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  • Article
  • Open Access

3 November 2026

This study focuses on the single-objective day-ahead economic dispatch of grid-connected microgrids. It proposes an asymmetric GE-RTH-SH framework that integrates gradient-guided elite search (GE), Red-Tailed Hawk Optimization (RTH), and SHADE-lite a...

  • Article
  • Open Access
64 Views
66 Pages

29 October 2026

The Graduate Student Evolutionary Algorithm (GSEA) provides a simple population-based optimization framework, but its performance may be limited by unreliable mentor selection, insufficient adaptation of learning behavior, and inadequate utilization...

(This article belongs to the Special Issue Symmetry in Optimization: From Algorithmic Design to Applications)
  • Article
  • Open Access
1 Citations
1,129 Views
24 Pages

21 October 2025

Fossil fuels are crucial to the global energy supply, with pipelines being a vital transportation method. However, these vital assets are highly susceptible to pitting corrosion, an insidious form of degradation that can lead to catastrophic failures...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
6 Citations
1,635 Views
32 Pages

12 October 2025

Research on unmanned aerial vehicle (UAV) path planning technology in urban operation scenarios faces the challenge of multi-objective collaborative optimization. Currently, mainstream path planning algorithms, including the multi-objective particle...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
8 Citations
3,989 Views
18 Pages

18 May 2022

Searchable encryption (SE) is one of the effective techniques for searching encrypted data without decrypting it. This technique can provide a secure indexing mechanism for encrypted data and utilize a secure trapdoor to search for the encrypted data...

(This article belongs to the Special Issue Information Security and Cryptology: Advanced Technologies in Symmetry/Asymmetry)
  • Article
  • Open Access
266 Views
23 Pages

30 September 2026

Generative AI-enabled teaching increasingly requires evaluation mechanisms that can process large candidate indicator sets without being dominated by uneven category frequencies or redundant variables. Existing filter methods are computationally inex...

(This article belongs to the Special Issue Application of Symmetry/Asymmetry and Machine Learning)
  • Review
  • Open Access
47 Citations
4,826 Views
18 Pages

9 April 2019

The lack of positive results in searches for supersymmetric (SUSY) particles at the Large Hadron Collider (LHC) and in direct searches for Weakly Interacting Massive Particles (WIMPs) in the underground experiments may hint to a super-high energy sca...

(This article belongs to the Special Issue Supersymmetric Field Theory 2018)
  • Article
  • Open Access
61 Citations
4,634 Views
29 Pages

24 February 2022

Data clustering is a complex data mining problem that clusters a massive amount of data objects into a predefined number of clusters; in other words, it finds symmetric and asymmetric objects. Various optimization methods have been used to solve diff...

  • Article
  • Open Access
4 Citations
1,557 Views
15 Pages

The Dynamical Asymmetry in SARS-CoV2 Protease Reveals the Exchange Between Catalytic Activity and Stability in Homodimers

  • Velia Minicozzi,
  • Alessandro Giuliani,
  • Giampiero Mei,
  • Leonardo Domenichelli and ,
  • Mauro Parise,
  • Almerinda Di Venere and
  • Luisa Di Paola
  • + 2 authors+ 0 author

22 March 2025

The molecular approach to understanding the mechanisms of emerging diseases, like COVID-19, has largely accelerated the search for successful therapeutical strategies. In this work, we present an extensive molecular dynamics (MD) analysis of two form...

(This article belongs to the Special Issue Application of Computational Studies for Elucidation of Protein Structure and Function)
  • Article
  • Open Access
3 Citations
3,233 Views
28 Pages

28 April 2024

As a classical combinatorial optimization problem, the traveling salesman problem (TSP) has been extensively investigated in the fields of Artificial Intelligence and Operations Research. Due to being NP-complete, it is still rather challenging to so...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Review
  • Open Access
9 Citations
5,285 Views
26 Pages

Stereoselective Syntheses of Organophosphorus Compounds

  • Oleg I. Kolodiazhnyi and
  • Anastasy O. Kolodiazhna

12 March 2024

The review is devoted to the theoretical and synthetic aspects of the stereochemistry of organophosphorus compounds. Organophosphorus compounds are not only widely exist in biologically active pharmaceuticals and agrochemicals, but also have widespre...

