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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-Aware Embodied Intelligence: Foundations and Applications
edited by Jie Li and Yongjing Wang
submission deadline 30 Sep 2026 | Viewed by 177 | Submission Open
Keywords: embodied intelligence; vision– language– action models; generative AI for robotics; digital twin in robotics; adaptive human– robot interaction; multi-agent embodied systems
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Photocatalysis submission deadline 30 Sep 2026 | Viewed by 118 | Submission Open
Keywords: materials science; nanomaterials; materials synthesis; characterization; photocatalysts; toxic dyes; pollutants; wastewater
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Advances in 2D Materials and Symmetry Breaking in Graphene
edited by and Juan César Flores Araya
submission deadline 30 Sep 2026 | Viewed by 107 | Submission Open
Keywords: graphene and symmetries; symmetry breaking; electronics; thermodynamics; optics; 2D band structures
Symmetry and Chirality in Functional Nanomaterials
edited by
submission deadline 30 Sep 2026 | Viewed by 92 | Submission Open
Keywords: chiral nanomaterials; symmetry-engineered nanostructures; sensing devices; flexible/wearable electronics; medical devices; electronic and spintronic devices
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Finite Element Analysis, Structural Dynamics, and Symmetry/Asymmetry
edited by and
submission deadline 30 Sep 2026 | Viewed by 87 | Submission Open
Keywords: finite element analysis (FEA); structural dynamics; nonlinear dynamics; reduced-order model (ROM); complex systems; vibration control; computational mechanics; engineering applications
(This special issue belongs to the Section Engineering and Materials)
Lie Symmetry, Nonlinear Partial Differential Equations and Geometry
edited by Fiazuddin Zaman
submission deadline 30 Sep 2026 | Viewed by 86 | Submission Open
Keywords: Lie symmetry analysis; nonlinear partial differential equations; symmetry reduction; conservation laws; geometric invariance; minimal surfaces; curvature-driven flows; PDEs on surfaces
(This special issue belongs to the Section Mathematics)
Computational Intelligence and Soft Computing: Recent Applications—Third Volume
edited by
submission deadline 30 Sep 2026 | Viewed by 81 | Submission Open
Keywords: computational intelligence soft computing; fuzzy systems; artificial neural networks; evolutionary; population-based; memetic algorithms; cognitive computing
(This special issue belongs to the Section Computer)
Quantum Gravity and Gravitational Wave
edited by Carlos Frajuca
submission deadline 30 Sep 2026 | Viewed by 77 | Submission Open
Keywords: symmetries in gravitation; symmetries in quantum gravity; preserving properties in gravitation; symmetries in general relativity
(This special issue belongs to the Section Physics)
Advances in Physical & Theoretical Chemistry with Symmetry/Asymmetry
edited by
submission deadline 30 Sep 2026 | Viewed by 76 | Submission Open
Keywords: symmetry; chirality; group theory; asymmetric catalysis; spectroscopic selection rules; molecular electronic structure; piezoelectric devices; symmetry breaking; nonlinear optics
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry or Asymmetry in Artificial Intelligence submission deadline 30 Sep 2026 | Viewed by 72 | Submission Open
Keywords: artificial intelligence; pattern recognition; imbalanced or asymmetric data; adaptive signal processing
Symmetry-Aware Methods in Image Processing and Computer Vision submission deadline 30 Sep 2026 | Viewed by 36 | Submission Open
Keywords: symmetry-aware methods; image processing; deep learning; lightweight neural networks; super-resolution; image denoising
(This special issue belongs to the Section Computer)
Noether Symmetries in Modified Gravity and Their Cosmological Consequences submission deadline 30 Sep 2026 | Viewed by 27 | Submission Open
Keywords: noether symmetries; modified theories of gravity; cosmic inflation and primordial perturbations; cosmic microwave background radiation; symmetry breaking in the early universe; topological defects; primordial black holes; stochastic and continuous gravitational waves; compact binary inspirals; big Bang nucleosynthesis; gravitational lensing; dark energy and dark matter models; black hole physics and related issues; wormholes
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Fuzzy Multi-Criteria Decision-Making: Application in Management and Engineering submission deadline 1 Oct 2026 | Viewed by 218 | Submission Open
Keywords: multi-criteria decision-making; classical fuzzy number; interval fuzzy number; Z– number; intuitionistic fuzzy numbers; q-rung orthopair fuzzy numbers; spherical fuzzy numbers; hesitant fuzzy numbers; Pythagorean fuzzy numbers; fuzzy agregation operators; ANFIS; FIS; management; engineering
Symmetry and Asymmetry in Computer Algorithms: Properties and Applications
edited by Yoan Martínez López, and Julio Madera Quintana
submission deadline 1 Oct 2026 | Viewed by 87 | Submission Open
