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 in Finite Element Modeling and Its Applications in Underground Space
edited by , Hongliang Liu and Jie Hu
submission deadline 31 Oct 2026 | Viewed by 476 | Submission Open
Keywords: finite element modeling; underground space; symmetry and asymmetry; sustainability and resilience; numerical simulation; field case studies; structural optimization
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in High-Performance Lithium-Ion, Post-Lithium-Ion Batteries, and Supercapacitors
edited by Manuel Otero, Sergio. Alexis Paz, Martín Zoloff Michoff and Guillermina Luque
submission deadline 31 Oct 2026 | Viewed by 431 | Submission Open
Keywords: lithium-ion batteries (LIBs); post-ion lithium batteries; supercapacitors; cycle life enhancement; electrode materials; electrolyte innovations; hybrid energy storage systems; sustainable energy storage materials; charge storage mechanisms; computational modeling
(This special issue belongs to the Section Engineering and Materials)
Symmetries and Applications in Machine Learning
edited by and
submission deadline 31 Oct 2026 | Viewed by 416 | Submission Open
Keywords: machine learning; deep neural networks; invariance; data efficiency; generalization; representation learning; optimization; symmetry
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Electrochemistry
edited by and
submission deadline 31 Oct 2026 | Viewed by 377 | Submission Open
Keywords: symmetry breaking; symmetric cells; Janus/heterostructures; defect engineering; electrocatalysis; CO2 reduction; nitrate reduction; symmetric supercapacitors; redox-flow batteries
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry and Optimization in Advanced Wastewater Treatment and Renewable Energy Systems submission deadline 31 Oct 2026 | Viewed by 376 | Submission Open
Keywords: symmetry in process systems; wastewater treatment; adsorption and electrocoagulation; microalgae bioremediation; process optimization and modeling; renewable energy recovery; system stability and sustainability; hybrid treatment processes
(This special issue belongs to the Section Engineering and Materials)
Application of Symmetry in Natural Language Processing submission deadline 31 Oct 2026 | Viewed by 348 | Submission Open
Keywords: natural language processing; symmetry and asymmetry; word embeddings; semantic parsing; representation learning; large language models; hybrid neural architectures; multilingual NLP; low-resource NLP; predicate inference; lexical substitutability; interpretability; computational efficiency; paraphrase detection
(This special issue belongs to the Section Computer)
Applications Based on Symmetry/Asymmetry in Structural Dynamics: 2nd Edition
edited by Kamran Foroutan
submission deadline 31 Oct 2026 | Viewed by 339 | Submission Open
Keywords: symmetry analysis in structural dynamics; asymmetric structures and vibration modes; utilizing asymmetry in structural dynamics to enhance structural response and stability; investigating the effects of symmetry breaking on vibration modes and modal analysis of complex structural systems; applications of symmetry/asymmetry in structural dynamics; symmetry-based design principles in structural dynamics; exploiting symmetry/asymmetry in structural dynamics to enhance the structural efficiency and load-carrying capacity; dynamic control through structural asymmetry
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Machine Learning for Trustworthy Applications
edited by
submission deadline 31 Oct 2026 | Viewed by 335 | Submission Open
Keywords: symmetry; asymmetry; machine learning algorithms; generative AI; trustworthy AI; explainable and interpretable AI; human-in-the-loop systems; machine learning applications
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Quantum Thermalization
edited by
submission deadline 31 Oct 2026 | Viewed by 322 | Submission Open
Keywords: quantum thermalization; non-ergodic system; strong and weak symmetry; symmetry breaking; symmetry restoration; entanglement asymmetry; quantum Mpemba effect
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Nanomaterials: Advances and Applications submission deadline 31 Oct 2026 | Viewed by 311 | Submission Open
