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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Scheduling, Planning, Decision and Games in Intelligent Dynamic Robotics
edited by , Zhiguo Shi, Yulian Jiang and
submission deadline 30 Nov 2025 | 1 articles | Viewed by 695 | Submission Open
Keywords: symmetric robotics; sensing and control; information fusion; data analysis; Bayesian optimization; stochastic operations; game theory; reinforcement learning; neural networks; task allocation; trajectory planning; swarm intelligence; multi-agent system; ground-based mobile robots; unmanned aerial vehicles; flying robots; space robots; submarine robots; deep space exploration vehicles; navigation; guidance and control
(This special issue belongs to the Section Computer)
Symmetry in Deep Learning Networks and Its Applications in the Real World
edited by , Zhuang Li and
submission deadline 30 Nov 2025 | 1 articles | Viewed by 532 | Submission Open
Keywords: deep learning; symmetry in engineering problems; deep learning networks with symmetrical structure; optimization of deep neural networks; optimization methods in engineering; design of deep neural networks; the application of deep learning in engineering
(This special issue belongs to the Section Computer)
Advances of Asymmetry/Symmetry in High Energy Physics
edited by , and Paulo José Ferreira Porfírio da Silva
submission deadline 30 Nov 2025 | 1 articles | Viewed by 515 | Submission Open
Keywords: anomalies in QFT; supersymmetry; baryogenesis; spontaneous and explicit symmetry breaking; Lorentz and CPT violation; space-time symmetries; renormalization and symmetries; standard model extension
(This special issue belongs to the Section Physics)
Symmetry in Graphene and Nanomaterials
edited by Jie Wang and Xiaodong Xia
submission deadline 30 Nov 2025 | 1 articles | Viewed by 510 | Submission Open
Keywords: graphene; mechanical property; electrical property; nanocomposites; interfacial effect; agglomeration; percolation threshold
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Control System and Dynamical System
edited by
submission deadline 30 Nov 2025 | Viewed by 509 | Submission Open
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in IoT Security
edited by Yue Zhang and Shan Wang
submission deadline 30 Nov 2025 | Viewed by 483 | Submission Open
Keywords: IoT system; security; symmetric encryption; asymmetric decryption; data privacy
(This special issue belongs to the Section Computer)
Symmetry in Stochastic Models for Machine Learning Applications: Theoretical Insights and Applications
edited by , Renata Avros and Dvora Toledano-Kitai
submission deadline 30 Nov 2025 | 1 articles | Viewed by 448 | Submission Open
Keywords: symmetry; probability theory; stochastic processes; statistical distributions; pattern recognition; data analysis; clustering; optimization techniques; artificial intelligence; machine learning; deep learning; dynamic systems; symmetry-aware algorithms; symmetry-based optimization; symmetry-preserving transformations; symmetry-induced regularization; statistical modeling
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Additive Manufacturing
edited by Jinliang Zhang and Wenchao Ke
submission deadline 30 Nov 2025 | Viewed by 418 | Submission Open
Keywords: symmetry; asymmetry; additive manufacturing; material development; structure design; process optimization; manufacturing system
(This special issue belongs to the Section Engineering and Materials)
Symmetry Breaking in Nonlinear Mechanics submission deadline 30 Nov 2025 | Viewed by 208 | Submission Open
Keywords: symmetry/asymmetry systems; chaos and bifurcation analyses; nonlinear dynamics and vibrations; discrete and continuous systems; metamaterial and meta-structures; nonlinear phenomena and complex systems
(This special issue belongs to the Section Engineering and Materials)
Power Supply-Demand Asymmetry and Power Quality Issues in High-Renewable Energy Power Systems
edited by and
submission deadline 30 Nov 2025 | Viewed by 195 | Submission Open
Keywords: voltage sag; harmonic responsibility; harmonic power; supraharmonic; integrated energy system; power quality data; power flow analysis; interference modeling; power quality analysis; multi-energy flow coupling; hydrogen storage characteristics; electric carbon market
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry in Condensed Matter Physics
edited by Jiansong Pan, Tao Yu and Wenyuan Liu
submission deadline 30 Nov 2025 | Viewed by 173 | Submission Open