(This article belongs to the Collection Feature Papers in Chemistry)
  • Review
  • Open Access
31 Citations
5,543 Views
22 Pages

20 June 2021

Lack of public funding and environmental deterioration are promoting the search for innovative mechanisms enabling to boost farmers’ provision of agri-environmental climate public goods. This work aims to contribute to the current debate by highlight...

(This article belongs to the Special Issue Modelling the Economic, Social and Environmental Components of Natural Resources for Sustainable Management)
  • Article
  • Open Access
11 Citations
3,110 Views
18 Pages

12 October 2022

Aiming at the time-dependent green vehicle routing problem with fuzzy demand, this paper comprehensively considers the dispatch costs, time window penalty costs, fuel costs, and the effects of vehicle travel speed, road gradient, and vehicle load on...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
158 Views
43 Pages

Search-Trajectory Patterns as Feedback for Adaptive Metaheuristic Configuration Control

  • José Villamayor,
  • Lucas Erazo,
  • Ricardo Soto,
  • José Garcia and
  • Emanuel Vega

13 October 2026

Adaptive decisions are often based on algorithm-specific feedback or simple indicators that provide limited information about the evolving search dynamics. This work investigates explicit pattern-based analysis of the search trajectory as a source of...

(This article belongs to the Special Issue Diversity Metrics in Combinatorial Problems)
  • Article
  • Open Access
1 Citations
974 Views
22 Pages

19 December 2025

This paper addresses the issue of safe trajectory tracking for robotic manipulators operating in confined spaces that often exhibit asymmetric geometric structures, such as narrow passages or cluttered obstacle fields. We introduce an innovative mode...

(This article belongs to the Special Issue Advances in Dynamics, Planning and Control of Spacecraft and Related Systems)
  • Review
  • Open Access
179 Views
56 Pages

Stablecoins, Liquidity, and Financial Stability in Crypto Markets

  • Constantinos Challoumis,
  • Nikolaos Eriotis,
  • Dimitrios Vasiliou and
  • Konstantinos Mavrommatis

20 October 2026

The distinction between whether a shock to the market of any asset is a valuation event or a financial stability event lies in the mechanism through which such a shock is translated into demand for liquidity. The aim of this integrative review is to...

  • Feature Paper
  • Article
  • Open Access
675 Views
33 Pages

A Hybrid Memetic Algorithm for Asymmetric Vehicle Routing with Topographic Constraints: Quantifying the Orographic Gap in Mountain Urban Networks

  • Alejandra María Restrepo-Franco,
  • Orlando Valencia-Rodriguez,
  • Eliana Mirledy Toro-Ocampo and
  • Omar Danilo Castrillón-Gómez

22 September 2026

Classical vehicle routing models assume flat, symmetric road networks, yet mountain cities exhibit gravitational asymmetry and steep gradients that invalidate two-dimensional cost estimates and may produce mechanically infeasible routes. This study f...

(This article belongs to the Special Issue Optimization and Evaluation Methods for Complex Transportation Systems)
  • Article
  • Open Access
1 Citations
1,282 Views
41 Pages

19 November 2025

A Multi-Layer Perceptron (MLP), as the basic structure of neural networks, is an important component of various deep learning models such as CNNs, RNNs, and Transformers. Nevertheless, MLP training faces significant challenges, with a large number of...

(This article belongs to the Special Issue Exploration of Bio-Inspired Computing: 2nd Edition)
  • Study Protocol
  • Open Access
8 Citations
2,904 Views
22 Pages

16 October 2024

Path planning is one of the main focal points and challenges in mobile robotics research. Traditional ant colony optimization (ACO) algorithms encounter issues such as low efficiency, slow convergence, and a tendency to become stuck in local optima a...

