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: Mathematical Applications (Fuzzy Systems, Artificial Intelligence, and Neuro-Fuzzy) in Energy and Agricultural Systems
edited by , Marcelo Campos and
submission deadline 31 Jan 2026 | Viewed by 738 | Submission Open
Keywords: fuzzy systems; artificial intelligence; neuro-fuzzy; applied mathematics; collaborative computing; machine learning; electrical power systems; agricultural systems
(This special issue belongs to the Section Mathematics)
Symmetry in Energy Systems and Electrical Power submission deadline 31 Jan 2026 | 1 articles | Viewed by 730 | Submission Open
Keywords: symmetry; asymmetry; optimization; energy systems; electrical power; grids and microgrids; energy efficiency; sustainability; reliability
(This special issue belongs to the Section Engineering and Materials)
Stability and Bifurcation in Discrete Dynamical Systems: Application to Population Dynamics
edited by
submission deadline 31 Jan 2026 | 1 articles | Viewed by 627 | Submission Open
Keywords: discrete dynamical systems; difference equations; population dynamics; autonomous models; nonautonomous periodic models; evolutionary models; local stability; global stability; bifurcation
(This special issue belongs to the Section Mathematics)
Symmetrical Mathematical Computation in Fluid Dynamics, 2nd Edition
edited by and
submission deadline 31 Jan 2026 | 1 articles | Viewed by 480 | Submission Open
Keywords: symmetry; mathematical computation of fluid dynamics; symmetry constraints; symmetry breaking; transitional flow; reduced-order modeling; data-driven models
Control and Protection Technologies for Converter-Based Power Systems Under Symmetric and Asymmetric Conditions
edited by Yingyu Liang, and Botong Li
submission deadline 31 Jan 2026 | Viewed by 348 | Submission Open
Keywords: grid-following converters; grid-forming converters; fault ride-through; small-signal stability; transient stability; interaction coupling mechanism; fault characteristic; new protection principles; fault diagnosis and location; artificial intelligence
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry: Computational and/or Experimental Studies on Bio-Organic Compounds
edited by
submission deadline 31 Jan 2026 | Viewed by 296 | Submission Open
Keywords: gaseous; solvated; or crystal structure; isomerism; internal and external effects; homo- and/or hetero-association; electron delocalization; physical; physicochemical; or biochemical properties in the gas phase and/or solution; biological activity; molecular modeling and/or experimental studies
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry/Asymmetry in Harmonic Analysis and Applications
edited by Ridha Horchani
submission deadline 31 Jan 2026 | Viewed by 232 | Submission Open
Keywords: harmonic analysis; symmetry; asymmetry; Fourier analysis; wavelet theory; partial differential equations; signal processing; imaging; quantum mechanics; mathematical applications
(This special issue belongs to the Section Mathematics)
Modified Gravity and Related Symmetries
edited by Branko Dragovich and
submission deadline 31 Jan 2026 | Viewed by 223 | Submission Open
Keywords: modified gravity; symmetries in modified gravity; f(R) gravity; f(T) gravity; nonlocal gravity; horndeski gravity; phenomenology of modified gravity; black holes in modified gravity; mathematical foundations of gravity
(This special issue belongs to the Section Physics)
Applications Based on Symmetry in Nuclear Energy and Engineering
edited by Gustavo Alonso, Kevin T. Clarno and
submission deadline 31 Jan 2026 | Viewed by 197 | Submission Open
Keywords: nuclear reactors; fuel assembly performance; transient analysis; stability analysis; fault diagnosis; electricity system planning; electricity system design; operational efficiency; reliability
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Fuzzy Set
edited by Panagiotis Chountas
submission deadline 31 Jan 2026 | Viewed by 195 | 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)
Symmetry and Asymmetry in Data Compression
edited by and
submission deadline 31 Jan 2026 | Viewed by 194 | Submission Open
Keywords: data compression; symmetry detection; algorithm analysis; exact and approximate symmetry; lossless and lossy data compression; symmetrical and asymmetrical data compression algorithms; spatial; time-varying and non-geometric data; feature-based data compression; error control
