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 Its Application in Wireless Communication
edited by Chengkai Tang and Rugui Yao
submission deadline 30 Sep 2026 | 6 articles | Viewed by 13689 | Submission Open
Keywords: high-speed communication; AI enabled communication; big data processing; MIMO communication; array antennas; array signal processing; smart reflective surface
(This special issue belongs to the Section A: Computer Science)
Symmetry in Digitalisation of Distribution Power System
edited by Wei Qiu, Mengxiang Liu and Suhan Zhang
submission deadline 30 Sep 2026 | 8 articles | Viewed by 11306 | Submission Open
Keywords: smart grids; distribution power systems; energy systems; modern power systems; cyber-physical power systems
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Its Applications in Complex Analysis by the Means of Special Functions
edited by
submission deadline 30 Sep 2026 | 9 articles | Viewed by 9919 | Submission Open
Keywords: symmetry; univalent functions; bi-univalent functions; multivalent functions; fractional calculus; q-calculus; special functions
(This special issue belongs to the Section B: Mathematics)
Selected Papers: Symmetry 2025—The Fifth Edition of the International Conference on Symmetry
edited by , Changzheng Qu and
submission deadline 30 Sep 2026 | 5 articles | Viewed by 9230 | Submission Open
Keywords: physics; mathematics; chemistry; engineering; computer science; symmetry applications
Mathematical Modeling of Symmetry in Collective Biological Dynamics
edited by
submission deadline 30 Sep 2026 | 4 articles | Viewed by 7950 | Submission Open
Keywords: collective behavior; mathematical modeling; biomathematics; emergent properties; symmetry analysis
(This special issue belongs to the Section B: Mathematics)
Symmetry in Complex Analysis Operators Theory submission deadline 30 Sep 2026 | 10 articles | Viewed by 7041 | Submission Open
Keywords: analytic function; univalent function; harmonic function; differential subordination; differential superordination; strong differential subordination; strong differential superordination; fuzzy differential subordination; fuzzy differential superordination; differential operator; integral operator; differential–integral operator; linear operator
(This special issue belongs to the Section B: Mathematics)
Scheduling, Planning, Decision and Games in Intelligent Dynamic Robotics
edited by , Zhiguo Shi, Yulian Jiang and
submission deadline 30 Sep 2026 | 4 articles | Viewed by 6310 | Submission Open
Keywords: symmetric robotics; sensing and control; information fusion; data analysis; Bayesian optimization; stochastic operations; game theory; reinforcement learning; neural networks; task allocation; trajectory planning; swarm intelligence; multi-agent system; ground-based mobile robots; unmanned aerial vehicles; flying robots; space robots; submarine robots; deep space exploration vehicles; navigation, guidance and control
(This special issue belongs to the Section A: Computer Science)
Gravitational Physics, Black Holes and Space–Time Symmetry
edited by Yassine Sekhmani and
submission deadline 30 Sep 2026 | 3 articles | Viewed by 5585 | Submission Open
Keywords: black hole; neutron star; white dwarf; wormholes; general relativity solutions; alternative gravity theory solutions; quantum gravity theory solutions; space–time geometries and symmetries
(This special issue belongs to the Section C: Physics)
Fuzzy Sets, Rough Sets, and Fuzzy Relational Equations: Theoretical Advances and Applications
edited by Zofia Matusiewicz and
submission deadline 30 Sep 2026 | 3 articles | Viewed by 5412 | Submission Open
Keywords: fuzzy sets; fuzzy relational equations; rough sets; hybrid models; uncertainty modelling
(This special issue belongs to the Section B: Mathematics)
Asymmetric Problems in Computational Mechanics and Their Engineering Applications
edited by Zhanyou Luo, and Man Huang
submission deadline 30 Sep 2026 | 4 articles | Viewed by 5125 | 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 F: Engineering and Materials)
Symmetry-Aware Methods in Image Processing and Computer Vision submission deadline 30 Sep 2026 | 1 articles | Viewed by 4341 | Submission Open
Keywords: symmetry-aware methods; image processing; deep learning; lightweight neural networks; super-resolution; image denoising
(This special issue belongs to the Section A: Computer Science)
Symmetry Problems in Metal Forming
edited by and Rui Ma
submission deadline 30 Sep 2026 | 2 articles | Viewed by 4045 | Submission Open
Keywords: metal forming; material modeling; numerical simulation
Symmetry, Asymmetry, and Anisotropy in the Design and Modeling of Advanced Materials submission deadline 30 Sep 2026 | 1 articles | Viewed by 2513 | Submission Open
Keywords: symmetry-driven design; anisotropic materials; multiscale modeling; structural optimization; advanced manufacturing
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Asymmetry in Computer Vision Under Extreme Environments
edited by Peng Liu
submission deadline 30 Sep 2026 | 2 articles | Viewed by 2420 | Submission Open
Keywords: underwater vision; object detection, tracking, and recognition; machine learning and deep learning; medical image processing and analysis; 3D vision and reconstruction; image enhancement; image restoration; pattern recognition; symmetry; asymmetry
(This special issue belongs to the Section A: Computer Science)
Topics in Nanocomposites and Magnetic Materials: Symmetric/Asymmetric Applications
edited by Mohammed Al Bahri and Fatma Al Ma'Mari
submission deadline 30 Sep 2026 | 2 articles | Viewed by 2251 | Submission Open
Keywords: nanocomposites; magnetic materials; symmetry; asymmetry; spintronics; magnetic storage; energy storage; synthesis techniques; properties tuning; functional applications
