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Electronics and Electrical Engineering
Malaysia
2026
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Mathematics
Malaysia
2026

D-Index & Metrics

Mathematics

D-Index
76
Citations
23552
World Ranking
192
National Ranking
1

Electronics and Electrical Engineering

D-Index
67
Citations
18798
World Ranking
1072
National Ranking
4

Kok Lay Teo 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 Kok Lay Teo 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: 857 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Kok Lay Teo 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 Kok Lay Teo 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: 76 D-Index — 95th percentile

95% 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

  • 2026 - Research.com Electronics and Electrical Engineering in Malaysia Leader Award
  • 2026 - Research.com Mathematics in Malaysia Leader Award
  • 2025 - Research.com Electronics and Electrical Engineering in Malaysia Leader Award
  • 2025 - Research.com Mathematics in Malaysia Leader Award

Overview

Kok Lay Teo is affiliated with Sunway University in Malaysia and has a research portfolio primarily focused on engineering and computer science. Their work spans across multiple subfields and topics related to system optimization and stability analysis.

Their main fields of study include:

  • Engineering
  • Computer Science

Within these fields, Kok Lay Teo specializes in the following subfields:

  • Control and Systems Engineering
  • Computational Theory and Mathematics
  • Numerical Analysis
  • Management Science and Operations Research
  • Computer Networks and Communications

The primary research topics covered in their work are:

  • Advanced Control Systems Optimization
  • Optimization and Variational Analysis
  • Stability and Control of Uncertain Systems
  • Risk and Portfolio Optimization
  • Advanced Optimization Algorithms Research
  • Fractional Differential Equations Solutions
  • Neural Networks Stability and Synchronization

Kok Lay Teo has published scientific papers in various academic venues, with frequent publications in:

  • Journal of Industrial and Management Optimization
  • Journal of Optimization Theory and Applications
  • Journal of the Franklin Institute
  • Automatica
  • Applied Mathematics and Computation

Selected recent papers authored or co-authored by Kok Lay Teo include:

  • Hierarchical stability conditions for time-varying delay systems via an extended reciprocally convex quadratic inequality, 2020, Journal of the Franklin Institute
  • Monotone-delay-interval-based Lyapunov functionals for stability analysis of systems with a periodically varying delay, 2021, Automatica
  • New insights on stability of sampled-data systems with time-delay, 2020, Applied Mathematics and Computation
  • A Hybrid Offline Optimization Method for Reconfiguration of Multi-UAV Formations, 2020, IEEE Transactions on Aerospace and Electronic Systems
  • Relaxed stability criteria of time-varying delay systems via delay-derivative-dependent slack matrices, 2023, Journal of the Franklin Institute

Kok Lay Teo's frequent co-authors include:

  • Changjun Yu
  • Song Wang
  • Chongyang Liu
  • Volker Rehbock
  • Zhaohua Gong

In addition to journal articles, Kok Lay Teo has contributed to academic books published by Springer International Publishing and Book Publisher International (a part of SCIENCEDOMAIN International). Notable titles include Applied and Computational Optimal Control (2021) and Theory and Practice of Mathematics and Computer Science Vol. 5 (2020).

Best Publications

  • A unified computational approach to optimal control problems

    Kok Lay Teo;C. Goh;K. Wong

  • A Unified Computational Approach to Optimal Control Problems

    K. L. Teo

  • Control parametrization: a unified approach to optimal control problems with general constraints

    C. J. Goh;K. L. Teo

  • A new looped-functional for stability analysis of sampled-data systems

    Hong-Bing Zeng;Kok Lay Teo;Yong He

  • Optimal control of distributed parameter systems

    N. U. Ahmed;K. L. Teo

  • Chromatic Polynomials and Chromaticity of Graphs

    F. M. Dong;Khee Meng Koh;K.L. Teo

  • Guidance Laws with Finite Time Convergence

    Di Zhou;Sheng Sun;Kok Lay Teo

  • THE CONTROL PARAMETERIZATION METHOD FOR NONLINEAR OPTIMAL CONTROL: A SURVEY

    Qun Lin;Ryan Loxton;Kok Lay Teo

  • Optimal Control of Drug Administration in Cancer Chemotherapy

    Rory Martin;K. L. Teo

  • Generalized invexity and generalized invariant monotonicity

    X.M. Yang;X.Q. Yang;K.L. Teo

  • Portfolio Optimization Under a Minimax Rule

    Xiaoqiang Cai;Kok-Lay Teo;Xiaoqi Yang;Xun Yu Zhou

  • Kalman filtering for multiple time-delay systems

    Xiao Lu;Huanshui Zhang;Wei Wang;Kok-Lay Teo

  • Brief paper: Optimal control problems with a continuous inequality constraint on the state and the control

    R. C. Loxton;K. L. Teo;V. Rehbock;K. F. C. Yiu

  • Sampled-data-based dissipative control of T-S fuzzy systems

    Hong-Bing Zeng;Kok Lay Teo;Yong He;Wei Wang;Wei Wang

  • THE CONTROL PARAMETERIZATION ENHANCING TRANSFORM FOR CONSTRAINED OPTIMAL CONTROL PROBLEMS

    K. L. Teo;L. S. Jennings;Heung Wing Joseph Lee;V. Rehbock

  • A review of methods and algorithms for optimizing construction scheduling

    Jingyang Zhou;Peter E. D. Love;Xiangyu Wang;Kok Lay Teo

  • Characterizations and applications of prequasi-invex functions

    X. M. Yang;X. M. Yang;X. Q. Yang;K. L. Teo

  • A new computational algorithm for functional inequality constrained optimization problems

    K. L. Teo;V. Rehbock;L. S. Jennings

  • Control parametrization enhancing technique for time optimal control problems

    H.W.J. Lee;K.L. Teo;Leslie Jennings;V. Rehbock

  • Brief paper: Optimal control problems with multiple characteristic time points in the objective and constraints

    R. C. Loxton;K. L. Teo;V. Rehbock

Frequent Co-Authors

Xiaoqi Yang
Xiaoqi Yang Hong Kong Polytechnic University
Ryan Loxton
Ryan Loxton Curtin University
Antonio Cantoni
Antonio Cantoni University of Western Australia
Victor Sreeram
Victor Sreeram University of Western Australia
N. U. Ahmed
N. U. Ahmed University of Ottawa
Fei Liu
Fei Liu Jiangnan University
Sven Nordholm
Sven Nordholm Curtin University
Xiangyu Wang
Xiangyu Wang Curtin University
Xinzhi Liu
Xinzhi Liu University of Waterloo
Michael E. Fisher
Michael E. Fisher University of Maryland, College Park

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