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/Asymmetry in Digital Image Processing
edited by and
submission deadline 16 Nov 2026 | 2 articles | Viewed by 2674 | Submission Open
Keywords: digital image processing; target recognition and classification; image generation; deep neural networks; artificial intelligence; remote sensing; deep learning
(This special issue belongs to the Section A: Computer Science)
Applications Based on AI in Mathematics and Asymmetry/Symmetry
edited by
submission deadline 30 Nov 2026 | 7 articles | Viewed by 20553 | Submission Open
Keywords: AI algorithms; symmetry; asymmetry; formal method; global optimization; extremal configuration
(This special issue belongs to the Section B: Mathematics)
Applications Based on Symmetry and Asymmetry in Deep Learning and Artificial Intelligence Methods
edited by Changshuo Wang, and Meiqing Wu
submission deadline 30 Nov 2026 | 5 articles | Viewed by 13095 | Submission Open
Keywords: point cloud symmetry; neural network architecture; symmetry-aware feature learning; 3D shape analysis; computer vision symmetry; deep learning invariance; geometric deep learning; symmetry detection; vision transformers; symmetrical pattern recognition
(This special issue belongs to the Section A: Computer Science)
Advances in Machine Learning and Symmetry/Asymmetry
edited by and Hongbin Liu
submission deadline 30 Nov 2026 | 6 articles | Viewed by 10129 | Submission Open
Keywords: machine learning; iIterative algorithm; heuristic method; efficiency; symmetry constrained optimization; process monitoring; fault diagnosis
(This special issue belongs to the Section A: Computer Science)
Symmetry and Asymmetry in Nonlinear Systems submission deadline 30 Nov 2026 | 4 articles | Viewed by 9053 | Submission Open
Keywords: nonlinear systems; bilinear systems; control; identification; stability; backlash; hysteresis
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry/Asymmetry in Image Processing and Computer Vision Using Embedded Systems
edited by and Santiago Omar Caballero-Morales
submission deadline 30 Nov 2026 | 4 articles | Viewed by 8510 | Submission Open
Keywords: image processing; computer vision; embedded systems; object recognition; image segmentation; feature extraction; dynamic environments; hardware integration; real-time applications; machine learning
(This special issue belongs to the Section A: Computer Science)
2025 9th International Conference on Electronic Information Technology and Computer Engineering
edited by Xin Luo and
submission deadline 30 Nov 2026 | 3 articles | Viewed by 6040 | 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 A: Computer Science)
Evolutionary Computation, Metaheuristics, Nature-Inspired Algorithms, and Symmetry: 2nd Edition
edited by , Yang Yu and
submission deadline 30 Nov 2026 | 5 articles | Viewed by 4121 | Submission Open
Keywords: evolutionary computation; metaheuristics; nature-inspired algorithms; single-objective optimization; multi-objective optimization; real-world engineering application; intelligent systems; artificial Intelligence
(This special issue belongs to the Section A: Computer Science)
Symmetry and Asymmetry in Optimization Algorithms and System Control
edited by , , Gang Yuan, and
submission deadline 30 Nov 2026 | 3 articles | Viewed by 3750 | Submission Open
Keywords: control methods; data encryption; information security; optimization algorithms; discrete event modeling and simulation; production scheduling; system control
(This special issue belongs to the Section A: Computer Science)
Symmetry in Lie Groups and Lie Algebras
edited by and
submission deadline 30 Nov 2026 | 4 articles | Viewed by 3684 | Submission Open
Keywords: Lie groups and Lie algebras; representation theory; integrable systems; infinitesimal deformations; symbolic computations
(This special issue belongs to the Section B: Mathematics)
Symmetry and Nonlinearity in Optics submission deadline 30 Nov 2026 | 3 articles | Viewed by 3317 | 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 C: Physics)
Symmetry and Asymmetry in Large Language Models-Based Natural Language Processing
edited by Jian Liao
submission deadline 30 Nov 2026 | 1 articles | Viewed by 3293 | Submission Open
Keywords: large language models; natural language processing; dataset imbalance; linguistic structures; model robustness; interpretability; bias mitigation; long-range dependencies
(This special issue belongs to the Section A: Computer Science)
Symmetry-Aware Generative AI: Emerging Trends and Applications in Intelligent Transportation Systems submission deadline 30 Nov 2026 | 1 articles | Viewed by 2965 | Submission Open
