, healthcare, and technology, making this a strategic choice for future-proof careers.

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