Keywords: symmetry and asymmetry; algorithm design; applied optimization; evolutionary computation; machine learning and artificial intelligence; data mining; real-world problem solving; large-scale data analysis; smart systems and applications; bioinspired and nature-based algorithms
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Advanced Research for Efficient Electric Vehicles
edited by
submission deadline 31 Oct 2026 | 2 articles | Viewed by 8363 | Submission Open
Keywords: electric vehicles (xEVs); electric motor; battery; power electronics; HVAC; thermal management; energy management; energy storage; optimization; heating; cooling; symmetry; asymmetry
(This special issue belongs to the Section Computer)
Symmetry in Fractional Derivatives, Fractional Equations and Fractional Order Systems
edited by Xiaoling Han and Chenghua Gao
submission deadline 31 Oct 2026 | 6 articles | Viewed by 4198 | Submission Open
Keywords: fractional differential equations; delay differential equations; functional equations; partial differential equations; stochastic differential equations; integral equations; dynamical systems; applications of fixed-point theorems to nonlinear equations
(This special issue belongs to the Section Mathematics)
Advances of Asymmetry/Symmetry in High Energy Physics
edited by , and Paulo José Ferreira Porfírio da Silva
submission deadline 31 Oct 2026 | 2 articles | Viewed by 1776 | 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/Asymmetry in Goodness-of-Fit Testing and Statistical Inference Using Non-Parametric Approaches submission deadline 31 Oct 2026 | Viewed by 1428 | Submission Open
Keywords: goodness-of-fit testing; non-parametric statistics; empirical likelihood; survival analysis; censored data; fuzzy; test for symmetry; optimization algorithms; Monte Carlo simulations
(This special issue belongs to the Section Mathematics)
Power Supply-Demand Asymmetry and Power Quality Issues in High-Renewable Energy Power Systems
edited by and
submission deadline 31 Oct 2026 | 2 articles | Viewed by 1322 | 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)
Symmetry-Inspired Approaches in Control, Robotics, and Intelligent Systems submission deadline 31 Oct 2026 | 1 articles | Viewed by 543 | Submission Open
Keywords: symmetry in control systems; asymmetric control strategies; intelligent control; fuzzy logic and neuro-fuzzy systems; model predictive control (MPC); robust and adaptive control; reinforcement learning for control; evolutionary and metaheuristic optimization; robotics; multi-agent and swarm systems; cyber-physical systems; fault-tolerant and resilient control; bio-inspired and symmetry-based  algorithms; system identification and dynamic modeling; motion planning and trajectory control; mechatronics systems
(This special issue belongs to the Section Computer)
Symmetry in Primordial Black Holes
edited by Paulo Custodio, Rodolfo Valentim and Marcio G. B. de Avellar
submission deadline 31 Oct 2026 | Viewed by 464 | Submission Open
Keywords: cosmology; primordial black holes; inflation; phase transitions in the early universe
(This special issue belongs to the Section Physics)
Majorana Neutrinos and Matter-Antimatter Asymmetry: Status and Prospects of Double Beta Decay Search in Experiment and in Theory
edited by Shaobo Wang
submission deadline 31 Oct 2026 | Viewed by 399 | Submission Open
Keywords: Majorana neutrinos; neutrinoless double beta decay; matter and antimatter asymmetry; underground experiment
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry on Artificial Neural Networks for Visual Learning
edited by and
submission deadline 31 Oct 2026 | Viewed by 371 | 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)
Symmetry and Textured Ceramics submission deadline 31 Oct 2026 | Viewed by 261 | Submission Open
Keywords: crystallographic texture; polycrystalline ceramics; columnar or tabular grains; noncubic optical ceramics; ionic conduction; microstructural anisotropy; electrical conductivity; dielectric properties
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
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 246 | 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)
Applications Based on Symmetry and Asymmetry in Structural and Geotechnical Engineering
edited by Wenkun Yang and Yangtao Li
submission deadline 31 Oct 2026 | 1 articles | Viewed by 181 | Submission Open
Keywords: rock or rock-like materials; symmetry/asymmetry; computer vision; machine learning; homogeneity/anisotropy; data-driven methods; multi-scale mechanical analysis
(This special issue belongs to the Section Engineering and Materials)
Advances in Nuclear Technology with Symmetry/Asymmetry
edited by
submission deadline 31 Oct 2026 | Viewed by 167 | Submission Open
Keywords: nuclear technology; symmetry and asymmetry; reactor physics and core design; advanced nuclear fuels and materials; radiation transport and shielding; nuclear safety and security; symmetry breaking and heterogeneity; computational modeling and optimization; group-theoretical methods in nuclear engineering; radiation detection and safeguards
(This special issue belongs to the Section Physics)