Keywords: symmetry in artificial intelligence; generative AI; smart transportation systems; neural network architectures; symmetric analysis
(This special issue belongs to the Section A: Computer Science)
Symmetry in Mathematical Analysis and Applications, 2nd Edition
edited by
submission deadline 30 Nov 2026 | 3 articles | Viewed by 2825 | Submission Open
Keywords: differential equations; functional analysis; mathematical models; computational analysis; applications of mathematical analysis
(This special issue belongs to the Section B: Mathematics)
Symmetry Methods and Applications in Quantum Optics and Quantum Information submission deadline 30 Nov 2026 | 2 articles | Viewed by 2009 | Submission Open
Keywords: quantum correlations; optomagnomechanical system; open quantum system; coherence; quantum thermodynamics; symmetry methods; representation theory; quantum metrology; quantum geometry; quantum teleportation
(This special issue belongs to the Section C: Physics)
Algebras and Symmetry in Fuzzy Set Theory submission deadline 30 Nov 2026 | 2 articles | Viewed by 1566 | Submission Open
Keywords: fuzzy algebraic systems; fuzzy set symmetry; generalized fuzzy sets; hybrid fuzzy models; algebraic semantics of fuzzy logic; symmetric fuzzy relations; fuzzy equivalence relations; symmetric aggregation operators
(This special issue belongs to the Section B: Mathematics)
Symmetry and Thermal Engineering
edited by and Leonardo Peña Pupo
submission deadline 30 Nov 2026 | 1 articles | Viewed by 1463 | Submission Open
Keywords: energies; thermal radiation; thermal power systems; thermal science; thermal engineering; thermal management
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Asymmetry in Dynamical Systems
edited by , Jesús Guerrero Tavares and
submission deadline 30 Nov 2026 | 1 articles | Viewed by 1378 | 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 B: Mathematics)
Asymmetry Implications in Recent Pharmacy and Medicine
edited by and Alina Cozma
submission deadline 30 Nov 2026 | Viewed by 771 | Submission Open
Keywords: structural symmetry/asymmetry; chirality; metal complexes of organic compounds; crystal lattices; drug design
(This special issue belongs to the Section D: Chemistry: Symmetry/Asymmetry)
Symmetry and Asymmetry in Astrophysics and Gravitation
edited by and Wenbin Lin
submission deadline 30 Nov 2026 | Viewed by 591 | Submission Open
Keywords: general relativity; symmetries; astrophysics; cosmology; symmetry breaking; quantum gravity; black holes; topology change; extra-dimensions
(This special issue belongs to the Section C: Physics)
Symmetry and Asymmetry in Sports and Physical Fitness: Gait, Posture and Strength
edited by
submission deadline 30 Nov 2026 | 1 articles | Viewed by 571 | Submission Open
Keywords: biomechanics; movement analysis; postural symmetry; gait symmetry; muscular strength imbalance; physical fitness; sports performance; injury prevention
(This special issue belongs to the Section E: Life Sciences)
Symmetry and Approximation Methods, 3rd Edition
edited by
submission deadline 30 Nov 2026 | 1 articles | Viewed by 511 | Submission Open
Keywords: padé approximants; renormalization group methods; self-similar approximation; asymptotic analysis; accelerated convergence methods
(This special issue belongs to the Section B: Mathematics)
Advances in Quantum Gravity: Unifying Symmetry and Spacetime submission deadline 30 Nov 2026 | Viewed by 501 | 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 C: Physics)
Symmetry/Asymmetry in Solar Physics: Latest Advances and Prospects
edited by and Zesen Huang
submission deadline 30 Nov 2026 | Viewed by 455 | Submission Open
Keywords: solar physics; symmetry and asymmetry; solar eruptions; plasma physics; heliosphere; space weather; energetic particles
(This special issue belongs to the Section C: Physics)
Symmetry in Computer Vision and Machine Learning
edited by and
submission deadline 30 Nov 2026 | Viewed by 437 | Submission Open
Keywords: computer version; machine learning; symmetry; data efficiency; robustness
(This special issue belongs to the Section A: Computer Science)
The Research of Symmetry and Asymmetry in Biomechanics submission deadline 30 Nov 2026 | Viewed by 398 | Submission Open
Keywords: biomechanics; motor control; symmetry; asymmetry; interlimb coordination; gait analysis; injury prevention; sports biomechanics; musculoskeletal modeling
(This special issue belongs to the Section E: Life Sciences)
Symmetry and Power Electronics: Theory, Design, and Applications
edited by , and Edgar Peralta-Sánchez
submission deadline 30 Nov 2026 | Viewed by 397 | Submission Open
