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.

Section
Search by Title/Keyword
 
Order results
Display
Results per page
Symmetry or Asymmetry in Cosmology
edited by , and Hsu-Wen Chiang
submission deadline 18 Jun 2026 | Viewed by 440 | Submission Open
Keywords: cosmic inflation; non-gaussianity; modified gravity; effective field theory; cosmological correlators; parity violation; dark matter; dark energy; gravitational waves; large-scale structure
(This special issue belongs to the Section Physics)
Applications of Symmetry/Asymmetry in Artificial Intelligence and Deep Metaheuristics
edited by
submission deadline 30 Jun 2026 | 15 articles | Viewed by 22573 | Submission Open
Keywords: symmetry; asymmetry; Internet of Things (IoT); big data; artificial intelligence; metaheuristic
(This special issue belongs to the Section Computer)
Symmetries of Difference Equations, Special Functions and Orthogonal Polynomials: 3rd Edition
edited by
submission deadline 30 Jun 2026 | 16 articles | Viewed by 21369 | Submission Open
Keywords: orthogonal polynomials; difference equations; symmetries in special functions; symmetries in orthogonal polynomials; symmetries of difference equations; the analytical properties and applications of special functions; inequalities for special functions; the integration of the products of special functions; the properties of ordinary and general families of special polynomials; operational techniques involving special polynomials; classes of mixed special polynomials and their properties; other miscellaneous applications of special functions and special polynomials
(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 30 Jun 2026 | 14 articles | Viewed by 20852 | 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)
The Qualitative Theory of Functional Differential Equations and their Applications
edited by and
submission deadline 30 Jun 2026 | 9 articles | Viewed by 20472 | Submission Open
Keywords: Functional differential equations  ; Delay/neutral/advanced differential equations  ; Ordinary differential equation  ; Difference equation; Partial differential equation  ; Symmetry in differential equations  ; Numerical analysis; numerical modeling  ; Approximation; stability; oscillation; boundedness; periodicity; and asymptotic properties
(This special issue belongs to the Section Mathematics)
Asymmetric Membranes: Volume 2 submission deadline 30 Jun 2026 | 3 articles | Viewed by 20096 | Submission Open
Keywords: asymmetric membranes; inorganic membranes; polymeric membranes; porous membranes; membrane design
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry/Asymmetry in Fuzzy Control submission deadline 30 Jun 2026 | 10 articles | Viewed by 16445 | Submission Open
Keywords: robotics; motion control; embedded systems; fuzzy control; fuzzy sets; fuzzy reasoning; real-time systems
(This special issue belongs to the Section Computer)
Symmetry Energy in Nuclear Physics and Astrophysics submission deadline 30 Jun 2026 | 4 articles | Viewed by 15269 | Submission Open
Keywords: Nuclear symmetry energy; Equation of state; Nuclear structure; Nuclear astrophysics; Heavy ion physics; Neutron-rich nuclei; Nuclear binding energy; Symmetric nuclear matter; Neutron stars
(This special issue belongs to the Section Physics)
Symmetries and Ultra Dense Matter of Compact Stars II: Emergence of Symmetries in Strong Nuclear Correlations
edited by and Chihiro Sasaki
submission deadline 30 Jun 2026 | 6 articles | Viewed by 15265 | Submission Open
Keywords: superdense matter; topology changes; baryon parity-doublet symmetry; Cheshire cat mechanism; hadron-quark duality; emergent hidden symmetries; Weinberg’ s folk theorem; generalized Hohenberg-Kohn density functional; Landau– Migdal Fermi liquid; un-Fermi liquids; speed of sound; conformal symmetry; color superconductivity; neutron superfluidity
(This special issue belongs to the Section Physics)
Symmetry in Thermal Fluid Sciences and Energy Applications submission deadline 30 Jun 2026 | 5 articles | Viewed by 14200 | Submission Open
Keywords: thermal and fluid science; energy production and use; fuels and combustion; diagnostic techniques of measurement; analysis for decision making in industry
(This special issue belongs to the Section Engineering and Materials)
