OOIR: Observatory of International Research

Papers

(The H4-Index of Mathematics is 69. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
A Hybrid EGARCH–Informer Model with Consistent Risk Calibration for Volatility and CVaR Forecasting	355
Radio Frequency Fingerprint-Identification Learning Method Based-On LMMSE Channel Estimation for Internet of Vehicles	277
Integer Solutions to Some Diophantine Equations of Leech Type with Geometric Applications	197
Improved Large Covariance Matrix Estimation Based on Efficient Convex Combination and Its Application in Portfolio Optimization	185
Evolutionary Game Analysis of SME Social Responsibility Performance under Public Health Emergencies	178
Smart Campus Microgrids towards a Sustainable Energy Transition—The Case Study of the Hellenic Mediterranean University in Crete	168
Remaining Useful Life Prediction Based on Multi-Representation Domain Adaptation	166
Supervised Focused Feature Network for Steel Strip Surface Defect Detection	162
Error Propagation Model Using Jacobian-Torsor Model Weighting for Assembly Quality Analysis on Complex Product	157
Space and Genotype-Dependent Virus Distribution during Infection Progression	155
A Three Stage Optimal Scheduling Algorithm for AGV Route Planning Considering Collision Avoidance under Speed Control Strategy	145
A Switchable Chaotic Oscillator with Multiscale Amplitude/Frequency Control	121
Modified Cox Models: A Simulation Study on Different Survival Distributions, Censoring Rates, and Sample Sizes	118
Staged Resource Allocation Optimization under Heterogeneous Grouping Based on Interval Data: The Case of China’s Forest Carbon Sequestration	115
D-Finite Discrete Generating Series and Their Sections	114
Early Detection of Parkinson’s Disease Using Fusion of Discrete Wavelet Transformation and Histograms of Oriented Gradients	112
On Fractal–Fractional Simpson-Type Inequalities: New Insights and Refinements of Classical Results	111
Toward Optimal Robot Machining Considering the Workpiece Surface Geometry in a Task-Oriented Approach	108
An Attention and Wavelet Based Spatial-Temporal Graph Neural Network for Traffic Flow and Speed Prediction	105
Deterioration Model for Reinforced Concrete Bridge Girders Based on Survival Analysis	105
MLKGC: Large Language Models for Knowledge Graph Completion Under Multimodal Augmentation	103
Enhanced ResNet50 for Diabetic Retinopathy Classification: External Attention and Modified Residual Branch	102
Infrared Small Target Detection Based on Partial Sum Minimization and Total Variation	99
A New Method for Time Normalization Based on the Continuous Phase: Application to Neck Kinematics	99
An Improved Arithmetic Optimization Algorithm for Numerical Optimization Problems	98