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Machine Learning and Data Science: Methods and Applications in Text Mining
edited by and Bahrini Aram
submission deadline 31 Jan 2026 | Viewed by 187 | Submission Open
Keywords: symmetry/asymmetry in NLP; text classification and clustering; imbalanced text data; semantic relationships; bias detection and fairness; social media mining; low-resource language processing; dimensionality reduction; bibliometric analysis; web content mining
(This special issue belongs to the Section Computer)
Symmetry in Fuzzy Integro-Differential Equations
edited by
submission deadline 31 Jan 2026 | Viewed by 186 | Submission Open
Keywords: symmetry analysis; fuzzy sets; integro-differential equations; continuous symmetries; conservation laws; modeling uncertainty; fuzzy logic; numerical methods; transformation methods; exact solutions; variational principles; functional analysis; nonlinear dynamics
(This special issue belongs to the Section Mathematics)
Applications Based on Symmetry in Additive Manufacturing
edited by and
submission deadline 31 Jan 2026 | Viewed by 182 | Submission Open
Keywords: additive manufacturing; symmetry-driven design; topology optimization; dimension reduction; 4D printing; bio-inspired structures; multi-material AM; numerical modeling; hierarchical lattices
(This special issue belongs to the Section Engineering and Materials)
Symmetries in Galaxies: Structure, Motion, and Evolution of Galaxies
edited by Zhuo Chen, and
submission deadline 31 Jan 2026 | Viewed by 176 | Submission Open
Keywords: galaxy formation; galaxy evolution; star formation; chemical enrichment; feedback; cosmological simulations; galaxy morphology and kinematics; large-scale surveys
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Metamaterials
edited by Liyun Cao and Yifan Zhu
submission deadline 31 Jan 2026 | Viewed by 130 | Submission Open
Keywords: metamaterial; metasurface; phononic crystals; symmetry/asymmetry design and behavior; elastic wave propagation; noise and vibration isolation/absorption
(This special issue belongs to the Section Engineering and Materials)
Symmetries/Asymmetries in Neurorehabilitation
edited by
submission deadline 1 Feb 2026 | Viewed by 362 | Submission Open
Keywords: neurorehabilitation; symmetry; asymmetry; central motor neuron diseases; multiple sclerosis; spinal cord injuries; stroke; advanced technologies; robotics; exoskeletons; functional electrical stimulation; repetitive transcranial magnetic stimulation (rTMS); virtual reality; motor and sensory impairments; personalized therapeutic interventions
(This special issue belongs to the Section Life Sciences)
Advances on Engineering Graphics: Improvements and New Proposals, Volume 2 submission deadline 15 Feb 2026 | 5 articles | Viewed by 17576 | Submission Open
(This special issue belongs to the Section Computer)
Lorentz Symmetry and General Relativity
edited by and
submission deadline 15 Feb 2026 | 2 articles | Viewed by 5719 | 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 in Applied Continuous Mechanics, 2nd Edition submission deadline 15 Feb 2026 | 2 articles | Viewed by 3828 | Submission Open
Keywords: symmetry; skew symmetry; identical parts; automotive engineering; structure; numerical analysis; modal analysis; finite element method (FEM); aerospace engineering; theoretical models; elastic systems; eigenvalue; eigenmode; experimental methods; civil engineering
(This special issue belongs to the Section Mathematics)
Symmetry in Next-Generation Intelligent Information Technologies
edited by , Si-Nian Jin and
submission deadline 15 Feb 2026 | 2 articles | Viewed by 2226 | Submission Open
Keywords: artificial intelligence; wireless communication; automation control; big data; computer science
Symmetry and Complexity, 4th Edition
edited by
submission deadline 15 Feb 2026 | Viewed by 393 | Submission Open
Keywords: calculus; ordinary and partial differential equations; integral differential equations; stochastic integral problems; complexity; symmetry
Symmetry in Theoretical Particle Physics and Hadron Physics
edited by and Joaquin Grefa
submission deadline 15 Feb 2026 | Viewed by 210 | Submission Open