Advances in Mechanics of Rigid and Flexible Systems: Mathematical Models, Numerical Modelling, Experiments, Symmetry and Applications submission deadline 30 Jun 2026 | 6 articles | Viewed by 12171 | Submission Open
Keywords: mechanics; mechanisms; flexible structures; finite element modelling; multibody dynamics; experimental mechanics
(This special issue belongs to the Section Engineering and Materials)
New Advances in Symmetric Cryptography
edited by Xiaoyang Dong
submission deadline 30 Jun 2026 | 6 articles | Viewed by 12110 | Submission Open
Keywords: block cipher; stream cipher; hash function; message authentication codes; authenticated encryption; cryptanalysis
(This special issue belongs to the Section Computer)
Lorentz Symmetry and General Relativity
edited by and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 8844 | Submission Open
Keywords: lorentz symmetry; standard-model extension; modified theories of gravity; physics beyond general relativity; Einstein’ s equivalence principle; experimental tests of gravitational theories
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Wireless Communication and Sensor Networks II
edited by
submission deadline 30 Jun 2026 | 4 articles | Viewed by 8331 | Submission Open
(This special issue belongs to the Section Computer)
Machine Learning and Data Analysis III
edited by
submission deadline 30 Jun 2026 | 3 articles | Viewed by 7469 | Submission Open
Keywords: machine learning; data analysis; process modelling; time series prediction
(This special issue belongs to the Section Computer)
Symmetry in Marine Hydrodynamics: Applications to Ocean Engineering submission deadline 30 Jun 2026 | 3 articles | Viewed by 7131 | Submission Open
Keywords: hydrodynamics; marine structures; hydroelastic response; dynamics of moored platforms; interconnected structures; wave forces; marine aquaculture; effect of seabed topography; nonlinear dynamics; wave energy converter
(This special issue belongs to the Section Engineering and Materials)
Applications of Special Functions in Complex Analysis and Their Symmetries submission deadline 30 Jun 2026 | 7 articles | Viewed by 6902 | Submission Open
Keywords: univalent functions; multivalent functions; special functions; multiplicative calculus; quantum calculus; differential subordination; differential superordination; fuzzy differential subordinations and superordinations
(This special issue belongs to the Section Mathematics)
Symmetry in Chaos Theory and Applications submission deadline 30 Jun 2026 | 4 articles | Viewed by 6836 | Submission Open
Keywords: symmetry in nonlinear and chaotic systems; memristor-based chaotic circuits and networks; multistability and coexisting attractors; fractal and fractional-order chaotic systems; chaos-based encryption and secure communication; symmetry breaking and bifurcation analysis; control and synchronization of symmetric chaos; applications in signal processing and computation
(This special issue belongs to the Section Engineering and Materials)
The Fusion of Fuzzy Sets and Optimization Using Symmetry
edited by
submission deadline 30 Jun 2026 | 6 articles | Viewed by 6082 | Submission Open
Keywords: fuzzy games theory; fuzzy vector optimization; fuzzy goal programming; arithmetics of fuzzy intervals; fuzzification of crisp functions; extension principle
(This special issue belongs to the Section Mathematics)
Applications Based on Symmetry/Asymmetry in Functional Data Analysis
edited by Nengxiang Ling
submission deadline 30 Jun 2026 | 2 articles | Viewed by 6023 | Submission Open
(This special issue belongs to the Section Mathematics)
Model-Driven, Data-Driven and Symmetry Methods in Hyperspectral Image Processing
edited by Yong Chen and Yu-Bang Zheng
submission deadline 30 Jun 2026 | 2 articles | Viewed by 5287 | Submission Open
Keywords: remote sensing; multispectral/hyperspectral image processing; restoration; reconstruction; and fusion; saliency detection and anomaly detection; application in remote sensing; optimization modeling; machine learning and deep learning; symmetry
(This special issue belongs to the Section Computer)
Symmetry in Next-Generation Intelligent Information Technologies
edited by , Si-Nian Jin and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 5178 | Submission Open
Keywords: artificial intelligence; wireless communication; automation control; big data; computer science
