Special Issues

Symmetry publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Symmetry/Asymmetry in Operations Research
edited by Yunfei Fang and Peng Wu
submission deadline 31 Jul 2025 | 8 articles | Viewed by 13436 | Submission Open
Keywords: supply chains management; production scheduling; routing optimization; transportation planning; intelligent manufacturing; operation management; optimization algorithm; mixed-integer programming
(This special issue belongs to the Section Computer)
Symmetric and Asymmetric Distributions: New Developments and Applications submission deadline 31 Jul 2025 | 6 articles | Viewed by 10046 | Submission Open
Keywords: applications; Bayesian; regression; reliability; simulation; skewness; survival analysis
(This special issue belongs to the Section Engineering and Materials)
Applications of Symmetry in Computational Biology
edited by Siqi Liang and Siwei Chen
submission deadline 31 Jul 2025 | 4 articles | Viewed by 6625 | Submission Open
Keywords: symmetry; asymmetry; computational biology; macromolecular structure; drug discovery; genomics; developmental biology; group theory; network dynamics; computational neuroscience; synthetic biology
(This special issue belongs to the Section Life Sciences)
Symmetry and Asymmetry in Nonlinear Partial Differential Equations submission deadline 31 Jul 2025 | 6 articles | Viewed by 6522 | Submission Open
Keywords: symmetry; asymmetry; partial differential equations; numerical methods; approximate methods; exact solutions
(This special issue belongs to the Section Mathematics)
Mechanics of Heterogeneous Solids and Structures submission deadline 31 Jul 2025 | 2 articles | Viewed by 4629 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry in Integrable Systems: Topics and Advances
edited by
submission deadline 31 Jul 2025 | 4 articles | Viewed by 4459 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Topological Phases
edited by Tian Chen, Daohong Song and Fuchuan Lei
submission deadline 31 Jul 2025 | 3 articles | Viewed by 4228 | Submission Open
Keywords: symmetry/asymmetry in new topological phases; non-Hermitian system; non-Euclidean geometry condition; topological functional devices; machine learning
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Sustainable Transport and Logistics
edited by Yiwei Wu and Jingwen Qi
submission deadline 31 Jul 2025 | 1 articles | Viewed by 2875 | Submission Open
Keywords: symmetry/asymmetry; sustainable transportation; green logistics; mathematical optimization; eco-friendly routing; sustainable supply chain; renewable energy in transport; advanced analytics; machine learning in logistics; network design and resilience
(This special issue belongs to the Section Mathematics)
Advances in Nonlinear Systems and Symmetry/Asymmetry
edited by and Zhongkui Sun
submission deadline 31 Jul 2025 | 3 articles | Viewed by 2733 | Submission Open
Keywords: nonlinear systems; coupled oscillators; complex networks; complex systems; synchronization; pattern formation; phase transitions
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Manufacturing and Machining of Advanced Materials
edited by and Zibin Wu
submission deadline 31 Jul 2025 | 1 articles | Viewed by 1452 | Submission Open
Keywords: casting; spray forming; additive manufacturing; semi-solid forming; extrusion; forging; rolling; drawing; bending; welding; solidification; heat treatment; plastic deformation; surface treatment; symmetry; asymmetry
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Evolutionary Computation and Machine Learning
edited by and Leilei Cao
submission deadline 31 Jul 2025 | 2 articles | Viewed by 1286 | Submission Open
Keywords: evolutionary computation; machine learning; swarm intelligence; bio-inspired optimization; pattern classification and clustering analysis; symmetry in evolutionary single-objective and multi-objective optimization; symmetry in regularization techniques; symmetry in data augmentation; symmetry in neural networks and deep learning; symmetry and asymmetric similarity measures
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Thermal Management
edited by Zengguang Sui, Dongxing Song and Zhixiong Ding
submission deadline 31 Jul 2025 | 1 articles | Viewed by 1275 | Submission Open
Keywords: thermal management; heat dissipation; passive cooling; active cooling; advanced materials; thermal interface materials; fluid dynamics; thermodynamics; symmetric/asymmetric design
(This special issue belongs to the Section Engineering and Materials)
Symmetry Problems in Metal Forming
edited by and Rui Ma
submission deadline 31 Jul 2025 | 1 articles | Viewed by 1026 | Submission Open
Keywords: metal forming; material modeling; numerical simulation
