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 Security and Theoretical Computer Science submission deadline 31 Mar 2026 | Viewed by 456 | Submission Open
Keywords: post-quantum cryptography; theoretical computer science; cyber security; efficient implementations of cryptographic schemes; formal analysis; malware analysis
(This special issue belongs to the Section Computer)
Symmetry, Asymmetry, and Anisotropy in the Design and Modeling of Advanced Materials submission deadline 31 Mar 2026 | Viewed by 248 | Submission Open
Keywords: symmetry-driven design; anisotropic materials; multiscale modeling; structural optimization; advanced manufacturing
(This special issue belongs to the Section Engineering and Materials)
Innovations in Passive and Active Microwave Circuits for Advanced Communication and Sensing Systems: Exploiting Symmetry for Enhanced Performance submission deadline 31 Mar 2026 | Viewed by 101 | Submission Open
Keywords: passive microwave components; active microwave devices; microwave circuit design; power amplifiers; oscillators; mixers; terahertz (THz) technology; 5G and 6G networks; multi-band circuits; reconfigurable circuits; high-frequency communication; ultra-high-speed systems; radar systems; filters and couplers; antenna design; circuit simulation tools; optimization techniques; advanced sensing applications; wireless communication technologies
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Computational Intelligence and Data Science
edited by and Jialiang Xie
submission deadline 31 Mar 2026 | Viewed by 67 | Submission Open
Keywords: foundational theories; large language models; artificial general intelligence (AGI); explainable AI (XAI); natural language processing (NLP); machine learning; big data structures; uncertainty theories
(This special issue belongs to the Section Computer)
QCD Matter and Symmetry: Phases, Transitions and Extreme Conditions
edited by and German Lugones
submission deadline 31 Mar 2026 | Viewed by 48 | Submission Open
Keywords: non-Perturbative QCD and effective models; QCD phase diagram; isospin asymmetry/symmetry; chiral symmetry restoration; deconfinement; inhomogeneous phases; magnetized quark matter; anomalous magnetic moment; finite systems; color superconductivity; compact stars: hybrid stars– strange stars; neutron star mergers– cooling-oscillations; dark matter/energy
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Sustainable Processes: Waste Valorization and Green Engineering Approaches submission deadline 31 Mar 2026 | Viewed by 42 | Submission Open
Keywords: waste valorization; circular economy; catalysis separation processes; catalyst/sorbent characterisation; green engineering; symmetry/asymmetry; X-ray structures
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Nuclear and Particle Astrophysics
edited by
submission deadline 31 Mar 2026 | Viewed by 39 | Submission Open
Keywords: astrophysics; astroparticle physics; nuclear astrophysics; dark matter; dark energy; black hole physics; cosmology
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry Studies in Digital Signals Processing
edited by , and Han Hai
submission deadline 31 Mar 2026 | Viewed by 37 | Submission Open
Keywords: communications; matrix and orthogonal signal processing; coding and detection; intelligent signal processing; biomedical signal processing; machine learning
(This special issue belongs to the Section Computer)
Asymmetric Problems in Computational Mechanics and Their Engineering Applications
edited by Zhanyou Luo, and Man Huang
submission deadline 31 Mar 2026 | Viewed by 37 | Submission Open
Keywords: asymmetric material behaviors; multiphysics coupling; asymmetric boundary conditions; AI algorithms and applications; asymmetry in tunnel engineering; asymmetry in slope stability; asymmetry in foundation pit engineering; structural safety; laboratory testing; numerical simulation
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Computational Fluid Dynamics (CFD) submission deadline 31 Mar 2026 | Viewed by 17 | Submission Open
Keywords: symmetry in fluid dynamics; computational fluid dynamics (CFD); symmetry-based algorithms; turbulence modeling; aerodynamics and hydrodynamics; renewable energy systems; multiphase flows; symmetry in environmental flows; efficient CFD simulations
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry in Nanomaterials
edited by
submission deadline 31 Mar 2026 | Viewed by 13 | Submission Open