Symmetry/Asymmetry in Artificial Intelligence for Point Cloud Data Processing
edited by Wuyong Tao, and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 4933 | Submission Open
Keywords: 3D object recognition; point cloud registration; virtual reality
(This special issue belongs to the Section Computer)
Symmetry in Data Analysis and Optimization
edited by Mingcheng Zuo, Chunliang Zhao and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 4702 | Submission Open
Keywords: symmetry; data analysis; optimization; statistical methods; pattern recognition; algorithm design; multi-objective optimization
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Data Mining & Machine Learning
edited by , and Kuiyu Chen
submission deadline 30 Jun 2026 | 2 articles | Viewed by 4322 | Submission Open
Keywords: data mining; machine learning; symmetry/asymmetry theory and analysis; symmetry/asymmetry property discovery; symmetry/asymmetry-inspired training; symmetry/asymmetry-inspired model; dynamic symmetry-breaking data analysis; multimodal data/signal fusion; data/signal classification and recognition
(This special issue belongs to the Section Computer)
Symmetry and Cosmology
edited by and Leila Lobato Graef
submission deadline 30 Jun 2026 | 3 articles | Viewed by 3816 | Submission Open
Keywords: symmetry; cosmology; early universe; large-scale structure; quantum gravity; effective field theory; cosmological phase transitions; cosmic microwave background; cosmological perturbations
(This special issue belongs to the Section Physics)
Quantum Entanglement and Quantum Information in High Energy Physics
edited by Theodota Lagouri
submission deadline 30 Jun 2026 | 1 articles | Viewed by 3779 | Submission Open
Keywords: quantum entanglement; quantum information; quantum computing; quantum machine learning
(This special issue belongs to the Section Physics)
Symmetry in Nonlinear Interaction of Femtosecond Laser Radiation with Matter
edited by , , Lanhai He and Xi Zhao
submission deadline 30 Jun 2026 | 1 articles | Viewed by 3419 | Submission Open
Keywords: space-time symmetry; strong-field physics; ultrafast spectroscopy; high harmonic generation; nonlinear interaction; time-resolved detection
(This special issue belongs to the Section Physics)
Symmetry and Finite Element Method in Civil Engineering
edited by , Cong Li, and Jian Yang
submission deadline 30 Jun 2026 | 5 articles | Viewed by 3341 | Submission Open
Keywords: symmetry; finite element method; civil engineering; structural optimization; computational mechanics; material modeling; dynamic analysis; sustainable design; multiscale simulation; topology optimization
(This special issue belongs to the Section Engineering and Materials)
Chemistry Using the Symmetry of Crystals
edited by
submission deadline 30 Jun 2026 | 1 articles | Viewed by 3107 | Submission Open
Keywords: crystallography; structural chemistry; crystal structure; symmetry; space group; chirality
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Gravitational Waves and Astrophysics
edited by Shaoqi Hou and Pengming Zhang
submission deadline 30 Jun 2026 | 1 articles | Viewed by 2259 | Submission Open
Keywords: symmetry; gravitational waves; memory effects; soft theorems; infrared triangle; black holes; celestial holography; detection
(This special issue belongs to the Section Physics)
Symmetry and Distributed Power System
edited by and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 2078 | Submission Open
Keywords: distributed power systems; power system symmetry; harmonic detection; fault analysis; state estimation; renewable energy modeling; deep learning
(This special issue belongs to the Section Engineering and Materials)
AI-Driven Optimization Under Symmetry and Uncertainty in Smart Manufacturing Systems submission deadline 30 Jun 2026 | 2 articles | Viewed by 2054 | Submission Open
Keywords: symmetry; uncertainty; optimization; smart manufacturing; Industry 4.0; artificial intelligence; robust optimization; graph neural networks; reinforcement learning; additive manufacturing; digital twins
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Fuzzy Set
edited by Panagiotis Chountas
submission deadline 30 Jun 2026 | 4 articles | Viewed by 1989 | Submission Open