  • Article
  • Open Access
4 Citations
2,756 Views
13 Pages

5 May 2022

Division of labor in self-organized groups is a problem of both theoretical significance and application value. Many application problems in the real world require efficient task allocation. We propose a model combining bio-inspiration and evolutiona...

(This article belongs to the Topic Dynamical Systems: Theory and Applications)
  • Article
  • Open Access
1 Citations
838 Views
22 Pages

16 November 2025

To enhance the operational performance of mobile manipulators in textile workshops and address the difficulty of inverse kinematics (IK) for this class of redundant manipulators, this paper leverages the robot’s structural symmetries and propos...

(This article belongs to the Special Issue Symmetry-Inspired Approaches in Control, Robotics, and Intelligent Systems)
  • Review
  • Open Access
11 Citations
3,280 Views
19 Pages

Hyperhomocysteinemia (HHcy) influences the development and progression of neurodegenerative disorders in different ways. Homocysteine (Hcy) metabolism is related to that of asymmetric dimethylarginine (ADMA) and group B vitamins. The breakdown of the...

(This article belongs to the Special Issue Potential Prevention and Treatment of Neurodegenerative Disorders)
  • Article
  • Open Access
783 Views
35 Pages

24 December 2025

To address the limitations of the traditional Balancing Composite Motion Optimization (BCMO) algorithm—namely weak directional global exploration, insufficient local exploitation accuracy, and a tendency to fall into local optima with reduced p...

(This article belongs to the Special Issue Symmetry in Mathematical Optimization Algorithm and Its Applications)
  • Review
  • Open Access
368 Views
34 Pages

Robots for Bilateral Upper Limb Rehabilitation in Post-Stroke Patients: A State-of-the-Art Review

  • Jesús Eduardo Cortés Flores,
  • César Humberto Guzmán-Valdivia,
  • Andrés Blanco Ortega,
  • Arturo Abundez Pliego and ,
  • Enrique Alcudia-Zacarías and
  • Héctor Ramón Azcaray Rivera
  • + 1 author+ 0 author

29 September 2026

Bilateral robotic rehabilitation has emerged as a technological approach for promoting coordinated upper-limb training after stroke. This state-of-the-art review critically analyzes bilateral upper-limb rehabilitation robots with emphasis on mechanic...

(This article belongs to the Special Issue Advanced Robotic and Mechatronic Systems for Physical Rehabilitation and Assistive Technologies)
  • Review
  • Open Access
3 Citations
5,094 Views
21 Pages

Eukaryotic cells have distinct membrane-enclosed organelles, each with a unique biochemical signature and specialized function. The unique identity of each organelle is greatly governed by the asymmetric distribution and regulated intracellular movem...

(This article belongs to the Section Molecular Pharmacology)
  • Article
  • Open Access
1 Citations
2,054 Views
16 Pages

SiamUT: Siamese Unsymmetrical Transformer-like Tracking

  • Lingyu Yang,
  • Hao Zhou,
  • Guowu Yuan,
  • Mengen Xia and ,
  • Dong Chen,
  • Zhiliang Shi and
  • Enbang Chen
  • + 2 authors+ 0 author

Siamese networks have proven to be suitable for many computer vision tasks, including single object tracking. These trackers leverage the siamese structure to benefit from feature cross-correlation, which measures the similarity between a target temp...

(This article belongs to the Topic Visual Object Tracking: Challenges and Applications)
  • Article
  • Open Access
1 Citations
896 Views
20 Pages

Discrete-Time Linear Quadratic Optimal Tracking Control of Piezoelectric Actuators Based on Hammerstein Model

  • Dongmei Liu,
  • Xiguo Zhao,
  • Xuan Li,
  • Changchun Wang and ,
  • Li Tan,
  • Xuejun Li and
  • Shuyou Yu
  • + 2 authors+ 0 author

9 October 2025

To address the issue of hysteresis nonlinearity adversely affecting the tracking accuracy of piezoelectric actuators, an improved particle swarm optimization (PSO) algorithm is proposed to improve the accuracy of hysteresis model parameter identifica...