Symmetries and Applications in Machine Learning
edited by and
submission deadline 31 Oct 2026 | Viewed by 130 | Submission Open
Keywords: machine learning; deep neural networks; invariance; data efficiency; generalization; representation learning; optimization; symmetry
(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 116 | 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 Plasma and High Energy Physics submission deadline 31 Oct 2026 | Viewed by 116 | 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/Asymmetry and Their Applications in Railroad and Highway Engineering submission deadline 31 Oct 2026 | Viewed by 111 | 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/Asymmetry in Nanomaterials: Advances and Applications submission deadline 31 Oct 2026 | Viewed by 110 | 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 Optimization in Advanced Wastewater Treatment and Renewable Energy Systems submission deadline 31 Oct 2026 | Viewed by 96 | 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)
Statistical Physics and Symmetry
edited by Olivier Coquand
submission deadline 31 Oct 2026 | Viewed by 84 | Submission Open
Keywords: scaling relations; ward identities; goldstone theorem; critical dynamics; universality
(This special issue belongs to the Section Physics)
Symmetry in Dark Matter Models
edited by Szadkowski Zbigniew
submission deadline 31 Oct 2026 | Viewed by 82 | Submission Open
Keywords: asymmetric dark matter; baryon asymmetry; mirror symmetry; spontaneous symmetry breaking; dark sector; cosmic web; particle-antiparticle mixing; sphaleron processes; lepton asymmetry; majorana neutrinos
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry in Electrochemistry
edited by and
submission deadline 31 Oct 2026 | Viewed by 72 | 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)
Symmetries and Asymmetries in Fluid Dynamics
edited by , Jamal Baliti and
submission deadline 31 Oct 2026 | Viewed by 68 | 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)
Studies of Symmetry/Asymmetry in Inorganic Chemistry
edited by and
submission deadline 31 Oct 2026 | Viewed by 61 | 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 in Membrane Science and Technology
edited by , and
submission deadline 31 Oct 2026 | Viewed by 46 | Submission Open
Keywords: membrane; cells; liquid crystal; interface
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Applications Based on Symmetry in Reactor Physics
edited by and Hoai Nam Tran
submission deadline 31 Oct 2026 | Viewed by 43 | 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)
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 42 | 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 Hardware Security
edited by Jonti Talukdar
submission deadline 31 Oct 2026 | Viewed by 42 | 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)
Symmetry-Driven Design of Bio-Based Polymer Materials
edited by Milica Spasojević Savković
submission deadline 31 Oct 2026 | Viewed by 38 | 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/Asymmetry and Software Engineering
edited by
submission deadline 31 Oct 2026 | 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)
Symmetry with Power Systems: Optimization and Control Applications submission deadline 31 Oct 2026 | 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)
Asymmetry Implications in Recent Pharmacy and Medicine
edited by and Alina Cozma
submission deadline 30 Nov 2026 | Viewed by 333 | Submission Open
Keywords: structural symmetry/asymmetry; chirality; metal complexes of organic compounds; crystal lattices; drug design
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Advances in Quantum Gravity: Unifying Symmetry and Spacetime submission deadline 30 Nov 2026 | Viewed by 127 | Submission Open
Keywords: quantum groups and non-commutative spacetime; loop quantum gravity and spin foams; Hořava– Lifshitz gravity and asymptotic safety; string theory; holography; and generalized symmetries; emergent gravity and quantum foundations; phenomenology and observational frontiers
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Solar Physics: Latest Advances and Prospects
edited by and Zesen Huang
submission deadline 30 Nov 2026 | Viewed by 122 | Submission Open
Keywords: solar physics; symmetry and asymmetry; solar eruptions; plasma physics; heliosphere; space weather; energetic particles
(This special issue belongs to the Section Physics)
Symmetry in Quantum Materials
edited by Hemian Yi and
submission deadline 30 Nov 2026 | Viewed by 101 | Submission Open
Keywords: symmetry; quantum materials; topological state of matter; unconventional superconductivity; correlated systems
(This special issue belongs to the Section Physics)
Symmetry and Stability in Advanced Power and Energy Systems submission deadline 30 Nov 2026 | Viewed by 99 | Submission Open
Keywords: power systems  ; stability control  ; renewable energy integration  ; energy storage  ; symmetrical components  ; electric vehicle grid integration
(This special issue belongs to the Section Engineering and Materials)
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