Keywords: symmetry; power electronics; converter topologies; duality; multiphase systems; harmonic analysis; control algorithms; energy conversion; wide-bandgap devices; system optimization; renewable energy integration
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Stability in Advanced Power and Energy Systems submission deadline 30 Nov 2026 | Viewed by 345 | 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 F: Engineering and Materials)
Symmetry and Asymmetry in Audio and Speech Processing
edited by , Anas El Ansari and Ouissam Zealouk
submission deadline 30 Nov 2026 | Viewed by 344 | Submission Open
Keywords: automatic speech recognition (ASR); speech detection system; symmetry/asymmetry-aware learning; robust speech enhancement (noise/reverberation); microphone arrays and beamforming; self-supervised speech representation learning; accent/dialect variability and domain adaptation; privacy-preserving speech recognition; spoofing/deepfake detection and security
(This special issue belongs to the Section A: Computer Science)
Symmetry in Quantum Materials
edited by Hemian Yi and
submission deadline 30 Nov 2026 | Viewed by 334 | Submission Open
Keywords: symmetry; quantum materials; topological state of matter; unconventional superconductivity; correlated systems
(This special issue belongs to the Section C: Physics)
Symmetry in Electrode Materials: Structure, Properties and Applications
edited by and René Antaño-López
submission deadline 30 Nov 2026 | Viewed by 270 | Submission Open
Keywords: electrochemical systems; material characterization; modelling and computer simulation; renewable energies; supercapacitors; batteries; electrochemical performance; stability and lifespan; rational design of new materials; optimization through symmetry breaking
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry in the Dark Sector of the Universe and Recent Astronomical Observations submission deadline 30 Nov 2026 | Viewed by 246 | Submission Open
Keywords: dark sector; dark matter; dark energy; symmetry breaking; gauge symmetries; beyond the standard model (BSM); early universe cosmology; cosmological phase transitions
(This special issue belongs to the Section C: Physics)
Symmetry and Asymmetry in Rockburst Prevention and Control for Deep Mining Engineering
edited by
submission deadline 30 Nov 2026 | Viewed by 239 | Submission Open
Keywords: rock burst; coal burst; mine tremors; microseismic monitoring; coal-rock dynamic disasters; engineering case studies; intelligent early warning
(This special issue belongs to the Section F: Engineering and Materials)
Symmetries and Asymmetries in Power Electronics
edited by and Ibrahim AL-Wesabi
submission deadline 30 Nov 2026 | Viewed by 236 | Submission Open
Keywords: power electronics; symmetry; asymmetry; power converters; modulation; harmonic symmetry; unbalanced operation; fault diagnosis; grid-connected converters; renewable energy system
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry in Computational Intelligence
edited by Aijun Liu and
submission deadline 30 Nov 2026 | Viewed by 232 | Submission Open
Keywords: symmetries; computational intelligence; invariant learning; graph neural networks; deep reinforcement learning; representation learning; multi-objective optimization
(This special issue belongs to the Section A: Computer Science)
Symmetry and Asymmetry in Data-Driven Modeling, Optimization, and Engineering Applications
edited by , and
submission deadline 30 Nov 2026 | Viewed by 230 | Submission Open
Keywords: symmetry; asymmetry; machine learning models; artificial intelligence; deep learning; invariant and equivariant learning; symmetry-aware algorithms; asymmetry-aware learning; graph neural networks; physics-informed machine learning; multimodal learning; engineering and geoscience applications
(This special issue belongs to the Section A: Computer Science)
Symmetry in Relativistic Fluid Dynamics
edited by Xin An and
submission deadline 30 Nov 2026 | Viewed by 218 | Submission Open
Keywords: relativistic fluid dynamics; symmetry principle; effective theory; non-equilibrium systems; heavy-ion collisions; neutron star mergers
(This special issue belongs to the Section C: Physics)
Asymmetric Flow in Microfluidics: Cell Manipulation, Micro-Reactions, and Micro-Detection
edited by Haizhen Sun and Jian Qu
submission deadline 30 Nov 2026 | Viewed by 168 | Submission Open
Keywords: asymmetric flow; microfluidics; cell manipulation; micro-reaction; micro-detection; optical fiber sensing; microenvironment sensing; chaotic advection; inertial microfluidics; lab-on-a-chip