Keywords: symmetry; nanomaterials; nanostructures; crystallographic symmetry; functional nanomaterials; metamaterials; energy materials; magnetic nanomaterials; optoelectronic properties; structure– property relationships
(This special issue belongs to the Section Engineering and Materials)
Global and Local Scale Symmetry in Gravitation and Cosmology
edited by
submission deadline 15 Apr 2026 | 3 articles | Viewed by 9246 | Submission Open
Keywords: Global Scale Invariance; Local Scale Invariance; Weyl Invariance; Inflation; 5th Force Problem in Late Time Cosmology; Flat Potentials
(This special issue belongs to the Section Physics)
Micromagnetic Simulations: Decoding the Future of Spintronics
edited by Haijun Zhao
submission deadline 15 Apr 2026 | Viewed by 18 | Submission Open
Keywords: micromagnetic modeling; spintronic devices; spin wave dynamics; nanomagnetism; skyrmions; magnon
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry in Machine Learning and Data Science
edited by and
submission deadline 25 Apr 2026 | Viewed by 43 | Submission Open
Keywords: symmetric feature learning; asymmetric data processing; geometric deep learning; imbalanced learning in robotics; sensor fusion for autonomous systems; dynamic environment adaptation; explainable ai in autonomous systems; adaptive control algorithms; swarm robotics coordination; human– robot interaction
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Data Mining and Machine Learning
edited by
submission deadline 27 Apr 2026 | Viewed by 26 | Submission Open
Keywords: model generalization; symmetry in machine learning; asymmetry in machine learning; real-world data complexity; data representation; pattern recognition
(This special issue belongs to the Section Computer)
Symmetry in Evolutionary Computation and Reinforcement Learning
edited by Lining Xing, , Junwei Ou and Jian Wu
submission deadline 30 Apr 2026 | 1 articles | Viewed by 4116 | Submission Open
Keywords: evolutionary computation; reinforcement learning; optimization robotics; cryptography
(This special issue belongs to the Section Computer)
Advances in Fluid Dynamics and Energy Systems: Applications of Symmetry and Asymmetry
edited by , and Jesus Alberto Crespo-Quintanilla
submission deadline 30 Apr 2026 | 1 articles | Viewed by 591 | Submission Open
Keywords: computational fluid dynamics (CFD); modeling of thermal and fluid dynamics; symmetry and asymmetry in thermal and fluid systems; heat and mass transfer; turbulent and laminar flows; multiphase flow analysis; numerical simulation and experimental validation; fluid– structure interaction; second law of thermodynamics and entropy generation; energy efficiency and optimization; renewable energy systems
(This special issue belongs to the Section Engineering and Materials)
Neutrino Physics and Symmetries
edited by Eduardo Bauer, and Jiajie Ling
submission deadline 30 Apr 2026 | 1 articles | Viewed by 517 | Submission Open
Keywords: lepton number symmetry; CP symmetry violation; see-saw model; scale-invariant models; supersymmetric models; radiative mechanisms (Zee and Ma models); minimal flavor violation (MFV) models; sterile neutrinos; double-beta decay; neutrino detectors
(This special issue belongs to the Section Physics)
Application of Symmetry in Civil Infrastructure Asset Management
edited by Wang Chen, Jianhong Han, Lin Chen and
submission deadline 30 Apr 2026 | Viewed by 55 | Submission Open
Keywords: symmetry/asymmetry; infrastructure asset management; structural health monitoring; deterioration modelling; predictive maintenance; decision-making; probabilistic modelling; reinforcement learning; dynamic programming
(This special issue belongs to the Section Engineering and Materials)
Selected Papers: 3rd TOPAC: Topics of Particle, Astro and Cosmo Frontiers
edited by Hong-Hao Zhang, Zhaohuan Yu and Yiwen Pan
submission deadline 30 Apr 2026 | Viewed by 31 | Submission Open
Keywords: particle physics; astrophysics; cosmology; early universe; astronomical observations; neutrinos; dark matter; gravitational waves
(This special issue belongs to the Section Physics)
Symmetry in Gauge Theories submission deadline 30 Apr 2026 | Viewed by 27 | Submission Open
Keywords: gauge theories; standard model; lie algebras; (super)symmetries; spontaneous symmetry breaking; topological terms; non-perturbative phenomena; beyond the standard model; cartan formalism; vielbein and spin connection; unified theories
(This special issue belongs to the Section Physics)