Keywords: symmetry breaking; phase transition; topological materials; magnetism; computational methods; material design
(This special issue belongs to the Section Physics)
Deep Learning and Deep Learning Synergy of Transformers and Symmetry in Small Object Detection and Tracking
edited by Fengping An, and Chuyang Ye
submission deadline 30 Nov 2025 | Viewed by 154 | Submission Open
Keywords: deep learning; image processing; object recognition; artificial intelligence
Symmetries in Quantum Control and Quantum Error Correction and Their Applications: 100 Years of Quantum Mechanics Developments
edited by Marco Enríquez, and
submission deadline 30 Nov 2025 | Viewed by 134 | Submission Open
Keywords: quantum dynamics control; control and geometry of quantum states; symmetries in quantum optics; control and quantum error correction in quantum communication; control in quantum error mitigation; methods of quantum dynamics solving to impose quantum control; control on quantum systems in condensed matter; quantum indefiniteness; quantum entanglement control; geometric phases in quantum systems; algebraic methods in quantum mechanics; mathematical foundations on quantum control
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Wireless Communications and Signal Processing
edited by and Dhanushka Priyankara Kudathanthirige
submission deadline 30 Nov 2025 | Viewed by 128 | Submission Open
Keywords: symmetric and asymmetric wireless networks; MIMO and beamforming optimization; adaptive resource allocation; spectrum sharing and coexistence; machine learning for wireless networks; full-duplex communication; interference management strategies; security and privacy in wireless systems; signal processing for asymmetric channels; heterogeneous network optimization
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Research and Innovation on the Internet of Things
edited by and Ponciano Jorge Escamilla-Ambrosio
submission deadline 30 Nov 2025 | Viewed by 109 | Submission Open
Keywords: network security; mathematical models; symmetric and asymmetric cryptography; mobile and web applications; trust management; cryptanalysis; decentralized technologies
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Dynamical Systems
edited by Eduardo Campos Mercado, Jesús Guerrero Tavares and Víctor Moreno Oliva
submission deadline 30 Nov 2025 | Viewed by 105 | Submission Open
Keywords: mathematical modeling; power converter systems; wind energy; control theory; control algorithms; robotics; nonlinear systems; optical techniques; optical instrumentation; solar energy
(This special issue belongs to the Section Mathematics)
Topics in Nanocomposites and Magnetic Materials: Symmetric/Asymmetric Applications
edited by Mohammed Al Bahri and Fatma Al Ma'Mari
submission deadline 30 Nov 2025 | Viewed by 86 | Submission Open
Keywords: nanocomposites; magnetic materials; symmetry; asymmetry; spintronics; magnetic storage; energy storage; synthesis techniques; properties tuning; functional applications
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Autonomous Robotics submission deadline 30 Nov 2025 | Viewed by 77 | Submission Open
Keywords: symmetry in robotics; asymmetry in autonomous systems; robotic locomotion and manipulation; motion planning algorithms; sensor placement optimization; perception of autonomous robots; control strategies for robotics; machine learning in robotics; human– robot interaction; adaptive robotic design
(This special issue belongs to the Section Computer)
Symmetry and Wireless Communication Technologies
edited by Yun-Peng Lyu, Feng Huang and Qianwen Liu
submission deadline 30 Nov 2025 | Viewed by 77 | Submission Open
Keywords: wireless communication system; microwave/millimeter-wave components and circuits; antenna technology; electromagnetic metasurface; 6G wireless communications
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Composite Materials and Its Applications
edited by Long Chen
submission deadline 30 Nov 2025 | Viewed by 68 | Submission Open
Keywords: composite materials; multiscale simulation analysis for composite materials; design of composite materials; functional composite materials; fiber-reinforced polymers; optimization design
(This special issue belongs to the Section Engineering and Materials)
Advances in Biomechanics and Sport Sciences: Exploring Symmetry and Asymmetry in Human Movement submission deadline 30 Nov 2025 | Viewed by 67 | Submission Open
