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 and Asymmetry in Information Security and Network Security
edited by Bingwen Feng
submission deadline 31 May 2026 | 7 articles | Viewed by 14057 | Submission Open
Keywords: network security; data hiding; information security
(This special issue belongs to the Section Computer)
Symmetry Applied in Biometrics Technology submission deadline 31 May 2026 | 2 articles | Viewed by 13641 | Submission Open
Keywords: biometrics; identification; symmetry; pattern recognition; soft biometrics; safety; security
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Communications Engineering â…¡ submission deadline 31 May 2026 | 3 articles | Viewed by 12582 | Submission Open
(This special issue belongs to the Section Computer)
Applications of Symmetry in Computational Biology
edited by Siqi Liang and Siwei Chen
submission deadline 31 May 2026 | 4 articles | Viewed by 9147 | 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 Lie Algebras
edited by María Alejandra Alvarez and María del Carmen Rodríguez-Vallarte
submission deadline 31 May 2026 | 6 articles | Viewed by 5152 | Submission Open
Keywords: algebraic computing structures; applied mathematics; cryptography; differential equations; differential geometry; mathematical physics; representation theory; supersymmetry; topology
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Sustainable Transport and Logistics
edited by Yiwei Wu and Jingwen Qi
submission deadline 31 May 2026 | 2 articles | Viewed by 4740 | 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)
Bayesian Statistical Methods for Forecasting
edited by and Adriano K. Suzuki
submission deadline 31 May 2026 | 3 articles | Viewed by 3128 | Submission Open
Keywords: Bayesian inference; posterior analysis; Bayesian forecasting; Bayesian computational methods; credible intervals
(This special issue belongs to the Section Mathematics)
Symmetry-Related Quantum Phases in Exciton-Polariton Condensates
edited by Zhaoxin Liang
submission deadline 31 May 2026 | 3 articles | Viewed by 2694 | Submission Open
Keywords: polariton Bose-Einstein condensate; driven-dissipative Gross-Pitaevskii equation; superfluidity; SU(2) or SU(1; 1) symmetry
(This special issue belongs to the Section Physics)
Carbon Neutrality and Symmetry in Power Engineering and Engineering Thermophysics, 2nd Edition
edited by Longfei Chen, , Guangze Li, and Bin Zhang
submission deadline 31 May 2026 | 1 articles | Viewed by 2385 | Submission Open
Keywords: carbon neutrality; power engineering; engineering thermophysics
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry in Cryptography and Information Security
edited by Yanwei Zhou
submission deadline 31 May 2026 | 3 articles | Viewed by 2119 | Submission Open
Keywords: cryptographic protocols and secure communication systems; digital signatures and authentication methods; leakage-resilient cryptographic algorithms and their implementations; public-key encryption techniques and their security properties; cryptographic primitives for data integrity and authentication; functional encryption for secure data processing and analysis; security and privacy in cloud computing and big data analytics.
(This special issue belongs to the Section Computer)
AI-Driven Optimization for EDA: Balancing Symmetry and Asymmetry
edited by and Abdelaziz Ahaitouf
submission deadline 31 May 2026 | 2 articles | Viewed by 1533 | Submission Open
Keywords: AI-driven optimization; electronic design automation; symmetry in circuit design; asymmetry in optimization; machine learning in EDA; neural networks and their applications in EDA; metaheuristic algorithms; deep learning for design automation; design space exploration; circuit optimization
(This special issue belongs to the Section Computer)
Symmetric/Asymmetric Analysis and Design of Microwave Circuits/Antennas
edited by Jianpeng Wang
submission deadline 31 May 2026 | 2 articles | Viewed by 1415 | Submission Open
Keywords: antenna; function integration; microwave component; filter; power divider; phase shifter; balun; frequency selective surface
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Optimization Algorithms and Applications submission deadline 31 May 2026 | 1 articles | Viewed by 1301 | Submission Open
Keywords: symmetry; optimization algorithms; problem simplification; search space reduction; algorithm efficiency; symmetry breaking; mathematical programming; combinatorial optimization; convergence acceleration
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Human Movement and Sensors Applied in Bioengineering
edited by Wangdo Kim
submission deadline 31 May 2026 | 1 articles | Viewed by 1280 | Submission Open
Keywords: symmetry in biomechanics; asymmetry in human movement; sensors in bioengineering; gait analysis; biomechanical modeling; movement disorder diagnosis; rehabilitation technology; wearable sensors; motion tracking systems; symmetry in neurorehabilitation