Keywords: Z3 center symmetry and confinement; chiral symmetry restoration; phase transitions in hot and dense QCD; neutron stars; heavy-ion collisions; QCD phase transitions; color superconductivity; lattice QCD; RMF models; neutrino transport; in-medium mass of hadrons; equation of state
Application of Symmetry/Asymmetry and Machine Learning submission deadline 20 Feb 2026 | Viewed by 285 | Submission Open
Keywords: symmetry; asymmetry; machine learning; blockchain technology; image processing; computer vision; embedded systems; pattern recognition; deep learning; feature extraction
(This special issue belongs to the Section Computer)
Symmetries in Pattern Recognition: Principles and Applications submission deadline 27 Feb 2026 | Viewed by 181 | Submission Open
Keywords: pattern recognition; signal processing; artificial intelligence; neural networks; time series; biomedical signals; deep learning; applied mathematics; biometrics; differential equations
(This special issue belongs to the Section Computer)
Symmetry in Process Optimization submission deadline 28 Feb 2026 | 9 articles | Viewed by 11583 | Submission Open
Keywords: symmetry; process optimization; machine learning; optimization methods; interdisciplinary; algorithm efficiency; model robustness; solution quality; engineering; physics; chemistry; medecine
(This special issue belongs to the Section Computer)
Symmetry in Mathematical Models submission deadline 28 Feb 2026 | 7 articles | Viewed by 11479 | Submission Open
Keywords: artificial intelligence; machine learning; neural network; data analysis; big data in astrophysics; nonlinear dynamics; biomathematics; mathematical modelling; chaos; symmetry
(This special issue belongs to the Section Mathematics)
Symmetry and Its Applications in Partial Differential Equations
edited by and Dianchen Lu
submission deadline 28 Feb 2026 | 8 articles | Viewed by 11443 | Submission Open
Keywords: partial differential equations; mathematical methods; exact solutions; solitons; solitary waves; analytical and numerical wave solutions
(This special issue belongs to the Section Mathematics)
Symmetry and Its Applications in Image Processing
edited by José Luis Vázquez-Noguera, Horacio Legal-Ayala and
submission deadline 28 Feb 2026 | 6 articles | Viewed by 10605 | Submission Open
Keywords: symmetry; image processing; visual data analysis; symmetric algorithms; pattern recognition; computational imaging; symmetry detection; feature extraction; symmetric patterns; symmetry-based transformations
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Fuzzy Control submission deadline 28 Feb 2026 | 7 articles | Viewed by 7885 | 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)
Research on Fuzzy Logic and Mathematics with Applications, 3rd Edition
edited by
submission deadline 28 Feb 2026 | 8 articles | Viewed by 7571 | Submission Open
Keywords: fuzzy set; nonstandard fuzzy set; fuzzy soft set; fuzzy logic; fuzzy topology; fuzzy algebra; fuzzy graph theory; fuzzy control; fuzzy decision making; fuzzy arithmetic; fuzzy classification and pattern recognition
(This special issue belongs to the Section Mathematics)
Advances in Image Processing with Symmetry/Asymmetry
edited by and Shunli Zhang
submission deadline 28 Feb 2026 | 4 articles | Viewed by 6053 | Submission Open
Keywords: Image processing; symmetry; asymmetry; computer vision; feature extraction; pattern recognition; deep learning; medical imaging; remote sensing
(This special issue belongs to the Section Computer)
Mechanics of Heterogeneous Solids and Structures submission deadline 28 Feb 2026 | 2 articles | Viewed by 5034 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry and Asymmetry in Intelligent Control and Computing
edited by Yinyan Zhang, Ameer Tamoor Khan and Mohammed Aquil Mirza
submission deadline 28 Feb 2026 | 6 articles | Viewed by 4249 | Submission Open
Keywords: intelligent control; computing; symmetry; asymmetry; robotics
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry of Molecules Related to Biological Activity submission deadline 28 Feb 2026 | 2 articles | Viewed by 4225 | Submission Open
Keywords: protein symmetry; biomolecular symmetry; supramolecular assembly; symmetries of biological assemblies; crystal structure; biological activity; molecular docking