Applications Based on Symmetry in Image Processing and Optimization
edited by , Minghua Wang and Jing Yao
submission deadline 31 Jul 2025 | 1 articles | Viewed by 827 | Submission Open
Keywords: remote sensing images; image processing; medical imaging; image reconstruction; image denoising; MRI; X-ray imaging; PET imaging; ultrasound imaging; computational efficiency; applications of symmetry in different image modalities
(This special issue belongs to the Section Computer)
Navigating the Frontiers of 6G Wireless Communication Networks and Beyond
edited by Jamal Belkadid and
submission deadline 31 Jul 2025 | 1 articles | Viewed by 743 | Submission Open
Keywords: wireless network; mimo system; antenna arrays; visible light communication; non-orthogonal multiple access; multiple input multiple output
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Intelligent Control Systems submission deadline 31 Jul 2025 | 1 articles | Viewed by 732 | Submission Open
Keywords: symmetry in control systems; asymmetry in control; intelligent control; adaptive control; nonlinear dynamics; cooperative robotics; sensor fusion; stability and robustness; energy efficiency; networked control systems
(This special issue belongs to the Section Computer)
Symmetry and Renewable Energy
edited by Jianwei Tan and
submission deadline 31 Jul 2025 | 1 articles | Viewed by 704 | Submission Open
Keywords: symmetrical design and mechanism; symmetry and renewable energy; power grids
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Image Processing and Computer Vision Using Embedded Systems
edited by and Santiago Omar Caballero-Morales
submission deadline 31 Jul 2025 | 1 articles | Viewed by 656 | Submission Open
Keywords: image processing; computer vision; embedded systems; object recognition; image segmentation; feature extraction; dynamic environments; hardware integration; real-time applications; machine learning
(This special issue belongs to the Section Computer)
Symmetry and Its Applications in Quantum Optics and Quantum Information
edited by R. Ahl Laamara and Abdallah Slaoui
submission deadline 31 Jul 2025 | Viewed by 636 | Submission Open
Keywords: quantum optics; quantum networks; quantum information; quantum cryptography; quantum communication
(This special issue belongs to the Section Physics)
Applications Based on Symmetry/Asymmetry in Control Engineering
edited by Ricardo López-Gutiérrez
submission deadline 31 Jul 2025 | Viewed by 344 | Submission Open
Keywords: robot; automatic control; system modeling; control algorithm; stability and performance analysis; task execution; human– robot interactions
(This special issue belongs to the Section Engineering and Materials)
Energy Symmetry and Equilibrium Methods in the Optimization and Control of Integrated Energy Systems
edited by Jiawen Li, and
submission deadline 31 Jul 2025 | Viewed by 308 | Submission Open
Keywords: energy symmetry; equilibrium methods; integrated energy systems
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Nonlinearity in Optics submission deadline 31 Jul 2025 | Viewed by 243 | Submission Open
Keywords: classical optics; quantum optics; nonlinear optics; symmetry; PT-symmetry; non-Hermitian systems; nonlinear systems; nonlinear processes; quantum correlations; quantum technologies; classical chaos; quantum chaos
(This special issue belongs to the Section Physics)
Applications of Symmetry in Robotics and Mechanics
edited by Chunxu Tian
submission deadline 31 Jul 2025 | Viewed by 158 | Submission Open
Keywords: symmetry in robotics; symmetric mechanisms; motion planning; kinematic analysis; modular robotics; dynamic optimization; decoupled mechanisms; biomimetic systems; robotic design; symmetry applications
(This special issue belongs to the Section Computer)
Symmetry in Contemporary Cryptography
edited by Fuyou Miao
submission deadline 31 Jul 2025 | Viewed by 157 | Submission Open
Keywords: basic number theory; finite domain foundation; the relationship between common mathematical problems; various cryptography technologies
(This special issue belongs to the Section Computer)
Symmetry in Optimization Methods for Image Processing
edited by Ruirui Li
submission deadline 31 Jul 2025 | Viewed by 126 | Submission Open
Keywords: noise processing; sparse modeling; image segmentation; image classification; bias analysis; embedded systems; and computer vision
(This special issue belongs to the Section Computer)
Symmetry and Supernova Neutrinos in Astroparticle Physics
edited by Amir N. Khan
submission deadline 31 Jul 2025 | Viewed by 100 | Submission Open
Keywords: symmetry; neutrinos; supernova; core collapse; particle physics
(This special issue belongs to the Section Physics)