Keywords: symmetry and asymmetry in nanomaterials; anisotropy and symmetry breaking; self-organization systems; asymmetric geometry and compositional gradients; template-assisted nanostructures; anisotropic transport and optical phenomena; nanostructured functional composites; photonic; magnetic; and plasmonic applications; energy and sensing nanodevices; symmetry-engineered materials design
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Plasma and High Energy Physics submission deadline 31 Oct 2026 | Viewed by 306 | Submission Open
Keywords: symmetry and asymmetry in plasma physics; symmetry principles in high-energy physics; spontaneous and explicit symmetry breaking; CP and CPT violation; nonlinear plasma dynamics and turbulence; symmetry in astrophysical and space plasmas; dynamical and chiral asymmetries; effective field theories and symmetry extensions; plasma instabilities and transport processes; symmetry tests beyond the standard model; plasma symmetry; gauge symmetry; symmetry breaking; high-energy astrophysics; magnetohydrodynamics (MHD); particle physics; anomalous transport; topological defects; collective phenomena; fusion plasma stability; AI/machine learning
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry in Hardware Security
edited by Jonti Talukdar
submission deadline 31 Oct 2026 | Viewed by 302 | Submission Open
Keywords: side-channel attacks; hardware trojans; cryptographic accelerators; trusted execution environments; post-quantum cryptography; hardware security testing; fault injection attacks; power analysis; hardware– software co-design; hardware security verification
(This special issue belongs to the Section Computer)
Statistical Physics and Symmetry
edited by Olivier Coquand
submission deadline 31 Oct 2026 | Viewed by 299 | Submission Open
Keywords: scaling relations; ward identities; goldstone theorem; critical dynamics; universality
(This special issue belongs to the Section Physics)
Intelligent Fault Diagnosis for Rotating Machinery: Leveraging Symmetry
edited by
submission deadline 31 Oct 2026 | Viewed by 288 | Submission Open
Keywords: fault diagnosis; anomaly detection; health status monitoring; intelligent maintenance; signal processing; machine learning; deep learning
(This special issue belongs to the Section Engineering and Materials)
Symmetries and Asymmetries in Fluid Dynamics
edited by , Jamal Baliti and
submission deadline 31 Oct 2026 | Viewed by 282 | Submission Open
Keywords: symmetry; asymmetry; fluid dynamics; flow stability; bifurcation; turbulence; pattern formation; Navier– Stokes equations; vortex dynamics; symmetry breaking
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry in Reactor Physics
edited by and Hoai Nam Tran
submission deadline 31 Oct 2026 | Viewed by 282 | Submission Open
Keywords: symmetry principles in reactor physics; symmetry-based modeling and simplification; neutron transport; diffusion problems; use of geometric and mirror symmetries; reactor core and fuel lattice analysis; symmetry-aware numerical methods; Monte Carlo methods
(This special issue belongs to the Section Physics)
Contributions to the Study of Post-Maxwellian Electrodynamics
edited by Patricio Gaete and
submission deadline 31 Oct 2026 | Viewed by 251 | Submission Open
Keywords: quantum electrodynamics; vacuum birefringence; vacuum dichroism; photons-photons scattering; nonlinear electrodynamics; refractive index; radiation; permittivity and susceptibility; post-maxwellian electrodynamics; physics beyond the standard model
(This special issue belongs to the Section Physics)
Symmetric Research in Nonlinear Dynamic System, Bifurcation, and Chaos
edited by , Mingwen Zheng, Muhammad Shahbaz Khan and Jacques Kengne
submission deadline 31 Oct 2026 | Viewed by 248 | Submission Open
Keywords: chaotic system; nonlinear dynamics; symmetry; bifurcation; complex network; chaos control; chaotic application; stability analysis; chaos-based cryptography
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry and Their Applications in Railroad and Highway Engineering submission deadline 31 Oct 2026 | Viewed by 246 | Submission Open
Keywords: symmetry and asymmetry; railroad and highway engineering; transportation systems; structural dynamics and vibration; data science and artificial intelligence
(This special issue belongs to the Section Engineering and Materials)
Symmetry in the Characterization, Synthesis and Modeling of Materials: Topics and Advances
edited by , and Jorge Evaristo Conde Díaz