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry/Asymmetry in Future Wireless Networks
edited by , and Han Xiao
submission deadline 28 Feb 2026 | 4 articles | Viewed by 4108 | Submission Open
Keywords: wireless networks; network architecture; network management; quality of service
(This special issue belongs to the Section Computer)
Advances in Machine Learning and Symmetry/Asymmetry
edited by and Hongbin Liu
submission deadline 28 Feb 2026 | 3 articles | Viewed by 4072 | Submission Open
Keywords: machine learning; iIterative algorithm; heuristic method; efficiency; symmetry constrained optimization; process monitoring; fault diagnosis
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Quantum Mechanics
edited by Baoyi Chen
submission deadline 28 Feb 2026 | 2 articles | Viewed by 3952 | Submission Open
Keywords: symmetry breaking; conservation equation; phase transition; deep learning; conservation in statistics; quantum mechanics
(This special issue belongs to the Section Physics)
Symmetry and Its Applications in Complex Analysis by the Means of Special Functions
edited by
submission deadline 28 Feb 2026 | 4 articles | Viewed by 3752 | Submission Open
Keywords: symmetry; univalent functions; bi-univalent functions; multivalent functions; fractional calculus; q-calculus; special functions
(This special issue belongs to the Section Mathematics)
Meta-Heuristics for Manufacturing Systems Optimization, 3rd Edition
edited by , and Jing Wang
submission deadline 28 Feb 2026 | 3 articles | Viewed by 3331 | Submission Open
Keywords: meta-heuristic; production scheduling; optimization; manufacturing systems
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry in Machine Learning and Data Mining
edited by Hao Chen and
submission deadline 28 Feb 2026 | 4 articles | Viewed by 3311 | Submission Open
Keywords: symmetry; machine learning; data mining; invariance; model generalization; pattern detection; interdisciplinary research; neural networks; feature extraction
(This special issue belongs to the Section Computer)
The Equation of State of Compact Stars submission deadline 28 Feb 2026 | 1 articles | Viewed by 3000 | Submission Open
Keywords: matter in canonical neutron star; the role of quantities such as nuclear incompressibility; nuclear symmetry energy; and nuclear effective mass; Nature of phase transitions in hybrid compact stars: first order; crossover; critical end points in the QCD phase diagram; dense matter in heavy ion collisions; hybrid stars in disconnected branches of the mass– radius diagram; quark stars with and without strangeness; impact of the EoS in compact star cooling processes; EoS with hyperon and boson content; hot dense nuclear matter in proto-compact stars and in mergers; methods of EoS determination from observables: Bayesian analyses; neural networks; machine learning approaches; effective field theories; dense matter in rotating compact stars; probing the compact star EoS with gravitational waves; the equation of state under the framework of alternative theories of gravity; dark matter in the compact star EoS
(This special issue belongs to the Section Physics)
Applications Based on Symmetry/Asymmetry in Data Mining
edited by and
submission deadline 28 Feb 2026 | 2 articles | Viewed by 2767 | Submission Open
Keywords: data mining; symmetry; asymmetry; pattern recognition; anomaly detection; classification; machine learning; feature engineering; data analysis; clustering
(This special issue belongs to the Section Computer)
2025 9th International Conference on Electronic Information Technology and Computer Engineering
edited by Xin Luo and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 2692 | Submission Open