(This article belongs to the Section Process Control, Modeling and Optimization)
  • Review
  • Open Access
3 Citations
3,785 Views
16 Pages

Methodological Considerations in Assessing Interlimb Coordination on Poststroke Gait: A Scoping Review of Biomechanical Approaches and Outcomes

  • Ana G. B. Couto,
  • Mário A. P. Vaz,
  • Liliana Pinho,
  • José Félix and ,
  • Sandra Silva,
  • Augusta Silva and
  • Andreia S. P. Sousa
  • + 2 authors+ 0 author

4 March 2022

Objective: To identify and summarize biomechanical assessment approaches in interlimb coordination on poststroke gait. Introduction: Interlimb coordination involves complex neurophysiological mechanisms that can be expressed through the biomechanical...

(This article belongs to the Special Issue Sensors in Neurophysiology and Neurorehabilitation)
  • Review
  • Open Access
2,729 Views
26 Pages

Is Varicocele Truly Unilateral? Contralateral Involvement and Bilateral Testicular Effects in Male Infertility: A Narrative Review

  • Aris Kaltsas,
  • Andreas Koumenis,
  • Evangelos N. Symeonidis,
  • Fotios Dimitriadis and
  • Nikolaos Sofikitis

4 August 2026

Background/Objectives: Varicocele is usually clinically left-sided, but imaging and mechanistic studies suggest that contralateral venous reflux or bilateral testicular effects may be more common than physical examination indicates. This narrative re...

(This article belongs to the Special Issue Urological Diseases: Updates and Challenges on Personalized Diagnosis, Treatment, and Management)
  • Article
  • Open Access
393 Views
24 Pages

18 August 2026

Lithology prediction is a fundamental component of geological exploration and hydrocarbon reservoir characterization, playing a critical role in improving subsurface structural interpretation and enhancing resource prediction accuracy. However, well...

(This article belongs to the Special Issue Symmetry and Asymmetry Study in Graph Theory II: Graph Intelligence, Distributed Systems, and Embodied AI)
  • Article
  • Open Access
19 Citations
3,294 Views
22 Pages

In this study, a hybrid heading control framework for unmanned surface vehicles (USVs) is proposed, combining variable domain fuzzy Proportional–Integral–Derivative (VUF-PID) with an improved algorithmic Beetle Antennae Search–Parti...

(This article belongs to the Section Ocean Engineering)
  • Article
  • Open Access
24 Citations
3,539 Views
22 Pages

7 June 2025

Photovoltaic (PV) power generation is characterized by high fluctuation and intermittency. The accurate forecasting of PV power is crucial for optimizing grid operation and scheduling. Thus, a novel short-term PV power-forecasting method based on gen...

(This article belongs to the Topic Solar Forecasting and Smart Photovoltaic Systems)
  • Article
  • Open Access
16 Citations
3,591 Views
23 Pages

A Novel Blockchain Approach for Improving the Security and Reliability of Wireless Sensor Networks Using Jellyfish Search Optimizer

  • Viyyapu Lokeshwari Vinya,
  • Yarlagadda Anuradha,
  • Hamid Reza Karimi,
  • Parameshachari Bidare Divakarachari and
  • Venkatramulu Sunkari

25 October 2022

For the past few years, centralized decision-making is being used for malicious node identification in wireless sensor networks (WSNs). Generally, WSN is the primary technology used to support operations, and security issues are becoming progressivel...

(This article belongs to the Special Issue Fault Detection, Diagnosis, and Prognosis Techniques towards System Reliability Enhancement)
  • Article
  • Open Access
15 Citations
5,344 Views
24 Pages

Rank-Based Ant System with Originality Reinforcement and Pheromone Smoothing

  • Sara Pérez-Carabaza,
  • Akemi Gálvez and
  • Andrés Iglesias

5 November 2022

Ant Colony Optimization (ACO) encompasses a family of metaheuristics inspired by the foraging behaviour of ants. Since the introduction of the first ACO algorithm, called Ant System (AS), several ACO variants have been proposed in the literature. Owi...