(This special issue belongs to the Section Life Sciences)
Symmetry in Microwave Energy Applications and Microwave Characterization
edited by Zhe Wu
submission deadline 31 May 2026 | 1 articles | Viewed by 1215 | Submission Open
Keywords: microwave energy; microwave heating; microwave chemistry; near-field microwave; microwave microscopy; microwave characterization; microwave imaging
(This special issue belongs to the Section Engineering and Materials)
Symmetry Analysis of Uncertainty Theory and Uncertain Statistics and Their Interdisciplinary Applications
edited by Yang Liu, Tingqing Ye and Waichon Lio
submission deadline 31 May 2026 | 3 articles | Viewed by 961 | Submission Open
Keywords: uncertain statistics; uncertain differential equation; uncertain renewal process; uncertain programming; uncertain inference control; uncertain finance; symmetric statistical invariant
(This special issue belongs to the Section Mathematics)
Symmetries in Quantum Control and Quantum Error Correction and Their Applications: 100 Years of Quantum Mechanics Developments
edited by Marco Enríquez, and
submission deadline 31 May 2026 | 1 articles | Viewed by 853 | 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 or Asymmetry in Big Data Datasets for Cybersecurity
edited by Haider Ali
submission deadline 31 May 2026 | Viewed by 801 | Submission Open
Keywords: machine learning; cybersecurity; deep learning; threat detection; intrusion detection; anomaly detection; privacy; malware; artificial intelligence; digital security
(This special issue belongs to the Section Computer)
Symmetries in Machine Learning and Artificial Intelligence submission deadline 31 May 2026 | 1 articles | Viewed by 667 | Submission Open
Keywords: symmetries; machine learning (ML); artificial intelligence (AI); model efficiency; generalization; pattern recognition; feature prioritization; complexity reduction; performance improvement; image recognition; speech processing; natural language processing (NLP); robotics; computer vision; convolutional neural networks (CNNs); object detection
(This special issue belongs to the Section Computer)
Asymmetry and Symmetry in Infrastructure
edited by
submission deadline 31 May 2026 | 1 articles | Viewed by 537 | Submission Open
Keywords: symmetry; asymmetry; civil engineering; tunnel engineering; bridge engineering; geotechnical engineering; structural optimization
(This special issue belongs to the Section Engineering and Materials)
Asymmetry and Symmetry in Intelligent Computing Theory
edited by Peizhong Liu and
submission deadline 31 May 2026 | Viewed by 488 | Submission Open
Keywords: cloud computing; data science; bio-informatics; intelligent information retrieval; human– machine interaction and interfaces; signal and image processing; robotics; system control; telecommunications; virtual reality
(This special issue belongs to the Section Computer)
Symmetries/Asymmetries in Particle Physics
edited by
submission deadline 31 May 2026 | Viewed by 463 | Submission Open
Keywords: particles; standard model; big bang; quark; symmetry
(This special issue belongs to the Section Physics)
Symmetry and Nonlinearity in Optics submission deadline 31 May 2026 | Viewed by 406 | 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)
Selected Papers: The 18th International Conference on Advanced Computer Theory and Engineering (ICACTE 2025)
edited by Zhigeng Pan and
submission deadline 31 May 2026 | Viewed by 348 | Submission Open
Keywords: artificial intelligence and machine learning; computer systems and networks; data science and applications; human– computer interaction and multimedia; software engineering and applications; quantum information and quantum computing; blockchain technology and applications
(This special issue belongs to the Section Computer)
Symmetry in Advanced Optoelectronics and Nanophotonics
edited by Redouane En-Nadir, and Haddou El Ghazi
submission deadline 31 May 2026 | Viewed by 328 | Submission Open
Keywords: nanomaterials; nanostructures; symmetry in optoelectronics; nanophotonics; quantum materials; solar cells; photodetectors; light– matter interactions; photonic applications
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Dynamical Systems
edited by Eduardo Campos Mercado, Jesús Guerrero Tavares and Víctor Moreno Oliva
submission deadline 31 May 2026 | Viewed by 303 | 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)
Symmetry in Energy Materials
edited by and Haoyu Li
submission deadline 31 May 2026 | Viewed by 259 | Submission Open
Keywords: energy storage and conversion; energy materials; electrocatalysis; solid oxide cells; Hâ‚‚O and COâ‚‚ electrolysis; symmetry; advanced characterization
(This special issue belongs to the Section Engineering and Materials)
