World's Best Scientists 2026 revealed!
Hans Kellerer

Hans Kellerer

D-Index & Metrics

Mathematics

D-Index
34
Citations
10445
World Ranking
2844
National Ranking
36

Hans Kellerer 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 Hans Kellerer 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.

Hans Kellerer 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 Hans Kellerer 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: 34 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

Hans Kellerer is affiliated with the University of Graz in Austria and conducts research primarily in the field of Engineering. Their work focuses extensively on Industrial and Manufacturing Engineering, as well as Computer Networks and Communications.

The scientist has explored a range of topics related to scheduling and optimization algorithms, advanced manufacturing and logistics optimization, and various optimization and search problems. Specific topics include:

  • Scheduling and Optimization Algorithms
  • Advanced Manufacturing and Logistics Optimization
  • Optimization and Search Problems
  • Optimization and Packing Problems
  • Assembly Line Balancing Optimization
  • Vehicle Routing Optimization Methods
  • Distributed and Parallel Computing Systems

Kellerer has contributed publications to several recognized academic venues:

  • Annals of Operations Research
  • Procedia Computer Science
  • Theoretical Computer Science
  • EURO Journal on Transportation and Logistics
  • Journal of Combinatorial Optimization

Some of their recent papers include:

  • "The two-flight low risk helicopter transportation problem under the split pickup scenario," 2023, EURO Journal on Transportation and Logistics
  • "Knapsack problems with position-dependent item weights or profits," 2023, Annals of Operations Research
  • "Heuristic approaches for scheduling jobs and vehicles in a cyclic flexible manufacturing system," 2021, Procedia Computer Science
  • "An improved parametric algorithm on two-machine scheduling with given lower and upper bounds for the total processing time," 2021, Theoretical Computer Science
  • "Preface: New trends on combinatorial optimization for network and logistical applications," 2021, Annals of Operations Research

The scientist frequently collaborates with other researchers, including Imed Kacem, Stanisław Gawiejnowicz, Nir Halman, Martin Gutjahr, and Sophie N. Parragh.

Best Publications

  • Multidimensional Knapsack Problems

    Hans Kellerer;Ulrich Pferschy;David Pisinger

  • Approximability and Nonapproximability Results for Minimizing Total Flow Time on a Single Machine

    Hans Kellerer;T. Tautenhahn;G. Woeginger

  • Semi on-line algorithms for the partition problem

    Hans Kellerer;Vladimir Kotov;Maria Grazia Speranza;Zsolt Tuza

  • Approximation algorithms for knapsack problems with cardinality constraints

    Alberto Caprara;Hans Kellerer;Ulrich Pferschy;David Pisinger

  • Selecting Portfolios with Fixed Costs and Minimum Transaction Lots

    Hans Kellerer;Renata Mansini;M. Grazia Speranza

  • Optimization of cardinality constrained portfolios with a hybrid local search algorithm

    Dietmar Maringer;Hans Kellerer

  • Introduction to NP-Completeness of Knapsack Problems

    Hans Kellerer;Ulrich Pferschy;David Pisinger

  • Approximating Multiobjective Knapsack Problems

    Thomas Erlebach;Hans Kellerer;Ulrich Pferschy

  • The Multiple Subset Sum Problem

    Alberto Caprara;Hans Kellerer;Ulrich Pferschy

  • Fully Polynomial Approximation Schemes for a Symmetric Quadratic Knapsack Problem and its Scheduling Applications

    Hans Kellerer;Vitaly A. Strusevich

  • Improved dynamic programming in connection with an FPTAS for the knapsack problem

    Hans Kellerer;Ulrich Pferschy

  • A New Fully Polynomial Time Approximation Scheme for the Knapsack Problem

    Hans Kellerer;Ulrich Pferschy

  • The Multiple-Choice Knapsack Problem

    Hans Kellerer;Ulrich Pferschy;David Pisinger

  • The exact LPT-bound for maximizing the minimum completion time

    János Csirik;Hans Kellerer;Gerhard Woeginger

  • An efficient fully polynomial approximation scheme for the Subset-Sum problem

    Hans Kellerer;Renata Mansini;Ulrich Pferschy;Maria Grazia Speranza

  • Parallel machine scheduling with job assignment restrictions

    Celia A. Glass;Hans Kellerer

  • Scheduling problems for parallel dedicated machines under multiple resource constraints

    H. Kellerer;V. A. Strusevich

  • Approximation schemes for ordered vector packing problems

    Alberto Caprara;Hans Kellerer;Ulrich Pferschy

  • A Polynomial Time Approximation Scheme for the Multiple Knapsack Problem

    Hans Kellerer

  • The k -partitioning problem

    Luitpold Babel;Hans Kellerer;Vladimir Kotov

  • Algorithms for multiprocessor scheduling with machine release times

    Hans Kellerer

Frequent Co-Authors

Ulrich Pferschy
Ulrich Pferschy University of Graz
Vitaly A. Strusevich
Vitaly A. Strusevich University of Greenwich
David Pisinger
David Pisinger Technical University of Denmark
Gerhard J. Woeginger
Gerhard J. Woeginger RWTH Aachen University
Alberto Caprara
Alberto Caprara University of Bologna
Zsolt Tuza
Zsolt Tuza University of Pannonia
Renata Mansini
Renata Mansini University of Brescia
Franz Rendl
Franz Rendl University of Klagenfurt
Thomas Erlebach
Thomas Erlebach Durham University
Leah Epstein
Leah Epstein University of Haifa

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