Symmetric/Asymmetric Study in Medical Imaging
edited by
submission deadline 30 Apr 2026 | Viewed by 25 | Submission Open
Keywords: medical image processing; neuroimaging; brain asymmetry; image registration; image reconstruction; MRI; PET/SPECT imaging; CT imaging; diagnostic imaging; deep learning in medical imaging
(This special issue belongs to the Section Computer)
Impact of Molecular Symmetry and Asymmetry on the Collective Behavior of Liquid Crystals
edited by Natalia Osiecka-Drewniak
submission deadline 30 Apr 2026 | Viewed by 24 | Submission Open
Keywords: molecular symmetry; molecular asymmetry; liquid crystals; mesophase behavior; self-organization; phase transitions; molecular alignment; supramolecular architecture
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetric/Asymmetric Analysis and Design of Microwave Circuits/Antennas
edited by Jianpeng Wang
submission deadline 31 May 2026 | 1 articles | Viewed by 458 | 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/Asymmetry in Human Movement and Sensors Applied in Bioengineering
edited by Wangdo Kim
submission deadline 31 May 2026 | Viewed by 279 | 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)
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 73 | 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)
Applications Based on Symmetry/Asymmetry in Solid Mechanics
edited by Zhongtong Wang and
submission deadline 31 May 2026 | Viewed by 52 | 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)
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 12 | 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 9 | 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)
Composite Structural Systems: Materials, Components, Structures, and Symmetry submission deadline 30 Jun 2026 | Viewed by 66 | Submission Open
Keywords: composite materials; structural systems; dynamic behaviors; symmetry principles; multi-material coupling effects; symmetry of damage modes; refined numerical simulation; optimization techniques; morphology
(This special issue belongs to the Section Engineering and Materials)
Studies of Symmetry/Asymmetry in Biosensors and Their Application
edited by , Germán Ernesto Gomez and Liliana Patricia Fernández
submission deadline 30 Jun 2026 | Viewed by 16 | Submission Open
Keywords: synthesis and characterization of nanomaterials; metal nanoparticles; biosensors; emerging contaminants; advances and applications of new nanosensors; environmental toxicity markers
(This special issue belongs to the Section Life Sciences)
Symmetry/Asymmetry in Micro/Nano-Electromechanical Systems
edited by and Xu Xu
submission deadline 30 Jun 2026 | Viewed by 7 | Submission Open
Keywords: micro/nano-electromechanical systems; mechanical properties; low-dimensional materials; molecular dynamics simulation; nonlinear dynamical systems; data-driven methods; machine learning methods
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Stellar Astrophysics: Structure, Properties, and Applications
edited by Pierluca Carenza and
submission deadline 30 Jun 2026 | Viewed by 5 | Submission Open
Keywords: stellar physics; astroparticle physics; stellar simulations; magnetohydrodynamics; neutrinos; radiative transfer; asteroseismology; axions
(This special issue belongs to the Section Physics)
Symmetry and Its Application in Fluid Mechanics
edited by Zhenyu Ouyang, Fangyang Yuan and Chundong Xue
submission deadline 31 Aug 2026 | 1 articles | Viewed by 914 | Submission Open
Keywords: multiphase flows; microfluidics; nanofluidics; droplets; bubbles; active material; soft material; multicomponent; particle manipulation; artificial intelligence
(This special issue belongs to the Section Physics)
Symmetry in Metamaterials, Composite Structures, and Lattice Structures
edited by Shengjie Zhao, and Zhaohua Wang
submission deadline 31 Aug 2026 | Viewed by 141 | Submission Open
Keywords: metamaterials; lattice structures; composite structures; periodic structures; design optimization; computer-aided design; additive manufacturing; computational modeling
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry on Artificial Neural Networks for Visual Learning
edited by and
submission deadline 31 Oct 2026 | Viewed by 180 | Submission Open
Keywords: artificial intelligence; computer vision; image processing; pattern recognition; machine learning; deep learning; artificial neural networks
(This special issue belongs to the Section Computer)
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