Keywords: human motion analysis; biomechanics; sports performance; physical activity; muscular asymmetry; motor control; injury prevention; exercise physiology; asymmetry of kinetics and kinematics; movement disorders
(This special issue belongs to the Section Life Sciences)
Challenges and New Trends in Optimization and Control Theory in the Era of AI: Analysis, Modelling, and Symmetrical Mathematical Methods submission deadline 1 Dec 2025 | 2 articles | Viewed by 3912 | Submission Open
Keywords: symmetric methods for solving fractional and ordinary differential equations; fractals and fractional calculus; PDE: deterministic; stochastic; and fuzzy; symmetrical/asymmetrical models in biomathematics; symmetry analysis and methods; optimization; control theory; AI and ML
(This special issue belongs to the Section Computer)
Symmetry and the Nanoscale: Matter and Mind - Mathematical Modeling and Phenomenology
edited by
submission deadline 1 Dec 2025 | 2 articles | Viewed by 2695 | Submission Open
Keywords: Symmetry; Principles of symmetry; Discrete symmetries; Matter; Mind; Consciousness; Nanoscale; Nanophysics; Nanostructures; Mathematical modeling; Multiscale methods; Nano-neuroscience; Quantum effects; Relativistic effects; Entropic effects; Synchronicity; Phenomenology; Space; Time; Space-time; Holism
(This special issue belongs to the Section Physics)
Unlocking the Power of Probability and Statistics for Symmetry submission deadline 1 Dec 2025 | Viewed by 817 | Submission Open
Keywords: artificial intelligence; bioinformatics; machine learning; multivariate analysis; probability; statistics; stochastic modeling; symmetry
(This special issue belongs to the Section Mathematics)
Modern Trends of Lorentz Symmetry and Lorentz Violation II
edited by
submission deadline 1 Dec 2025 | Viewed by 386 | Submission Open
Keywords: tests of relativity; Lorentz symmetry; Lorentz violation; quantum gravity; physical kinematics; CPT symmetry; very special relativity; standard Model Extension
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry: Shaping the Future of Power Grids
edited by Arturo R. Messina
submission deadline 1 Dec 2025 | Viewed by 340 | Submission Open
Keywords: controllability and observability; grid stability; power grids; power system dynamics; symmetry/asymmetry; re-silient grid infrastructure; risk assessment; robustness
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Computer Network Design: Innovations in Security and Communication
edited by Peyman Teymoori and Toktam Ramezanifarkhani
submission deadline 15 Dec 2025 | Viewed by 227 | Submission Open
Keywords: symmetrical and recursive network architecture design principles; security-by-design frameworks in network architectures/protocols; symmetry applications in 6G and IoT networks; Recursive InterNetwork Architecture (RINA) and its security implications; symmetrical topologies for enhancing fault tolerance and resilience; algorithmic approaches to symmetrical network configurations and optimization
(This special issue belongs to the Section Computer)
Symmetry-Driven Artificial Intelligence for Logistics and Operations
edited by Asmaa Benghabrit and
submission deadline 30 Dec 2025 | Viewed by 107 | Submission Open
Keywords: supply chains; neural networks; artificial intelligence; predictive analytics; logistic
(This special issue belongs to the Section Computer)
Simulation and Modelling in Natural Sciences, Biomedicine and Engineering III
edited by
submission deadline 31 Dec 2025 | 10 articles | Viewed by 34782 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetric and Asymmetric Data in Solution Models, Part II submission deadline 31 Dec 2025 | 6 articles | Viewed by 32274 | Submission Open
Keywords: Symmetry and asymmetry particularities in sustainable development modelling; Symmetry and asymmetry particularities in economics and business modelling; Symmetry and asymmetry particularities in public; environmental; and occupational health; Symmetry and asymmetry particularities in engineering and technology; Symmetric and asymmetric information properties for extreme situation modelling; Data mining and integration of symmetric and asymmetric information; Description of symmetric and asymmetric data in models; Multiple-criteria problem solution models with certainly and vague determined data; Symmetric and asymmetric risks of problems; Hybrid problem solution models; Fuzzy sets; Intuitionistic fuzzy sets; Neutrosophic sets; Rough sets; Grey systems; Novel descriptions of sets; Computer-aided problem solution
