World's Best Scientists 2026 revealed!
Complexity
H-index 35

Complexity

1076-2787

Published by: Hindawi

https://www.hindawi.com/journals/complexity/

Ranking & Metrics

Discipline name Position Best Scientists Publications D-Index
Mathematics 86 55 92 19
Computer Science 199 154 207 26

Additional Metrics

Number of Best Scientists*: 424
Documents by Best Scientists*: 566
Top 100 Ranked Scientists*: 16
SCIMAGO H-index: 86
SCIMAGO SJR: 0.433
Impact Factor: 1.7

Overview

Top Research Topics at Complexity?

The primary areas of discussion in the journal are Artificial intelligence, Control theory, Nonlinear system, Algorithm and Artificial neural network. It holds forums on Artificial intelligence that merges themes from other disciplines such as Machine learning, Computer vision and Pattern recognition. It focuses on Control theory as well as the interrelated topic of Chaotic.

  • Artificial intelligence (14.55%)
  • Control theory (13.09%)
  • Nonlinear system (8.34%)

What are the most cited papers published in the journal?

  • Agent-based computational models and generative social science (781 citations)
  • Advancing the art of simulation in the social sciences (529 citations)
  • The re-emergence of “emergence”: A venerable concept in search of a theory (396 citations)

Research areas of the most cited articles at Complexity:

The published articles mostly deal with topics like Artificial intelligence, Control theory, Complex system, Nonlinear system and Artificial neural network. The journal papers focus on Artificial intelligence but the discussions also offer insight into other areas such as Natural language processing, Machine learning, Theoretical computer science and Pattern recognition. Issues in Control theory were discussed in the most cited publications, taking into consideration concepts from other disciplines like Chaotic and Fuzzy logic.

Papers citation over time

A key indicator for each journal is its effectiveness in reaching other researchers with the papers published at that venue.

The chart below presents the interquartile range (first quartile 25%, median 50% and third quartile 75%) of the number of citations of articles over time.

The top authors publishing in Complexity (based on the number of publications) are:

  • Peter Schuster (54 papers) absent at the last edition,
  • Harold J. Morowitz (46 papers) absent at the last edition,
  • Alfred Hubler (43 papers) absent at the last edition,
  • John L. Casti (28 papers) absent at the last edition,
  • Carlos Gershenson (22 papers) absent at the last edition.

The overall trend for top authors publishing in this journal is outlined below. The chart shows the number of publications at each edition of the journal for top authors.

Only papers with recognized affiliations are considered

The top affiliations publishing in Complexity (based on the number of publications) are:

  • Chinese Academy of Sciences (99 papers) published 30 papers at the last edition, 14 less than at the previous edition,
  • Shandong University of Science and Technology (89 papers) published 9 papers at the last edition, 25 less than at the previous edition,
  • Northeastern University (China) (68 papers) published 23 papers at the last edition, 2 more than at the previous edition,
  • University of Illinois at Urbana–Champaign (66 papers) published 1 paper at the last edition,
  • Santa Fe Institute (65 papers) absent at the last edition.

The overall trend for top affiliations publishing in this journal is outlined below. The chart shows the number of publications at each edition of the journal for top affiliations.

Publication chance based on affiliation

The publication chance index shows the ratio of articles published by the best research institutions in the journal edition to all articles published within that journal. The best research institutions were selected based on the largest number of articles published during all editions of the journal.

The chart below presents the percentage ratio of articles from top institutions (based on their ranking of total papers).Top affiliations were grouped by their rank into the following tiers: top 1-10, top 11-20, top 21-50, and top 51+. Only articles with a recognized affiliation are considered.

During the most recent 2021 edition, 16.82% of publications had an unrecognized affiliation. Out of the publications with recognized affiliations, 12.05% were posted by at least one author from the top 10 institutions publishing in the journal. Another 6.54% included authors affiliated with research institutions from the top 11-20 affiliations. Institutions from the 21-50 range included 19.97% of all publications and 61.45% were from other institutions.