submission deadline 31 Oct 2026 | Viewed by 242 | Submission Open
Keywords: materials characterization; materials synthesis; nanomaterials; 2d materials; inorganic materials; semiconductor devices; biomaterials; density functional theory (DFT)
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Robotics: Design, Dynamics, and Control submission deadline 31 Oct 2026 | Viewed by 228 | Submission Open
Keywords: symmetry; asymmetry; robotics; robot design; robot dynamics; control systems; autonomous systems; kinematics; intelligent systems
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Smart Computing and Intelligent Systems submission deadline 31 Oct 2026 | Viewed by 228 | Submission Open
Keywords: physics informed machine learning; computational modeling and simulation; complex systems analysis; symmetry methods; deep learning technologies; optimization methods
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry and Software Engineering
edited by
submission deadline 31 Oct 2026 | Viewed by 228 | Submission Open
Keywords: symmetry and asymmetry in software architecture; trade-off analysis and optimization in software systems; symmetry-breaking in distributed and cloud systems; asymmetric performance and scalability patterns; software design patterns and structural symmetry; fault tolerance; reliability; and asymmetric failure modes; security and privacy asymmetry in software engineering; AI-driven analysis of symmetric and asymmetric software behaviors; human– software interaction and socio-technical asymmetry; lifecycle sustainability and evolution of asymmetric software systems
(This special issue belongs to the Section Computer)
Symmetric Applications of Large Language Models in Environmental and Decision-Making
edited by Lisong Zhang and
submission deadline 31 Oct 2026 | Viewed by 225 | Submission Open
Keywords: symmetric large language models; artificial intelligence; symmetric personalised learning; natural language processing; symmetric risk assessment and control; strategic planning support; machine learning algorithms; symmetric sustainable development; intelligent decision support systems
(This special issue belongs to the Section Computer)
Symmetry and Its Application in Electromagnetic Devices submission deadline 31 Oct 2026 | Viewed by 198 | Submission Open
Keywords: symmetry; electromagnetic devices; microwave sensors; metamaterials; artificial intelligence
(This special issue belongs to the Section Engineering and Materials)
Symmetry with Power Systems: Optimization and Control Applications submission deadline 31 Oct 2026 | Viewed by 188 | Submission Open
Keywords: phase balancing optimization; voltage unbalance mitigation; asymmetric fault diagnosis; sequence network analysis; symmetry-aware control algorithms; three-phase power flow; active power filtering; grid synchronization stability; stochastic symmetry management; inverter-based resource (IBR) symmetry
(This special issue belongs to the Section Engineering and Materials)
Symmetry-Driven Design of Bio-Based Polymer Materials
edited by Milica Spasojević Savković
submission deadline 31 Oct 2026 | Viewed by 182 | Submission Open
Keywords: polymer materials; sustainable chemistry; composites; natural polymers; enzyme immobilization; electrochemical deposition
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Membrane Science and Technology
edited by , and
submission deadline 31 Oct 2026 | Viewed by 174 | Submission Open
Keywords: membrane; cells; liquid crystal; interface
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Studies of Symmetry/Asymmetry in Inorganic Chemistry
edited by and
submission deadline 31 Oct 2026 | Viewed by 172 | Submission Open
Keywords: inorganic chemistry; crystallography; symmetry; asymmetry; coordination complexes; organometallics; spectroscopy; supramolecular assemblies; structure– property relationships; chirality
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry/Asymmetry in Thin Films
edited by Tihomir Car
submission deadline 31 Oct 2026 | Viewed by 163 | Submission Open
Keywords: thin films; thin films applications; symmetry breaking; interface effects; topological phases; quantized response; electromagnetic properties; metallic films and alloys; functional coatings; spintronics; low-dimensional systems
(This special issue belongs to the Section Physics)
Symmetry in Numerical Methods submission deadline 31 Oct 2026 | Viewed by 162 | Submission Open