Keywords: fuzzy theory and symmetry; fuzzy decision making; intuitionistic fuzzy sets; multiple-criteria decision-making methods (MCDMs); fuzzy fractional Brownian motion; large language models (LLMs); data and knowledge engineering
(This special issue belongs to the Section Mathematics)
Advances in Microelectromechanical Systems (MEMS) and Asymmetry/Symmetry submission deadline 30 Jun 2026 | 2 articles | Viewed by 1774 | Submission Open
Keywords: microelectromechanical system (MEMS); symmetry/asymmetry; microfabrication; coupled resonators; sensors; actuators; vibration mechanics; dynamics; microfluids; PMUT; accelerometer; electric field sensor; thermometer; mass sensor; quantum dots; phonon– photon interaction; internal resonance; biosensor; energy harvester; microphone
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Biosensors
edited by
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1584 | Submission Open
Keywords: bio-photoelectric sensing; microsensors; trace detection; liquid biopsy; biomarker research; cancer diagnostics; food safety
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Beam–Plasma Physics
edited by Alessio Del Dotto, Alessandro Curcio and Andrei C. Berceanu
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1497 | Submission Open
Keywords: beam (particle or laser)– plasma interaction; plasma wakefield acceleration; inertial fusion; nuclear astrophysics; quantum electrodynamics (QED); beam dynamics in plasma; collective modes; gauge symmetries; plasma-based applications
(This special issue belongs to the Section Physics)
Symmetry in Intelligent Spindle Modelling and Vibration Analysis submission deadline 30 Jun 2026 | 2 articles | Viewed by 1431 | Submission Open
Keywords: intelligent spindle modelling; vibration analysis; chatter detection; symmetry in dynamics; high-performance manufacturing
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Robust Chaos and Chaotification–Theory and Applications submission deadline 30 Jun 2026 | Viewed by 1294 | Submission Open
Keywords: robust chaos; chaotification; S-unimodal maps; hidden attractors; AI methods in modeling chaotic systems; symmetric features (phase diagrams; equilibria; antimonotonicity); chaos applications; chaos symmetric encryption; machine learning techniques for cryptanalysis of chaotic encryption; chaos path planning; chaos PRBG
Studies of Symmetry and Asymmetry in Cryptography
edited by , Shengli Deng and Rui Zhang
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1175 | Submission Open
Keywords: symmetric encryption; asymmetric encryption; confidentiality; secure communication; cryptographic protocols; privacy-preserving technologies; trusted computing; information hiding; cybersecurity; quantum-safe cryptography
(This special issue belongs to the Section Computer)
Selected Papers: The 20th International Conference on Information Security Practice and Experience (ISPEC 2025)
edited by and Hu Xiong
submission deadline 30 Jun 2026 | Viewed by 1157 | Submission Open
Keywords: cryptology; applied cryptography; mobile security; cloud security; access control; privacy enhanced technology; viruses and malware; software security; database security; web security; operating system security; intrusion detection; big data security and privacy; biometric Security; implementation; network security; key management; security and privacy in ubiquitous computing; formal methods for security; digital forensics; security for critical infrastructures; embedded systems security; lightweight security; smart grid security; cyber security for urban transportation; cyber-physical security; cryptocurrency
(This special issue belongs to the Section Computer)
Aerospace Engineering and Symmetry/Asymmetry submission deadline 30 Jun 2026 | 1 articles | Viewed by 1002 | Submission Open
Keywords: symmetry breaking; aerospace engineering; rocket propulsion; electric propulsion; hybrid engines; high-speed aerodynamics; combustion modelling; plasma flows; computational fluid dynamics; additive manufacturing; topology optimisation; flow control; autonomous aerial systems; data-driven simulation; turbulence and transition; experimental analysis
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Control Science submission deadline 30 Jun 2026 | 2 articles | Viewed by 950 | Submission Open
