World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
56
Citations
9817
World Ranking
744
National Ranking
38

Engineering and Technology

D-Index
56
Citations
9857
World Ranking
2886
National Ranking
580

Xiaoqi Yang 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 Xiaoqi Yang 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: 82 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: 303 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Xiaoqi Yang 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 Xiaoqi Yang 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: 137 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: 56 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Overview

Xiaoqi Yang is affiliated with Hong Kong Polytechnic University in China and has focused research contributions primarily in the fields of Mathematics and Computer Science. Their work spans several key areas including optimization, numerical analysis, computational theory, and computational mechanics.

The researcher has published extensively with 53 publications in Mathematics and 46 in Computer Science, with notable subfields of study including computational theory and mathematics, numerical analysis, computational mechanics, molecular biology, and mathematical physics.

Their main research topics cover a range of specialized fields:

  • Optimization and Variational Analysis
  • Advanced Optimization Algorithms Research
  • Sparse and Compressive Sensing Techniques
  • Numerical methods in inverse problems
  • Fixed Point Theorems Analysis
  • Contact Mechanics and Variational Inequalities
  • Land Use and Ecosystem Services

Xiaoqi Yang has frequently published in well-known venues with repeated contributions to arXiv (Cornell University), SSRN Electronic Journal, Journal of Global Optimization, Optimization, and SIAM Journal on Optimization. These venues reflect a focus on applied mathematics and optimization research.

Their notable recent papers include:

  • Toward green equity: An extensive study on urban form and green space equity for shrinking cities (2023), Sustainable Cities and Society
  • Quality changes of duck meat during thermal sterilization processing caused by microwave, stepwise retort, and general retort heating (2022), Frontiers in Nutrition
  • Ultrafast self-powered CsPbCl3 ultraviolet photodetectors with choline chloride for surface passivation and charge transport regulation (2023), Journal of Materials Chemistry C
  • In situ construction of ultra-thin PANI/CeOx layer on proton exchange membrane for enhanced oxidation resistance in PEMFC (2023), Journal of Membrane Science
  • Linear convergence of inexact descent method and inexact proximal gradient algorithms for lower-order regularization problems (2020), Journal of Global Optimization

Collaborative research with frequent co-authors includes:

  • Kaiwen Meng, with whom Xiaoqi Yang has co-authored 8 papers
  • Wenfang Yao (6 papers)
  • Shaohua Pan (5 papers)
  • Yaohua Hu (5 papers)
  • Yuqia Wu (4 papers)

The scientist's interdisciplinary involvement, spanning topics from urban green equity to thermal processing of food products, alongside core work in mathematical optimization, highlights a diverse research portfolio. Their publications reflect engagements with both theoretical frameworks and practical applications across fields.

Best Publications

  • Vector Optimization: Set-valued and Variational Analysis

    Guang-ya Chen;Xuexiang Huang;Xiaoqi Yang

  • Coordination of supply chains by option contracts: A cooperative game theory approach

    Yingxue Zhao;Yingxue Zhao;Shouyang Wang;T.C.E. Cheng;Xiaoqi Yang

  • 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

  • A class of nonconvex functions and pre-variational inequalities

    Xiaoqi Yang;Guang Ya Chen

  • A Nonlinear Scalarization Function and Generalized Quasi-vector Equilibrium Problems

    G. Y. Chen;X. Q. Yang;H. Yu

  • Lagrange-type functions in constrained non-convex optimization

    Aleksandr Moiseevich Rubinov;Xiaoqi Yang

  • Characterizations and applications of prequasi-invex functions

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

  • Power penalty method for a linear complementarity problem arising from american option valuation

    Song Wang;X.Q. Yang;K.L. Teo

  • On vector variational inequalities: application to vector equilibria

    X. Q. Yang;C. J. Goh

  • A Unified Augmented Lagrangian Approach to Duality and Exact Penalization

    X. X. Huang;X. Q. Yang

  • Second-order duality for nonlinear programming

    X. M. Yang;X. M. Yang;Xiaoqi Yang;K. L. Teo;S. H. Hou

  • Vector variational inequality and its duality

    X.Q. Yang

  • Generalized Levitin--Polyak Well-Posedness in Constrained Optimization

    X. X. Huang;X. X. Huang;X. Q. Yang

  • Vector complementarity and minimal element problems

    X. Q. Yang

  • Decreasing Functions with Applications to Penalization

    A. M. Rubinov;B. M. Glover;X. Q. Yang

  • Vector variational inequality and vector pseudolinear optimization

    X. Q. Yang

  • On Gap Functions for Vector Variational Inequalities

    Guang-ya Chen;Chuen-Jin Goh;Xiao Qi Yang

  • Generalized convex functions and vector variational inequalities

    X. Q. Yang

  • Gap Functions and Existence of Solutions to Set-Valued Vector Variational Inequalities

    Xiaoqi Yang;J. C. Yao

Frequent Co-Authors

Kok Lay Teo
Kok Lay Teo Sunway University
Vaithilingam Jeyakumar
Vaithilingam Jeyakumar University of New South Wales
Xiang Peng
Xiang Peng Shenzhen University
Jen-Chih Yao
Jen-Chih Yao China Medical University
T.C.E. Cheng
T.C.E. Cheng Hong Kong Polytechnic University
Qamrul Hasan Ansari
Qamrul Hasan Ansari King Fahd University of Petroleum and Minerals
Xiaoqiang Cai
Xiaoqiang Cai Chinese University of Hong Kong
Yu-Hong Dai
Yu-Hong Dai Chinese Academy of Sciences
Xun Yu Zhou
Xun Yu Zhou Columbia University
Zhimin Huang
Zhimin Huang Adelphi University

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