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Medicinal Chemistry
edited by
submission deadline 31 Dec 2025 | 6 articles | Viewed by 20477 | Submission Open
Keywords: Chirality; Drugs; Natural compounds; Synthesis; Analysis; Pharmacophore; Targets; In silico/in vitro/in vivo studies; Asymmetry in nanosciences; Legislation and guidelines; Chemical biology
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Advanced Studies of Symmetry/Asymmetry in Cybersecurity
edited by Konglin Zhu and Pengcheng Wang
submission deadline 31 Dec 2025 | 9 articles | Viewed by 18405 | Submission Open
(This special issue belongs to the Section Computer)
The Qualitative Theory of Functional Differential Equations and their Applications
edited by and
submission deadline 31 Dec 2025 | 9 articles | Viewed by 15884 | 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)
Data Driven and Intelligent Aerospace and Robotics Systems submission deadline 31 Dec 2025 | 6 articles | Viewed by 13928 | Submission Open
(This special issue belongs to the Section Computer)
Symmetry Application in Motor Control in Sports and Rehabilitation submission deadline 31 Dec 2025 | 5 articles | Viewed by 13584 | Submission Open
Keywords: assessment of symmetry and its clinical relevance; body symmetry and the performance of activities of daily living; sports performance and symmetry; symmetry and sports injury prevention; fall prevention and symmetry in postural alignment and bodyweight distribution; role of sidedness; handedness; and footedness in motor control; effects of clinical interventions on symmetry in people with neurologic or musculoskeletal conditions
(This special issue belongs to the Section Life Sciences)
Symmetry in Computing Algorithms and Applications
edited by Lei Yue and
submission deadline 31 Dec 2025 | 9 articles | Viewed by 12651 | Submission Open
Keywords: symmetries of complex manufacturing systems; Artificial Intelligence (AI) in production scheduling; fuzzy computing; data analytics for manufacturing; cloud computing for manufacturing; predictive maintenance; real-time monitoring and control; supply chain optimization; computing applications; smart decision support for industry
(This special issue belongs to the Section Computer)
Symmetry in Classical and Quantum Gravity and Field Theory
edited by
submission deadline 31 Dec 2025 | 5 articles | Viewed by 11572 | Submission Open
Keywords: classical and quantum gravity; quantum field theory; symmetry and group theory; classical and quantum cosmology; classical and quantum black holes lie groups; diffeomorphisms; constrained and gauge systems; path integral and BRST quantization
(This special issue belongs to the Section Physics)
Symmetry in Finite Element Modeling and Mechanics submission deadline 31 Dec 2025 | 6 articles | Viewed by 11007 | Submission Open
Keywords: theoretical and computational mechanics; finite element modeling; damage and fracture mechanics; geometric modeling; numerical methods; continuum mechanics; boundary conditions
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Combinatorics and Discrete Mathematics
edited by
submission deadline 31 Dec 2025 | 9 articles | Viewed by 10467 | Submission Open
Keywords: infinite or finite groups; semigroups; designs and configurations; enumerative combinatorics; determinants and permanents; combinatorial sequences
(This special issue belongs to the Section Mathematics)
Skewed (Asymmetrical) Probability Distributions and Applications Across Disciplines, Fourth Edition submission deadline 31 Dec 2025 | 10 articles | Viewed by 9796 | Submission Open
Keywords: new applications and parameter interpretations of the main skewed distributions; parameter estimation and statistical developments; advances in modelling and simulations (i.e.; Monte Carlo sampling) of processes in mathematics; physics; chemistry; biology; and social sciences; efficient numerical methods to handle skewed distributions; skewed distributions and the modelling of infectious diseases; including COVID-19; the true meaning of skewed distributions in nature; skewed distributions in psychological and neurological sciences; non-normal distributions in biological and medical sciences; skewed distributions in describing social processes; the origin and fundamental interpretations of skewed distributions in mathematics; physics; chemistry; biology; and social sciences
(This special issue belongs to the Section Mathematics)