Keywords: digital signal processing; sensor technology; embedded systems; digital communication technologies; satellite communication technologies; wireless network communication technologies; mobile communication; computer network communications; signal and image processing; multimedia technology; semiconductor devices; optical networks; communication; computer applications; photovoltaic system; power electronics; radio frequency; automation; virtual instrumentation; grid computing; robotics; information remote sensing; numerical analysis; operating systems; programming paradigms; quantum computing theory; scientific computing; computer programming; database management systems; evolutionary computation; logic programming; machine learning; software engineering; software testing; symbolic mathematics; advanced adaptive signal processing; spectrum estimation and modeling; TF spectrum analysis and wavelet analysis; higher-order spectral analysis; adaptive filtering and signal processing; array signal processing; hardware implementation for signal processing; speech and audio coding; speech synthesis and recognition; image processing and understanding; information ocean technology; PDE for image processing; video compression and streaming; computer vision and VR; multimedia and human– computer interactions; statistic learning and pattern recognition; AI and neural networks; communication signal processing; SP for internet and wireless communication
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Evolutionary Algorithms
edited by Enrique Naredo and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 2465 | Submission Open
Keywords: genetic algorithms; genetic programming; grammatical evolution; evolutionary computation; evolutionary programming; evolution strategies; differential evolution; swarm intelligence; particle swarm optimization; artificial bee colony; ant colony optimization; artificial immune systems; memetic algorithms; large-scale optimization problems; cuckoo search algorithms; symbiotic organisms search; whale optimization algorithms; butterfly optimization algorithms; medical image processing and analysis; fundamentals of evolutionary algorithms; biometric recognition; optimization and learning methods; document analysis and recognition; video analysis and understanding; character recognition; visual applications and systems; face recognition and pose estimation; vision problems in robotics and autonomous driving; pattern classification and clustering analysis; object detection; tracking; and recognition; machine learning; action recognition; neural networks and deep learning; multimedia analysis and reasoning; feature extraction and feature selection; GPU implementation of evolutionary computing; symmetry
(This special issue belongs to the Section Computer)
Advances in Control Systems and Symmetry/Asymmetry
edited by Yiming Wu
submission deadline 28 Feb 2026 | 1 articles | Viewed by 2447 | Submission Open
Keywords: symmetric/asymmetric control constraints; intelligent optimal control; neural-network-based control; event-triggered control; adaptive iterative learning control; nonlinear tracking control; robust control; stochastic system control
(This special issue belongs to the Section Computer)
Supersymmetry Approaches in Quantum Mechanics and Field Theory
edited by
submission deadline 28 Feb 2026 | 2 articles | Viewed by 2126 | Submission Open
Keywords: susyqm; supersymmetry; supersymmetric Wigner– Dunkl quantum mechanics; isospectrality; shape invariance; algebraic methods in quantum mechanics; factorization method
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry in Artificial Intelligence for Cybersecurity
edited by Shafiq Ul Rehman
submission deadline 28 Feb 2026 | 2 articles | Viewed by 1967 | Submission Open
Keywords: artificial intelligence in cybersecurity; symmetry and asymmetry in AI; adversarial machine learning; explainable AI (XAI); cyber threat detection; AI-powered security solutions; deep learning for cyber defense; AI ethics in cybersecurity; intelligent risk assessment; autonomous security systems; federated learning for cybersecurity; human– AI collaboration in cyber defense
(This special issue belongs to the Section Computer)
Symmetry Problems in Metal Forming
edited by and Rui Ma
submission deadline 28 Feb 2026 | 2 articles | Viewed by 1946 | Submission Open
Keywords: metal forming; material modeling; numerical simulation
Symmetry/Asymmetry in Computer Vision and Pattern Recognition for Sensing Smart Cities
edited by , and Ana Marcela Herrera-Navarro
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1528 | Submission Open
Keywords: computer vision systems; pattern recognition; symmetry and asymmetry; smart cities; video understanding; video analytics; smart sensing
(This special issue belongs to the Section Computer)
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