Research published in April 2026
What the tracked finance, accounting, economics, management, operations research and AI journals published in April 2026, by publication date in OpenAlex. This page is a fixed monthly record: its address does not change. Counts can still grow a little as late papers are indexed, and citations are updated daily. Also as Markdown.
← March 2026 · All months · May 2026 →
Key findings#
- In April 2026, the tracked journals published 4,268 papers (finance 645, accounting 81, economics 819, management 466, operations research 494, AI 1,763).
- The most frequent keywords were “China” (151), “large language models” (151) and “Chinese listed companies” (109).
- Compared with their share in the twelve months before, the keywords that grew most were “generative AI” (44 papers, +18), “Mamba” (33 papers, +14) and “retrieval-augmented generation” (23 papers, +14).
- The institutions with the most papers were Chinese Academy of Sciences (78), Hong Kong Polytechnic University (59) and Zhejiang University (56).
- China was involved in 48% of the papers.
- The most-cited paper published that month is “Graph Neural Networks for Graphs With Heterophily: A Survey” (IEEE Transactions on Knowledge and Data Engineering), with 110 citations so far.
Papers by category#
| Category | Papers |
|---|---|
| Finance | 645 |
| Accounting | 81 |
| Economics | 819 |
| Management | 466 |
| Operations Research | 494 |
| AI | 1,763 |
Top keywords#
| # | Keyword | Papers |
|---|---|---|
| 1 | China | 151 |
| 2 | large language models | 151 |
| 3 | Chinese listed companies | 109 |
| 4 | graph neural networks | 80 |
| 5 | corporate governance | 72 |
| 6 | financial constraints | 72 |
| 7 | contrastive learning | 67 |
| 8 | state-owned enterprises | 62 |
| 9 | emerging markets | 55 |
| 10 | digital transformation | 51 |
| 11 | COVID-19 pandemic | 50 |
| 12 | diffusion models | 49 |
| 13 | explainable AI | 49 |
| 14 | class imbalance | 47 |
| 15 | artificial intelligence | 46 |
Growing keywords#
| Keyword | Papers | At earlier share | Extra papers |
|---|---|---|---|
| generative AI | 44 | 26.3 | +17.7 |
| Mamba | 33 | 18.5 | +14.5 |
| retrieval-augmented generation | 23 | 8.7 | +14.3 |
| cross-modal alignment | 23 | 9.4 | +13.6 |
| multimodal large language models | 23 | 11.4 | +11.6 |
| semantic segmentation | 28 | 16.5 | +11.5 |
| low-rank adaptation | 16 | 4.8 | +11.2 |
| foreign direct investment | 23 | 13.0 | +10.0 |
| black-box attacks | 12 | 3.0 | +9.0 |
| domain generalization | 26 | 17.1 | +8.9 |
Top keywords by category#
| Category | Most frequent keywords |
|---|---|
| Finance | Chinese listed companies (78); China (68); financial constraints (54); corporate governance (49); state-owned enterprises (45) |
| Accounting | corporate governance (11); accounting education (5); China (4); Chinese listed companies (4); audit quality (4) |
| Economics | China (66); innovation (21); COVID-19 pandemic (19); economic growth (18); CO2 emissions (17) |
| Management | generative AI (22); digital transformation (20); emerging markets (18); purchase intention (18); multinational corporations (17) |
| Operations Research | mixed-integer linear programming (22); multi-objective optimization (22); demand uncertainty (19); makespan minimization (13); last-mile delivery (11) |
| AI | large language models (126); graph neural networks (76); contrastive learning (64); diffusion models (48); multimodal fusion (45) |
Institutions#
| # | Institution | Papers |
|---|---|---|
| 1 | Chinese Academy of Sciences | 78 |
| 2 | Hong Kong Polytechnic University | 59 |
| 3 | Zhejiang University | 56 |
| 4 | Tsinghua University | 53 |
| 5 | Shanghai Jiao Tong University | 51 |
| 6 | Sun Yat-sen University | 48 |
| 7 | University of Electronic Science and Technology of China | 48 |
| 8 | Xi'an Jiaotong University | 47 |
| 9 | Wuhan University | 46 |
| 10 | Harbin Institute of Technology | 44 |
Countries#
| # | Country | Papers |
|---|---|---|
| 1 | China | 2,043 |
| 2 | United States | 589 |
| 3 | United Kingdom | 310 |
| 4 | Germany | 191 |
| 5 | Italy | 188 |
| 6 | Australia | 177 |
| 7 | Hong Kong | 172 |
| 8 | France | 162 |
| 9 | South Korea | 132 |
| 10 | India | 127 |
Journals#
| # | Journal | Papers |
|---|---|---|
| 1 | Expert Systems with Applications | 337 |
| 2 | Pattern Recognition | 244 |
| 3 | Knowledge-Based Systems | 181 |
| 4 | Finance research letters | 160 |
| 5 | International Review of Economics & Finance | 156 |
| 6 | Neural Networks | 131 |
| 7 | Neural Computing and Applications | 111 |
| 8 | Information Fusion | 99 |
| 9 | IEEE Transactions on Pattern Analysis and Machine Intelligence | 92 |
| 10 | Information Processing & Management | 81 |
Equations and models#
| # | Equation or model | Papers |
|---|---|---|
| 1 | Graph neural network (graph convolution) | 30 |
| 2 | Linear and integer programming | 25 |
| 3 | Scaled dot-product attention (Transformer) | 25 |
| 4 | Contrastive loss (InfoNCE) | 13 |
| 5 | Convolutional neural network (CNN) | 6 |
| 6 | Structural equation modeling (SEM) | 6 |
| 7 | Denoising diffusion model | 5 |
| 8 | Gradient descent | 5 |
| 9 | Shapley value (SHAP) | 5 |
| 10 | Kullback-Leibler divergence | 4 |
Datasets#
| # | Dataset | Papers |
|---|---|---|
| 1 | CIFAR-10 / CIFAR-100 | 6 |
| 2 | ImageNet | 5 |
| 3 | nuScenes / Waymo Open / Argoverse | 5 |
| 4 | Skeleton and pose (NTU RGB+D, Human3.6M) | 3 |
| 5 | MS COCO | 2 |
| 6 | YouTube / TikTok | 2 |
| 7 | Airbnb | 1 |
| 8 | Cityscapes | 1 |
| 9 | MNIST / Fashion-MNIST | 1 |
| 10 | PASCAL VOC | 1 |
Most-cited papers published in April 2026#
← March 2026 · All months · May 2026 →
Cite this page
Scholar4AI. (2026). Research published in April 2026. Journal Research Rankings. Retrieved October 26, 2026, from https://scholar4ai.com/reports/2026-04
@misc{scholar4ai-reports-2026-04,
author = {{Scholar4AI}},
title = {Research published in April 2026},
year = {2026},
howpublished = {\url{https://scholar4ai.com/reports/2026-04}},
urldate = {2026-10-26},
note = {Journal Research Rankings; data from OpenAlex (CC0); licensed CC BY-NC 4.0}
}