Three-Dimensional Dynamical Systems and Symmetry submission deadline 31 Dec 2025 | 7 articles | Viewed by 9729 | Submission Open
Keywords: mathematical models; continuous-time dynamical systems; discrete-time dynamical systems; time-delay dynamical systems; piecewise dynamical systems; fractional-order dynamical systems; symmetries; integrability; controllability; stability; special orbits (periodic orbits and limit cycles; homoclinic and heteroclinic orbits); bifurcations; chaotic behavior; numerical methods; numerical simulations
(This special issue belongs to the Section Mathematics)
Symmetry in Discrete and Combinatorial Geometry submission deadline 31 Dec 2025 | 3 articles | Viewed by 9665 | Submission Open
Keywords: polyhedra and polytopes; polyhedra and crystallography; crystal nets; polyhedral graphs; and skeletal polyhedral structures; polyhedra and maps on surfaces; tiling; packing; and covering; soft packings; nested clusters; and condensed matter; symmetry groups and reflection groups; discrete point sets; abstract polytopes; polyhedral design
(This special issue belongs to the Section Mathematics)
Asymmetric Centers in Optically Active Molecules Containing a Heteroatom submission deadline 31 Dec 2025 | 4 articles | Viewed by 9521 | Submission Open
Keywords: organometallic syntheses; heteroatomic asymmetry center; P-stereogenic center; asymmetric syntheses; enantioselective syntheses; resolution of racemates; optically active ligands; chiral P-ligands; homogeneous catalysis; transition metal complexes; chiral auxiliaries; chiral catalysts
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetries and Ultra Dense Matter of Compact Stars II: Emergence of Symmetries in Strong Nuclear Correlations
edited by and Chihiro Sasaki
submission deadline 31 Dec 2025 | 6 articles | Viewed by 9072 | 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)
Computational Mathematics and Its Applications in Numerical Analysis
edited by and
submission deadline 31 Dec 2025 | 7 articles | Viewed by 8582 | Submission Open
Keywords: computational mathematics for data science; applied mathematics in optimization problems; signal processing and mathematical images; scientific computing and algorithms; numerical analysis for problems arising in various fields 
(This special issue belongs to the Section Mathematics)
Symmetry in Nonlinear Partial Differential Equations and Rogue Waves
edited by
submission deadline 31 Dec 2025 | 4 articles | Viewed by 7232 | Submission Open
Keywords: nonlinear waves; coherent structures; the nonlinear Schrö dinger (NLS) equation; soliton on constant background; breathers; freak waves; rogue waves; extreme waves; wave packets; modulational instability; phase singularity; wavefront dislocation; variational formulation; maximum temporal amplitude; amplification factor; dissipation; surface gravity waves; nonlinear optics; superconductivity; plasma physics; Bose– Einstein condensates
(This special issue belongs to the Section Mathematics)
Symmetry in Thermal Fluid Sciences and Energy Applications
edited by Nattan Roberto Caetano
submission deadline 31 Dec 2025 | 4 articles | Viewed by 7227 | 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)
Discrete and Continuous Memristive Nonlinear Systems and Symmetry II
edited by , and
submission deadline 31 Dec 2025 | 3 articles | Viewed by 6582 | Submission Open
Keywords: chaos; nonlinear system; memristive system; fraction-order memristor; fractional-order memristive system; image encryption; neural network; brain-like computing; memristor based artificial intelligence; symmetry
(This special issue belongs to the Section Physics)
Computer-Aided Geometric Design and Matrices submission deadline 31 Dec 2025 | 3 articles | Viewed by 5468 | Submission Open
Keywords: matrices; total positivity; high relative accuracy; subdivision; splines and NURBS; shape analysis; isogeometric analysis; interpolation; approximation and smoothing; wavelets and multi-resolution methods; computer graphics; virtual design
(This special issue belongs to the Section Mathematics)
Symmetry in Numerical Analysis and Applied Mathematics submission deadline 31 Dec 2025 | 6 articles | Viewed by 5276 | Submission Open
Keywords: artificial intelligence methods; heuristic algorithms; computer mathematics; numerical analysis; mathematical modeling; numerical methods; differential; integral; and functional equations
(This special issue belongs to the Section Mathematics)
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