(This article belongs to the Special Issue Applied Artificial Intelligence (AI))
  • Article
  • Open Access
21 Citations
3,420 Views
25 Pages

15 September 2021

An improved equilibrium optimizer (EO) algorithm is proposed in this paper to address premature and slow convergence. Firstly, a highly stochastic chaotic mechanism is adopted to initialize the population for range expansion. Secondly, the capability...

  • Article
  • Open Access
375 Views
26 Pages

25 May 2026

Efficient exploitation of evolutionary knowledge while preserving population diversity remains a central challenge in optimization. Existing knowledge-learning evolutionary algorithms primarily rely on successful experiences, overlooking structural i...

(This article belongs to the Special Issue Symmetry and Asymmetry in Machine Learning: 2nd Edition)
  • Article
  • Open Access
1 Citations
1,672 Views
20 Pages

8 February 2026

Conversational systems based on large language models (LLMs) are being increasingly used as advisors in mental health and self-regulation contexts, yet causal evidence remains limited about whether such guidance strengthens human agency rather than s...

(This article belongs to the Special Issue Promoting Health Behaviors in the New Media Era)
  • Review
  • Open Access
504 Views
13 Pages

Background/Objectives: Free riding in healthcare occurs when actors benefit from health-related public goods, risk-pooling arrangements, common resources, or cooperative institutions while contributing less than is socially optimal. This review clari...

(This article belongs to the Special Issue Healthcare Economics, Management, and Innovation for Health Systems)
  • Review
  • Open Access
469 Views
49 Pages

Overcoming Oral Mucosal Barriers: Next-Generation Oromucosal Formulation Strategies for Efficient Therapy of Oral Diseases

  • Xincheng Lin,
  • Yichun Zheng,
  • Ziqiao Zhong,
  • Lu Gan and ,
  • Chuanbin Wu,
  • Xin Pan,
  • Wenhao Wang and
  • Ying Huang
  • + 3 authors+ 0 author

29 September 2026

Oral mucosal diseases often lead to structural damage and functional impairment due to high recurrence and malignant progression. Current therapeutic outcomes remain unsatisfactory owing to the complex oral microenvironment. Recent reviews have cover...

(This article belongs to the Special Issue Novel Mucosal and Transdermal Drug Delivery Systems for Disease Treatment)
  • Review
  • Open Access
4 Citations
2,524 Views
17 Pages

15 December 2025

Background: This scoping review systematically maps and synthesises contemporary literature on the biomechanics of active below-knee prosthetic devices, focusing on gait kinematics, kinetics, energy expenditure, and muscle activation. It further eval...

  • Article
  • Open Access
3 Citations
3,370 Views
21 Pages

10 December 2022

Multi-objective particle swarm optimization (MOPSO) algorithms based on angle preference provide a set of preferred solutions by incorporating a user’s preference. However, since the search mechanism is stochastic and asymmetric, traditional MO...

(This article belongs to the Special Issue Algorithms for Optimization 2022)
  • Article
  • Open Access
11 Citations
7,612 Views
19 Pages

Genome-Wide Analysis of a TaLEA-Introduced Transgenic Populus simonii × Populus nigra Dwarf Mutant

  • Hong-Mei Yuan,
  • Su Chen,
  • Lin Lin,
  • Rui Wei and ,
  • Hui-Yu Li,
  • Gui-Feng Liu and
  • Jing Jiang
  • + 2 authors+ 0 author

1 March 2012

A dwarf mutant (dwf1) was obtained among 15 transgenic lines, when TaLEA (Tamarix androssowii late embryogenesis abundant gene) was introduced into Populus simonii × Populus nigra by Agrobacterium tumefaciens-mediated transformation. Under the same g...