Recent Advances in Symmetry-Based Approaches to Retrieval-Augmented Generation in Large Language Models
edited by and
submission deadline 1 Aug 2025 | Viewed by 498 | Submission Open
Keywords: RAG; LLMs; symmetry-based approaches; information retrieval; optimization techniques
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Soliton Theory
edited by Soon-Tae Hong
submission deadline 15 Aug 2025 | Viewed by 287 | Submission Open
Keywords: soliton; symmetry and asymmetry; kink and anti-kink; Skyrmion; BRST symmetry; static properties in solitons; topology; path integral
(This special issue belongs to the Section Mathematics)
Mathematical Modeling of the Infectious Diseases and Their Controls submission deadline 31 Aug 2025 | 15 articles | Viewed by 28950 | Submission Open
Keywords: mathematical modeling; infectious diseases; optimal controls; fractional operators; numerical methods
(This special issue belongs to the Section Mathematics)
Symmetry or Asymmetry in Machine Learning
edited by
submission deadline 31 Aug 2025 | 3 articles | Viewed by 18186 | Submission Open
Keywords: machine learning; deep learning; computational statistics; artificial intelligence; data mining
(This special issue belongs to the Section Computer)
Symmetry and Approximation Methods II
edited by
submission deadline 31 Aug 2025 | 5 articles | Viewed by 15413 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry in Graph Algorithms and Graph Theory III
edited by
submission deadline 31 Aug 2025 | 8 articles | Viewed by 13184 | Submission Open
(This special issue belongs to the Section Computer)
New Trends on the Mathematical Models and Solitons Arising in Real-World Problems, 2nd Edition submission deadline 31 Aug 2025 | 10 articles | Viewed by 12747 | Submission Open
Keywords: mathematical physics; partial differential equations; epidemic models; basic reproduction number; fractional differential equations; dynamical systems; stability analysis; bifurcation; optimal control
(This special issue belongs to the Section Mathematics)
Computational Intelligence and Soft Computing: Recent Applications—Second Volume
edited by
submission deadline 31 Aug 2025 | 5 articles | Viewed by 11208 | Submission Open
Keywords: computational intelligence; soft computing; fuzzy systems; artificial neural networks; connectionist systems; evolutionary algorithms; memetic algorithms; subjective probability; cognitive systems; deep learning; industrial applications; biomedical applications; logistics applications; environmental science applications; management science applications; decision support applications; image processing applications; modeling and algorithms
(This special issue belongs to the Section Computer)
Symmetry in Intelligent Algorithms
edited by Hongwei Kang and Xinping Sun
submission deadline 31 Aug 2025 | 10 articles | Viewed by 10951 | Submission Open
Keywords: swarm intelligence; evolutionary computation; machine learning; behavioral symmetry; spatial symmetry; genetic algorithms; particle swarm optimization; ant colony optimization; artificial bee colony; genetic programming; differential evolution; neural networks; group-equivariant neural networks; symmetry in neural architectures; fitness evaluation; hybrid algorithms; natural language processing; text analysis; bioinformatics; environmental modeling; optimization problems; algorithm performance; scalability; convergence analysis; diversity in algorithms; hybrid approaches; real-world applications; symmetry
(This special issue belongs to the Section Computer)
Symmetry in Hadron Physics
edited by
submission deadline 31 Aug 2025 | 9 articles | Viewed by 10276 | Submission Open
Keywords: hadrons; quantum chromodynamics; baryon spectrum; meson spectrum; multiquark states; exotic states
(This special issue belongs to the Section Physics)
Chiral Symmetry, and Restoration in Nuclear Dense Matter
edited by Kazuo Tsushima, Anthony Thomas and Myung Ki Cheoun
submission deadline 31 Aug 2025 | 13 articles | Viewed by 9073 | Submission Open
Keywords: chiral symmetry in dense nuclear medium; chiral symmetry restoration; hadron properties; nucleon structure; quantum chromodynamics; compact star structure
(This special issue belongs to the Section Physics)
Symmetry in Power Systems and Thermal Engineering
edited by and Gooi Mee Chen
submission deadline 31 Aug 2025 | 3 articles | Viewed by 8412 | Submission Open
Keywords: thermal power systems; energies; thermal science; thermal engineering; thermal management
(This special issue belongs to the Section Engineering and Materials)
Fuzzy Set Theory and Uncertainty Theory—3rd Edition
edited by , and
submission deadline 31 Aug 2025 | 5 articles | Viewed by 7443 | Submission Open