Keywords: numerical methods in ODEs and PDEs; numerical solutions to fractional differential equations; multi-scale modeling; symmetry in discretization; numerical efficiency; computational fluid dynamics; numerical methods in quantum mechanics; machine/deep learning; artificial intelligence; neural networks; time series forecasting
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Computational Fluid Dynamics and Multiphase Flows
edited by
submission deadline 31 Oct 2026 | Viewed by 159 | Submission Open
Keywords: computational fluid dynamics (CFD); symmetry and symmetry breaking; multiphase flows; flow instabilities and bifurcation; interface dynamics; turbulence– multiphase interaction; numerical modeling; data assimilation and data-assisted methods; surrogate and reduced-order modeling
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Nonlinear Optical Processes
edited by
submission deadline 31 Oct 2026 | Viewed by 155 | Submission Open
Keywords: nonlinear optics; symmetry breaking; light– matter interaction; wave propagation; photonic systems
(This special issue belongs to the Section Physics)
Symmetry in Aeronautics: Simulation and Experimental Applications in Real-World Flow Conditions
edited by Claudio Pasquali
submission deadline 31 Oct 2026 | Viewed by 143 | Submission Open
Keywords: symmetry; aerodynamics; ground effect; free surface; cfd; experimental aerodynamics; vehicle aerodynamics; sailing yacht aerodynamics; boundary conditions; flow physics  
(This special issue belongs to the Section Engineering and Materials)
Integral/Differential Equations and Symmetry
edited by and
submission deadline 15 Nov 2026 | 3 articles | Viewed by 2946 | Submission Open
Keywords: lie symmetry analysis; differential equations; integral equations; symmetry methods; integrable systems; nonlinear waves; invariant solutions; conservation laws; nonlocal symmetries
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Digital Image Processing
edited by and
submission deadline 16 Nov 2026 | 2 articles | Viewed by 2231 | Submission Open
Keywords: digital image processing; target recognition and classification; image generation; deep neural networks; artificial intelligence; remote sensing; deep learning
(This special issue belongs to the Section Computer)
Applications Based on AI in Mathematics and Asymmetry/Symmetry
edited by
submission deadline 30 Nov 2026 | 7 articles | Viewed by 19398 | Submission Open
Keywords: AI algorithms; symmetry; asymmetry; formal method; global optimization; extremal configuration
(This special issue belongs to the Section Mathematics)
Applications Based on Symmetry and Asymmetry in Deep Learning and Artificial Intelligence Methods
edited by Changshuo Wang, and Meiqing Wu
submission deadline 30 Nov 2026 | 5 articles | Viewed by 12257 | Submission Open
Keywords: point cloud symmetry; neural network architecture; symmetry-aware feature learning; 3D shape analysis; computer vision symmetry; deep learning invariance; geometric deep learning; symmetry detection; vision transformers; symmetrical pattern recognition
(This special issue belongs to the Section Computer)
Advances in Machine Learning and Symmetry/Asymmetry
edited by and Hongbin Liu
submission deadline 30 Nov 2026 | 6 articles | Viewed by 9197 | Submission Open
Keywords: machine learning; iIterative algorithm; heuristic method; efficiency; symmetry constrained optimization; process monitoring; fault diagnosis
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Image Processing and Computer Vision Using Embedded Systems
edited by and Santiago Omar Caballero-Morales
submission deadline 30 Nov 2026 | 4 articles | Viewed by 7882 | 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)
2025 9th International Conference on Electronic Information Technology and Computer Engineering
edited by Xin Luo and
submission deadline 30 Nov 2026 | 2 articles | Viewed by 5373 | Submission Open