  • Article
  • Open Access
493 Views
42 Pages

15 June 2026

In multi-variety, small-batch electric oven manufacturing, sequence-dependent setup times (SDST) and worker skill heterogeneity jointly affect makespan, labor cost, and energy consumption. This study addresses a multi-objective hybrid flow shop sched...

(This article belongs to the Special Issue Symmetry/Asymmetry in Smart Manufacturing)
  • Article
  • Open Access
247 Views
43 Pages

The standard Grey Wolf Optimizer (GWO) suffers from rapid population diversity loss when solving the Traveling Salesman Problem (TSP), leading to premature convergence. This paper proposes the Closed-Loop Adaptive Grey Wolf Optimizer (CLA-GWO), which...

(This article belongs to the Section Biological Optimisation and Management)
  • Review
  • Open Access
45 Citations
19,937 Views
23 Pages

Smart Sensing Chairs for Sitting Posture Detection, Classification, and Monitoring: A Comprehensive Review

  • David Faith Odesola,
  • Janusz Kulon,
  • Shiny Verghese,
  • Adam Partlow and
  • Colin Gibson

5 May 2024

Incorrect sitting posture, characterized by asymmetrical or uneven positioning of the body, often leads to spinal misalignment and muscle tone imbalance. The prolonged maintenance of such postures can adversely impact well-being and contribute to the...

(This article belongs to the Special Issue Advanced Non-Invasive Sensors: Methods and Applications)
  • Review
  • Open Access
11 Citations
7,697 Views
20 Pages

Unilateral versus Bilateral Landing after Spike Jumps in Male and Female Volleyball: A Systematic Review

  • José Afonso,
  • Rodrigo Ramirez-Campillo,
  • Ricardo Franco Lima,
  • Lorenzo Laporta and ,
  • Ana Paulo,
  • Henrique de Oliveira Castro,
  • Gustavo De Conti Teixeira Costa,
  • Antonio García-de-Alcaraz,
  • Rui Araújo and
  • Filipe Manuel Clemente
  • + 7 authors+ 2 authors

17 August 2021

Background: The spike is a key action in volleyball, and the landing technique and its asymmetries are commonly associated with an increased risk of injury. Objectives: The aim of this systematic review was to assess how male and female volleyball pl...

(This article belongs to the Section E: Life Sciences)
  • Review
  • Open Access
749 Views
44 Pages

14 July 2026

Biomarker, the short form of “biological marker”, appeared in the scientific literature in the 1940s. Since then, many different definitions have been suggested, but a generally applicable explanation of the term biomarker in science is e...

(This article belongs to the Topic Biomarkers of Disease: Discovery and Clinical Applications)
  • Review
  • Open Access
947 Views
21 Pages

30 July 2026

Background/Objectives: The evidence base for anticoagulation moved substantially between 2023 and 2026: a reframed atrial fibrillation (AF) guideline, new randomized data on extended treatment of cancer-associated venous thromboembolism (VTE), the fi...

(This article belongs to the Special Issue Advances in Antithrombotic Therapy in Cardiovascular Medicine)
  • Article
  • Open Access
3 Citations
724 Views
25 Pages

Research on Maize Precision Seeding Control Based on RIME-BP-PID

  • Yitian Sun,
  • Haiyang Liu,
  • Yongjia Sun,
  • Xianying Feng and
  • Peng Zhang

29 December 2025

This paper addresses the insufficient speed control accuracy observed in traditional seeding systems. This paper proposes an electric drive seeding control method that incorporates a composite control strategy combining the Rime optimization algorith...

(This article belongs to the Section Automation and Control Systems)
  • Article
  • Open Access
2 Citations
2,804 Views
21 Pages

26 September 2025

The emergence of quantum computing poses significant threats to conventional public-key cryptography, driving the urgent need for quantum-resistant cryptographic solutions. While quantum key distribution addresses secure key exchange, its dependency...

(This article belongs to the Special Issue Digital Security and Privacy Protection: Trends and Applications, 2nd Edition)

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