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Asymmetry in Fiber-Optic and Near-Infrared Sensing Systems
edited by , Adil Mustafa and
submission deadline 15 Dec 2026 | Viewed by 259 | Submission Open
Keywords: symmetry in sensors; fiber optic sensing; near-infrared (NIR) sensing; microwave photonics; sensor performance enhancement; photonic sensing applications
(This special issue belongs to the Section F: Engineering and Materials)
Symmetrical Studies in Optical Materials
edited by and Abdelmajid El Mansouri
submission deadline 30 Dec 2026 | 1 articles | Viewed by 1125 | Submission Open
Keywords: optoelectronic devices; nanomaterials; DFT calculations; experimental characterisation; thin films; renewable energy; conducting polymers; hybrid solar cells; perovskite materials; optical materials
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Asymmetry in Power Electronics and Grid Integration submission deadline 30 Dec 2026 | Viewed by 375 | Submission Open
Keywords: symmetrical renewable energy integration; symmetrical harmonic cancellation; symmetrical power converter topologies; balanced grid-forming control; symmetrical control strategies
(This special issue belongs to the Section F: Engineering and Materials)
Simulation and Modelling in Natural Sciences, Biomedicine and Engineering III
edited by
submission deadline 31 Dec 2026 | 15 articles | Viewed by 54857 | Submission Open
(This special issue belongs to the Section B: Mathematics)
Symmetries of Difference Equations, Special Functions and Orthogonal Polynomials: 3rd Edition
edited by
submission deadline 31 Dec 2026 | 18 articles | Viewed by 24028 | Submission Open
Keywords: orthogonal polynomials; difference equations; symmetries in special functions; symmetries in orthogonal polynomials; symmetries of difference equations; the analytical properties and applications of special functions; inequalities for special functions; the integration of the products of special functions; the properties of ordinary and general families of special polynomials; operational techniques involving special polynomials; classes of mixed special polynomials and their properties; other miscellaneous applications of special functions and special polynomials
(This special issue belongs to the Section B: Mathematics)
Data Driven and Intelligent Aerospace and Robotics Systems submission deadline 31 Dec 2026 | 6 articles | Viewed by 21582 | Submission Open
(This special issue belongs to the Section A: Computer Science)
Nonlinear Science and Numerical Simulation with Symmetry submission deadline 31 Dec 2026 | 6 articles | Viewed by 18516 | Submission Open
Keywords: breathers; collapse; dynamical chaos; integrability; pattern formation; reaction–diffusion systems; rogue waves; shock waves; solitons; stability; topological dynamics; vortices; skyrmions; cardiac dynamics; biological applications
(This special issue belongs to the Section B: Mathematics)
Symmetries and Fractional Differential Equations: Theory and Applications submission deadline 31 Dec 2026 | 10 articles | Viewed by 14892 | Submission Open
Keywords: fractional calculus; fractional differential equations; delay fractional differential equations; PDEs and difference equations; stochastic fractional differential equations; fractional difference equations and applications; low-rank approximations; Krylov subspaces; mathematical modeling in engineering; symmetries; integrability; control theory; numerical methods
(This special issue belongs to the Section B: Mathematics)
Symmetric and Asymmetric Distributions: New Developments and Applications submission deadline 31 Dec 2026 | 6 articles | Viewed by 14644 | Submission Open
Keywords: applications; Bayesian; regression; reliability; simulation; skewness; survival analysis
(This special issue belongs to the Section F: Engineering and Materials)
Applications Based on Symmetry in Cryptography and Information Security
edited by Yanwei Zhou
submission deadline 31 Dec 2026 | 7 articles | Viewed by 10283 | 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 A: Computer Science)
Symmetry in Applied Continuous Mechanics, 2nd Edition submission deadline 31 Dec 2026 | 4 articles | Viewed by 9115 | 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 B: Mathematics)
Symmetry and Asymmetry in Intelligent Control and Computing
edited by Yinyan Zhang, Ameer Tamoor Khan and Mohammed Aquil Mirza
submission deadline 31 Dec 2026 | 7 articles | Viewed by 9058 | Submission Open
Keywords: intelligent control; computing; symmetry; asymmetry; robotics
(This special issue belongs to the Section F: Engineering and Materials)
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