Keywords: digital signal processing; sensor technology; embedded systems; digital communication technologies; satellite communication technologies; wireless network communication technologies; mobile communication; computer network communications; signal and image processing; multimedia technology; semiconductor devices; optical networks; communication; computer applications; photovoltaic system; power electronics; radio frequency; automation; virtual instrumentation; grid computing; robotics; information remote sensing; numerical analysis; operating systems; programming paradigms; quantum computing theory; scientific computing; computer programming; database management systems; evolutionary computation; logic programming; machine learning; software engineering; software testing; symbolic mathematics; advanced adaptive signal processing; spectrum estimation and modeling; TF spectrum analysis and wavelet analysis; higher-order spectral analysis; adaptive filtering and signal processing; array signal processing; hardware implementation for signal processing; speech and audio coding; speech synthesis and recognition; image processing and understanding; information ocean technology; PDE for image processing; video compression and streaming; computer vision and VR; multimedia and human– computer interactions; statistic learning and pattern recognition; AI and neural networks; communication signal processing; SP for internet and wireless communication
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Optimization Algorithms and System Control
edited by , , Gang Yuan, and
submission deadline 30 Nov 2026 | 3 articles | Viewed by 3459 | Submission Open
Keywords: control methods; data encryption; information security; optimization algorithms; discrete event modeling and simulation; production scheduling; system control
(This special issue belongs to the Section Computer)
Symmetry in Lie Groups and Lie Algebras
edited by and
submission deadline 30 Nov 2026 | 4 articles | Viewed by 3347 | Submission Open
Keywords: Lie groups and Lie algebras; representation theory; integrable systems; infinitesimal deformations; symbolic computations
(This special issue belongs to the Section Mathematics)
Evolutionary Computation, Metaheuristics, Nature-Inspired Algorithms, and Symmetry: 2nd Edition
edited by , Yang Yu and
submission deadline 30 Nov 2026 | 5 articles | Viewed by 3237 | Submission Open
Keywords: evolutionary computation; metaheuristics; nature-inspired algorithms; single-objective optimization; multi-objective optimization; real-world engineering application; intelligent systems; artificial Intelligence
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Large Language Models-Based Natural Language Processing
edited by Jian Liao
submission deadline 30 Nov 2026 | 1 articles | Viewed by 3102 | Submission Open
Keywords: large language models; natural language processing; dataset imbalance; linguistic structures; model robustness; interpretability; bias mitigation; long-range dependencies
(This special issue belongs to the Section Computer)
Symmetry-Aware Generative AI: Emerging Trends and Applications in Intelligent Transportation Systems submission deadline 30 Nov 2026 | 1 articles | Viewed by 2729 | Submission Open
Keywords: symmetry in artificial intelligence; generative AI; smart transportation systems; neural network architectures; symmetric analysis
(This special issue belongs to the Section Computer)
Symmetry in Mathematical Analysis and Applications, 2nd Edition
edited by
submission deadline 30 Nov 2026 | 3 articles | Viewed by 2569 | Submission Open
Keywords: differential equations; functional analysis; mathematical models; computational analysis; applications of mathematical analysis
(This special issue belongs to the Section Mathematics)
Symmetry and Nonlinearity in Optics submission deadline 30 Nov 2026 | 2 articles | Viewed by 2366 | 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)
Symmetry Methods and Applications in Quantum Optics and Quantum Information submission deadline 30 Nov 2026 | 2 articles | Viewed by 1393 | Submission Open
Keywords: quantum correlations; optomagnomechanical system; open quantum system; coherence; quantum thermodynamics; symmetry methods; representation theory; quantum metrology; quantum geometry; quantum teleportation
(This special issue belongs to the Section Physics)
Algebras and Symmetry in Fuzzy Set Theory submission deadline 30 Nov 2026 | 2 articles | Viewed by 1283 | Submission Open
Keywords: fuzzy algebraic systems; fuzzy set symmetry; generalized fuzzy sets; hybrid fuzzy models; algebraic semantics of fuzzy logic; symmetric fuzzy relations; fuzzy equivalence relations; symmetric aggregation operators
(This special issue belongs to the Section Mathematics)
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