Black Holes in String Theory and Field Theory: Symmetry and Topics
edited by Oscar Gerardo Loaiza-Brito and Miguel Sabido
submission deadline 31 May 2026 | Viewed by 231 | Submission Open
Keywords: black holes; string theory; field theory; global symmetries; extra dimensions; quantum gravity; holography; supersymmetry; supergravity
(This special issue belongs to the Section Physics)
Applications Based on Symmetry/Asymmetry in Solid Mechanics
edited by Zhongtong Wang and
submission deadline 31 May 2026 | Viewed by 204 | Submission Open
Keywords: computational and theoretical solid mechanics; advanced materials and metamaterials; stress and failure; structural design and optimization; soft matter and bioinspired materials; nonlinear; multiscale; and anisotropic mechanics
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Efficiency in Power Electronics and Renewable Energy
edited by , Touhami Mokrani and Rida Farhan
submission deadline 31 May 2026 | Viewed by 198 | Submission Open
Keywords: renewable energy; power compensation; supercapacitor; photovoltaï c; grid-connected converters; switched-capacitor inverters
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Optimization and Algorithmic Paradigms: Smart Systems, Sustainable Development, and Real-World Applications submission deadline 31 May 2026 | Viewed by 183 | Submission Open
Keywords: symmetry and asymmetry; optimization; algorithmic paradigms; smart systems; sustainable development; real-world applications
(This special issue belongs to the Section Computer)
The Role of Temporal Influence in Discrete and Continuous Models: Symmetry and Beyond submission deadline 31 May 2026 | Viewed by 181 | Submission Open
Keywords: time-aware continuous models; temporal dynamism; discrete temporal patterns; temporal symmetry and asymmetry; multi-facet time-aware systems; the role of time in frameworks
(This special issue belongs to the Section Computer)
Advances in Metamaterials with Symmetry/Asymmetry: Optical, Acoustic, Mechanical, Photonic, Chiral, Electromagnetic, and Nonlinear Applications
edited by José Luis Rodríguez-Muñoz, and
submission deadline 31 May 2026 | Viewed by 166 | Submission Open
Keywords: metamaterials; symmetry; mechanical properties; chirality; electromagnetic waves; nonlinear phenomena; design; fabrication; experimental studies; theoretical modeling
(This special issue belongs to the Section Engineering and Materials)
Chiral Quark Models and Their Applications submission deadline 31 May 2026 | Viewed by 149 | Submission Open
Keywords: nonperturbative QCD; chiral quark models; effective field theories; LQCD; chiral symmetry breaking and restoration; Nambu– Jona-Lasinio model and extensions; quark-meson models; linear sigma model; thermodynamics of strongly interacting matter; QCD phase diagram; color superconductivity; meson properties; Isospin asymmetric matter; external magnetic fields; Dyson-Schwinger equations; neutron stars and compact objects; non-extensive statistics; applications to relativistic heavy ion collisions
(This special issue belongs to the Section Physics)
Geotechnical and Geological Engineering with Emphasis on Symmetry: Methods, Theories, and Applications
edited by , , and Wuzhou Zhai
submission deadline 31 May 2026 | Viewed by 147 | Submission Open
Keywords: geomechanics and underground engineering; intelligent grouting; physics data-driven modeling; machine vision; multi-physics coupling characteristics; underground energy storage; intelligent construction of underground engineering
(This special issue belongs to the Section Engineering and Materials)
Advances in the Mechanical Metamaterials and Symmetry
edited by
submission deadline 31 May 2026 | Viewed by 142 | Submission Open
Keywords: mechanical metamaterials; lattice materials; phononic crystals; symmetry and symmetry breaking; parity-time symmetry; reciprocity; chirality; wave propagation; scattering; non-Hermitian mechanics; topological phononics; bandgap engineering
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Deep Learning and Neural Networks submission deadline 31 May 2026 | Viewed by 136 | Submission Open
Keywords: symmetry; asymmetry; neural networks; deep learning; invariance and equivariance; symmetry-breaking; optimization; computer vision; natural language processing; biomedical imaging
(This special issue belongs to the Section Computer)
Symmetry and Graphics in AI Era: Synergies Between Artificial Intelligence and Visual Computing
edited by
submission deadline 31 May 2026 | Viewed by 134 | Submission Open
Keywords: computer graphics; artificial intelligence; deep learning; simulation; generative models; synthetic data generation; neural rendering; physics
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Wireless Sensor Networks
edited by , and Bin Li