Keywords: symmetry in linear and nonlinear control systems; asymmetry and system robustness; energy-based control methods; passivity systems; modelling; simulation and control of processes and energy systems; identification methods; adaptive control in asymmetric systems; estimation and identification systems
(This special issue belongs to the Section Engineering and Materials)
Internet of Things and Symmetry
edited by
submission deadline 30 Jun 2026 | Viewed by 859 | Submission Open
Keywords: Internet of Things (IoT); symmetry in IoT networks; fault diagnosis and reliability; symmetric encryption; energy-efficient IoT systems; network topology optimization; IoT interoperability; digital twins; sensor fusion; federated learning; geometric symmetry; edge computing; IoT security; symmetrical system design; smart cities and IoT
(This special issue belongs to the Section Computer)
Security and Privacy Protection for Mobile Crowd Sensing
edited by Yining Liu, Feifei Kou, Jiwei Zhang, , and Pengfei Zhang
submission deadline 30 Jun 2026 | 1 articles | Viewed by 804 | Submission Open
Keywords: mobile crowd sensing (MCS); symmetric-key protocols; key management for mobile devices
(This special issue belongs to the Section Computer)
Exploring the Advances in Symmetry and Quantum Field Theory: From Subatomic Interactions to the Early Universe
edited by and Naser Ahmadiniaz
submission deadline 30 Jun 2026 | Viewed by 787 | Submission Open
Keywords: quantum fields (scalar; fermionic; gauge); feynman diagrams and perturbation theory; renormalization (UV divergence; counterterms); path integral formulation; loop corrections; symmetries and conservation laws (Noether's theorem); semi-classical approximation: quantum fields on classical spacetimes; vacuum states in curved spacetimes (Hartle-Hawking; Bunch-Davies); particle creation in curved spacetime (Hawking radiation; Unruh effect); quantum anomalies in early universe dynamics; quantum effects in the cosmic microwave background (CMB)
(This special issue belongs to the Section Physics)
Symmetry and Integrable Systems: Theory, Methods, and Applications
edited by Jipeng Cheng
submission deadline 30 Jun 2026 | Viewed by 714 | Submission Open
Keywords: symmetry; integrable system; soliton; nonlinear wave; hirota bilinear method; tau function; darboux transformation; inverse scattering method; riemannian hilbert problem; random matrices; orthogonal polynomials
(This special issue belongs to the Section Mathematics)
Symmetry-Driven Artificial Intelligence for Logistics and Operations
edited by Asmaa Benghabrit and
submission deadline 30 Jun 2026 | Viewed by 673 | Submission Open
Keywords: supply chains; neural networks; artificial intelligence; predictive analytics; logistic
(This special issue belongs to the Section Computer)
Quantum Symmetries: Structures, Dynamics, and Algebra
edited by
submission deadline 30 Jun 2026 | Viewed by 593 | Submission Open
Keywords: Lie groups and Lie algebra; unitary groups; U(n); Lorentz and Poincaré groups; gauge symmetries and invariance; GUT symmetry; CPT symmetries; spin symmetry; supersymmetry (SUSY); noncommutative geometry; braid groups and its algebra; anyonic statistics and fusion rules; conformal symmetries; spin symmetry; deformed quantum symmetries
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Structural Engineering, Structural Health Monitoring, and Non-Destructive Testing submission deadline 30 Jun 2026 | Viewed by 561 | Submission Open
Keywords: symmetric/asymmetric civil infrastructure; structural engineering; design; analysis; construction; and optimization of structures; structural dynamics; finite element method (FEM)-based modeling/analysis for structures; experiments in lab models and real-life structures; structural health monitoring (SHM); vibration-based global methods; parametric methods: modal strain energy (MSE); modal scale factor (MSF); modal assurance criterion (MAC); etc.; non-parametric methods: fractal dimension (FD); wavelet transform (WT); Shannon entropy index (SEI); etc.; signal analysis/processing; non-destructive testing (NDT); local methods: acoustic emissions (AE); ultrasonic pulse velocity (UPV); X-ray photoelectron spectroscopy (XPS); etc.; methods based on artificial intelligence (AI); machine learning (ML); deep learning (DL); artificial neural networks (ANNs); etc.; damage/fault diagnosis/prognosis in structures
(This special issue belongs to the Section Engineering and Materials)
Back to TopTop