Returning Authors Index

A very common phenomenon observed among researchers publishing scientific articles is the intentional selection of journals they have already attended in the past. In particular, it is worth analyzing the case when the authors participate in the same journal from year to year.

The Returning Authors Index presented below illustrates the ratio of authors who participated in both a given as well as the previous edition of the journal in relation to all participants in a given year.

Returning Institution Index

The graph below shows the Returning Institution Index, illustrating the ratio of institutions that participated in both a given and the previous edition of the conference in relation to all affiliations present in a given year.

The experience to innovation index

Our experience to innovation index was created to show a cross-section of the experience level of authors publishing in a journal. The index includes the authors publishing at the last edition of a journal, grouped by total number of publications throughout their academic career (P) and the total number of citations of these publications ever received (C).

The group intervals were selected empirically to best show the diversity of the authors' experiences, their labels were selected as a convenience, not as judgment. The authors were divided into the following groups:

  • Novice - P < 5 or C < 25 (the number of publications less than 5 or the number of citations less than 25),
  • Competent - P < 10 or C < 100 (the number of publications less than 10 or the number of citations less than 100),
  • Experienced - P < 25 or C < 625 (the number of publications less than 25 or the number of citations less than 625),
  • Master - P < 50 or C < 2500 (the number of publications less than 50 or the number of citations less than 2500),
  • Star - P ≥ 50 and C ≥ 2500 (both the number of publications greater than 50 and the number of citations greater than 2500).

The chart below illustrates experience levels of first authors in cases of publications with multiple authors.

Top Publications

  • A Machine Learning Approach to Predict Air Quality in California

    Mauro Castelli;Fabiana Martins Clemente;Aleš Popovič;Aleš Popovič;Sara Silva

    (2020)
    269 Citations
  • Lightweight Cryptographic Algorithms for Guessing Attack Protection in Complex Internet of Things Applications

    Mohammad Kamrul Hasan;Muhammad Shafiq;Shayla Islam;Bishwajeet Pandey

    (2021)
    122 Citations
  • New Perspective on the Conventional Solutions of the Nonlinear Time-Fractional Partial Differential Equations

    Hijaz Ahmad;Ali Akgül;Tufail A. Khan;Predrag S. Stanimirović

    (2020)
    86 Citations
  • A New Image Encryption Scheme Based on Hybrid Chaotic Maps

    Ibrahim Yasser;Fahmi Khalifa;Mohamed A. Mohamed;Ahmed Shaban Samrah

    (2020)
    82 Citations
  • Multichannel Deep Attention Neural Networks for the Classification of Autism Spectrum Disorder Using Neuroimaging and Personal Characteristic Data

    Ke Niu;Ke Niu;Jiayang Guo;Yijie Pan;Xin Gao

    (2020)
    77 Citations
  • Modified Variational Iteration Algorithm-II: Convergence and Applications to Diffusion Models

    Hijaz Ahmad;Tufail A. Khan;Predrag S. Stanimirović;Yu-Ming Chu

    (2020)
    77 Citations
  • Method of Depression Classification Based on Behavioral and Physiological Signals of Eye Movement

    Mi Li;Lei Cao;Qian Zhai;Peng Li

    (2020)
    73 Citations
  • Modified Whale Optimization Algorithm for Solar Cell and PV Module Parameter Identification

    Xiaojia Ye;Wei Liu;Hong Li;Mingjing Wang

    (2021)
    61 Citations
  • Impulsive Switching Epidemic Model with Benign Worm Defense and Quarantine Strategy

    Jiying Lai;Shujing Gao;Yujiang Liu;Xinzhu Meng

    (2020)
    57 Citations
  • Keywords-Driven and Popularity-Aware Paper Recommendation Based on Undirected Paper Citation Graph

    Hanwen Liu;Huaizhen Kou;Chao Yan;Lianyong Qi

    (2020)
    56 Citations

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Best Scientists Contributing to This Journal