submission deadline 31 May 2026 | Viewed by 123 | Submission Open
Keywords: wireless sensor networks; multiple input multiple output system; antenna arrays; integrated sensing and communication; phase unwrapping; target detection and tracking; non-line-of-sight imaging; privacy and security; artificial intelligence
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Condensed Matter Physics and Engineering Applications submission deadline 31 May 2026 | Viewed by 123 | Submission Open
Keywords: symmetry and asymmetry; symmetry breaking; tribology; material properties; design of materials; nanomaterials; nanotechnology; surfaces and interfaces; ML/AI methods; simulation– experiment synergy
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Renewable Energy Power Systems: Modeling, Design, and Control
edited by and
submission deadline 31 May 2026 | Viewed by 121 | Submission Open
Keywords: symmetry and asymmetry in power systems; grid-connected power electronics; wind; ocean; and solar energy integration; hydrogen energy and electrolyzer modeling; battery storage and microgrids; energy-saving and multi-energy applications; power quality and imbalance; converter topology and modulation; AI; machine learning; and digital twins; stability and resilience
(This special issue belongs to the Section Engineering and Materials)
Black Hole Shadows
edited by , Shao-Wen Wei, Yu-Peng Zhang and Wen-Di Guo
submission deadline 31 May 2026 | Viewed by 114 | Submission Open
Keywords: classical black hole; general relativity; shadow; gravitational lensing; spacetime symmetry; accretion flows
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in DNA, Proteins, and Omics Data: Advances in Computational Biology
edited by Raúl Cruz-Barbosa and Yalbi Balderas-Martínez
submission deadline 31 May 2026 | Viewed by 110 | Submission Open
Keywords: symmetry; asymmetry; DNA; RNA; GPCR’ s; regulation; protein structure; biological systems; omics; bioinformatics; computational biology; systems biology; deep learning; artificial intelligence
(This special issue belongs to the Section Life Sciences)
Photoelectric Materials: Structure, Characterization and Symmetry submission deadline 31 May 2026 | Viewed by 99 | Submission Open
Keywords: optoelectronics; photovoltaic cells; medical devices; perovskites; semiconductors; crystals
(This special issue belongs to the Section Engineering and Materials)
Advances in Gait Symmetry and Knee Kinematics in Rehabilitation and Sports submission deadline 31 May 2026 | Viewed by 90 | Submission Open
Keywords: gait symmetry; knee kinematics; biomechanics; rehabilitation; sports science
(This special issue belongs to the Section Life Sciences)
Symmetry in Computer Vision and Machine Learning
edited by and
submission deadline 31 May 2026 | Viewed by 82 | Submission Open
Keywords: computer version; machine learning; symmetry; data efficiency; robustness
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Dynamics of Mechanical and Structural Engineering
edited by and
submission deadline 31 May 2026 | Viewed by 82 | Submission Open
Keywords: mechanical and structural engineering; sound and vibration; vibration analysis and control; acoustic and vibro-acoustic analysis; acoustic and mechanical metamaterials; sound absorption and insulation; energy harvesting; multi-body dynamics; structural health monitoring; engineering applications
(This special issue belongs to the Section Engineering and Materials)
Artificial Intelligence and Digital Workflows for Sustainable Structural Design and Reuse
edited by and Rabee Shamass
submission deadline 31 May 2026 | Viewed by 78 | Submission Open
Keywords: structural engineering; symmetry and asymmetry in structures; BIM and digital workflows; artificial intelligence in engineering; physics-informed machine learning; Eurocode design and verification; structural optimisation; structural reuse and circular economy; lifecycle assessment
(This special issue belongs to the Section Engineering and Materials)
Nonlinear Dynamics and Symmetry: Topics and Applications
edited by
submission deadline 31 May 2026 | Viewed by 69 | Submission Open
Keywords: nonlinear dynamics; symmetry and symmetry breaking; geometric methods in mechanics; numerical simulation; pattern formation
(This special issue belongs to the Section Mathematics)
Symmetry in Renewable Energy Power Systems with Integrated Green Hydrogen Conversion System
edited by , Ahmed Ihlal and Soumia El Hani
submission deadline 31 May 2026 | Viewed by 56 | Submission Open
Keywords: hydrogen conversion system; renewable energy sources; symmetry; fuel cell; electrolyzer; green and renewable hydrogen; regeneration; renewable-to-hydrogen; grid-forming based hydrogen system
(This special issue belongs to the Section Engineering and Materials)
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