Keywords: intelligent algorithms for solving fuzzy/uncertain optimization problems; properties of fuzzy optimal solutions; fuzzy linear/non-linear regression; fuzzy/uncertain clustering; fuzzy/uncertain risk management; fuzzy/uncertian reliability analysis; fuzzy/uncertain joint replenishment problem; fuzzy optimization in product design
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Neural Networks
edited by Yufeng Tian and
submission deadline 31 Aug 2025 | 4 articles | Viewed by 7312 | Submission Open
Keywords: neural network model; stability analysis of neural networks; state estimation on neural networks; neural networks and deep learning; neural networks and their applications in robotics
(This special issue belongs to the Section Computer)
Symmetry in Green Technologies: Design, Optimization, and Applications submission deadline 31 Aug 2025 | 3 articles | Viewed by 7144 | Submission Open
Keywords: electricity generation with photovoltaic (PV) panels and/or fuel cell (FC) stacks; symmetric power electronics converters such as double dual topologies; power electronics topologies with symmetric switching ripple cancellation; optimization and management of resources in industrial applications; mathematical models for the optimization of symmetric or balanced phenomena; heuristic optimization algorithms and applications; metaheuristic optimization algorithms and applications; new optimization algorithms and applications; optimization of resources in industrial applications
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Computational Mathematics and Biophysics
edited by
submission deadline 31 Aug 2025 | 3 articles | Viewed by 5863 | Submission Open
Keywords: biophysics; mathematical biology; computational mathematics; mathematical modeling; numerical methods for solving ordinary and partial differential equations; computing algorithms
(This special issue belongs to the Section Mathematics)
Symmetry and Asymmetry in Embedded Systems
edited by Cheng Ji, Chao Wu and Geng Yuan
submission deadline 31 Aug 2025 | 7 articles | Viewed by 5691 | Submission Open
Keywords: edge computing; symmetric system; cloud– edge converged computing; artificial intelligence; power efficiency; training optimization; privacy-preserving; federated learning; transfer learning; lifelong learning
(This special issue belongs to the Section Computer)
Recent Advance in Mathematical Physics II
edited by
submission deadline 31 Aug 2025 | 5 articles | Viewed by 5581 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry and Its Applications in Image Processing
edited by José Luis Vázquez-Noguera, Horacio Legal-Ayala and
submission deadline 31 Aug 2025 | 3 articles | Viewed by 4387 | Submission Open
Keywords: symmetry; image processing; visual data analysis; symmetric algorithms; pattern recognition; computational imaging; symmetry detection; feature extraction; symmetric patterns; symmetry-based transformations
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Ocean Engineering submission deadline 31 Aug 2025 | 2 articles | Viewed by 3576 | Submission Open
Keywords: hydrodynamics; hull design; offshore structure; wave loads; propulsion system; sustainable solution
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Neural Networks and Applications
edited by and
submission deadline 31 Aug 2025 | 2 articles | Viewed by 3506 | Submission Open
Keywords: neural network; artificial intelligence; deep learning; adversarial learning; self-supervised learning; feature engineering
(This special issue belongs to the Section Computer)
Symmetry in Data Sciences and Machine Learning for Multidisciplinary Research submission deadline 31 Aug 2025 | 2 articles | Viewed by 2844 | Submission Open
Keywords: symmetry; asymmetry; data analysis; machine learning; data mining; fault diagnosis; spiking neural networks; swarm intelligence; data distribution
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Image Processing and Computer Vision
edited by and Shuo Yang
submission deadline 31 Aug 2025 | 2 articles | Viewed by 2336 | Submission Open
Keywords: image processing; computer vision; pattern recognition; object detection; image segmentation; deep learning; machine learning; convolutional neural network
(This special issue belongs to the Section Computer)
Recent Advances of Symmetry in Computational Fluid Dynamics
edited by Zhan Ma and
submission deadline 31 Aug 2025 | 2 articles | Viewed by 2303 | Submission Open
Keywords: computational fluid dynamics; numerical simulations; symmetric conditions; aerodynamics; heat transfer; design optimization; machine learning; turbulence modeling
(This special issue belongs to the Section Mathematics)
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