Localized Boundary Knot Method for Solving Two-Dimensional Inverse Cauchy Problems	96
Runge–Kutta Embedded Methods of Orders 8(7) for Use in Quadruple Precision Computations	95
Estimation of Reliability Indices for Alpha Power Exponential Distribution Based on Progressively Censored Competing Risks Data	93
Design of Nonlinear Marine Predator Heuristics for Hammerstein Autoregressive Exogenous System Identification with Key-Term Separation	93
Control of a Hydraulic Generator Regulating System Using Chebyshev-Neural-Network-Based Non-Singular Fast Terminal Sliding Mode Method	93
Slope Stability Prediction Using k-NN-Based Optimum-Path Forest Approach	91
Multi-Method Diagnosis of Histopathological Images for Early Detection of Breast Cancer Based on Hybrid and Deep Learning	90
Exact Solutions of Reaction–Diffusion PDEs with Anisotropic Time Delay	89
Dynamic Uncertainty Study of Multi-Center Location and Route Optimization for Medicine Logistics Company	88
Deep Learning-Based Software Defect Prediction via Semantic Key Features of Source Code—Systematic Survey	88
Integrating Fuzzy C-Means Clustering and Explainable AI for Robust Galaxy Classification	86
Analysis of Acoustic Emission Signals Processed with Wavelet Transform for Structural Damage Detection in Concrete Beams	86
Spatial Channel Attention for Deep Convolutional Neural Networks	84
A Concise Relation Extraction Method Based on the Fusion of Sequential and Structural Features Using ERNIE	84
AI-Driven LOPCOW-AROMAN Framework and Topological Data Analysis Using Circular Intuitionistic Fuzzy Information: Healthcare Supply Chain Innovation	82
Tensor Network Space-Time Spectral Collocation Method for Time-Dependent Convection-Diffusion-Reaction Equations	82
Logical Rule-Based Knowledge Graph Reasoning: A Comprehensive Survey	81
The Impact of Missing Continuous Blood Glucose Samples on Machine Learning Models for Predicting Postprandial Hypoglycemia: An Experimental Analysis	81
Prioritization of Preventive Measures: A Multi-Criteria Approach to Risk Mitigation in Road Infrastructure Projects	80
A Deep Learning-Based Approach for a Numerical Investigation of Soil–Water Vertical Infiltration with Physics-Informed Neural Networks	79
FAS-UNet: A Novel FAS-Driven UNet to Learn Variational Image Segmentation	79
An Attention-Based Generative Adversarial Network for Producing Illustrative Sketches	78
Asymptotic Behavior of Three Connected Stochastic Delay Neoclassical Growth Systems Using Spectral Technique	78
A Survey on Big Data Technologies and Their Applications to the Metaverse: Past, Current and Future	77
Brain Tumor Segmentation Using a Patch-Based Convolutional Neural Network: A Big Data Analysis Approach	77
Hydrogen Storage Prediction in Dibenzyltoluene as Liquid Organic Hydrogen Carrier Empowered with Weighted Federated Machine Learning	77
Categories, Quantum Computing, and Swarm Robotics: A Case Study	77
Finite Difference Method to Evaluate the Characteristics of Optically Dense Gray Nanofluid Heat Transfer around the Surface of a Sphere and in the Plume Region	76
A Periodic Mapping Activation Function: Mathematical Properties and Application in Convolutional Neural Networks	76
A Novel EA-Based Techno–Economic Analysis of Charging System for Electric Vehicles: A Case Study of Qassim Region, Saudi Arabia	76
Economic, Ecological and Social Analysis Based on DEA and MCDA for the Management of the Madrid Urban Public Transportation System	76
Approximate Mei Symmetries and Invariants of the Hamiltonian	75
In-Plane Wave Propagation Analysis of Human Breast Lesions Using a Higher-Order Nonlocal Model and Deep Learning	75
A Study on the Effects of Digital Finance on Green Low-Carbon Circular Development Based on Machine Learning Models	75
Mixed ABMs for NDC Pension Schemes in the Presence of Demographic and Economic Uncertainty	75
Authenticated Multi-Party Quantum Private Set Intersection with Single Particles	73
Cloud-Assisted Private Set Intersection via Multi-Key Fully Homomorphic Encryption	72
New Identification Approach and Methods for Plasma Equilibrium Reconstruction in D-Shaped Tokamaks	71
Shunting Inhibitory Cellular Neural Networks with Compartmental Unpredictable Coefficients and Inputs	71
Multi-AGV Flexible Manufacturing Cell Scheduling Considering Charging	70
Coupled Dynamical Systems for Solving Linear Inverse Problems	70
An Overview of Kriging and Cokriging Predictors for Functional Random Fields	70
Risk Diffusion and Control under Uncertain Information Based on Hypernetwork	69
A Dam Deformation Residual Correction Method for High Arch Dams Using Phase Space Reconstruction and an Optimized Long Short-Term Memory Network	69
Deep Red Lesion Classification for Early Screening of Diabetic Retinopathy	69
Correction: Alanazi et al. Photovoltaic Models’ Parameter Extraction Using New Artificial Parameterless Optimization Algorithm. Mathematics 2022, 10, 4617	69
Real-Time Management for an EV Hybrid Storage System Based on Fuzzy Control	69