(This special issue belongs to the Section C: Physics)
Finite Element Analysis, Structural Dynamics, and Symmetry/Asymmetry
edited by and
submission deadline 30 Sep 2026 | 2 articles | Viewed by 1721 | 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 F: Engineering and Materials)
Functional Analysis and Fixed Points
edited by Luoyi Shi and Ziheng Zhang
submission deadline 30 Sep 2026 | 1 articles | Viewed by 1554 | Submission Open
Keywords: fixed-point theory; iterative algorithm; metric fixed-point theory; topological methods; operator theory; operator algebra; variational principles; Banach space geometry; applications to differential equations
(This special issue belongs to the Section B: Mathematics)
Applications Based on Symmetry in Additive Manufacturing
edited by and
submission deadline 30 Sep 2026 | 1 articles | Viewed by 1324 | 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 F: Engineering and Materials)
Symmetry Application in Statistical Process Control
edited by , Xin Lai and
submission deadline 30 Sep 2026 | 2 articles | Viewed by 1298 | Submission Open
Keywords: statistical process control; change point detection; quality control; big data analytics; statistics and artificial intelligence; biostatistics/biomedical statistics
(This special issue belongs to the Section B: Mathematics)
Symmetry and Asymmetry in Computational Biology
edited by and Datao Xu
submission deadline 30 Sep 2026 | 1 articles | Viewed by 1271 | Submission Open
Keywords: foot; lower limbs; biomechanics
(This special issue belongs to the Section E: Life Sciences)
Lie Symmetry, Nonlinear Partial Differential Equations and Geometry
edited by Fiazuddin Zaman
submission deadline 30 Sep 2026 | 1 articles | Viewed by 1159 | 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 B: Mathematics)
Symmetry-Aware Embodied Intelligence: Foundations and Applications
edited by Jie Li and Yongjing Wang
submission deadline 30 Sep 2026 | 1 articles | Viewed by 1103 | 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 A: Computer Science)
Advances in 2D Materials and Symmetry Breaking in Graphene
edited by and Juan César Flores Araya
submission deadline 30 Sep 2026 | 1 articles | Viewed by 1007 | Submission Open
Keywords: graphene and symmetries; symmetry breaking; electronics; thermodynamics; optics; 2D band structures
Symmetry in Algorithm and Decision-Making
edited by and Marko Jelocnik
submission deadline 30 Sep 2026 | 1 articles | Viewed by 989 | Submission Open
Keywords: symmetry; algorithms; decision-making; multi-criteria decision making; invariance; optimization; fairness; computational models
(This special issue belongs to the Section B: Mathematics)
Symmetry and Asymmetry in Structural Engineering
edited by
submission deadline 30 Sep 2026 | 1 articles | Viewed by 791 | Submission Open
Keywords: asymmetry; structural engineering; structural behavior; irregular structures; stability; failure mechanisms; numerical and experimental analysis
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry/Asymmetry in Autonomous Robotics submission deadline 30 Sep 2026 | Viewed by 666 | Submission Open
Keywords: symmetry in robotics; asymmetry in autonomous systems; robotic locomotion and manipulation; motion planning algorithms; sensor placement optimization; perception of autonomous robots; control strategies for robotics; machine learning in robotics; human–robot interaction; adaptive robotic design
(This special issue belongs to the Section A: Computer Science)
Symmetry/Asymmetry in Cryptographic Approach for Privacy-Preserving Data Transmission and Data Analysis submission deadline 30 Sep 2026 | 1 articles | Viewed by 613 | Submission Open
Keywords: privacy-preserving technology; privacy-enhancing techniques; federated learning; cross-border federated computing; cryptography; post-quantum cryptography; financial applications; healthcare applications; privacy-preserving GenAI/LLM/Agentic AI applications; cybersecurity
(This special issue belongs to the Section A: Computer Science)
Symmetry and Asymmetry in Computer Vision and Machine Learning
edited by and
submission deadline 30 Sep 2026 | Viewed by 611 | Submission Open
Keywords: computer version; machine learning; deep learning; defect detection; anomaly detection; symmetry-based data augmentation; industrial application
(This special issue belongs to the Section A: Computer Science)
Noether Symmetries in Modified Gravity and Their Cosmological Consequences submission deadline 30 Sep 2026 | Viewed by 576 | 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 C: Physics)
Symmetry/Asymmetry in Robotics and Mechatronics submission deadline 30 Sep 2026 | Viewed by 576 | Submission Open
Keywords: robotics; mehatronics; symmetry/asymmetry; control; design
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry in Energy Storage and Its Applications submission deadline 30 Sep 2026 | Viewed by 526 | Submission Open
Keywords: energy storage and renewable energy integration; mechanical energy storage; electrochemical energy storage; electrical energy storage; chemical energy storage; hydrogen energy storage; power-to-X (PtX); grid stability; energy systems modelling; techno-economic analysis; sustainability assessment
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Asymmetry in AI-Driven Supply Chain Transformation: Trends, Innovations, and Future Directions
edited by and
submission deadline 30 Sep 2026 | Viewed by 483 | Submission Open
Keywords: artificial intelligence; supply chain management; symmetry; asymmetry; digital transformation; sustainable operations
(This special issue belongs to the Section A: Computer Science)
Nanomechanics and Symmetry in Quantum Signal Processing—Theory and Application
edited by
submission deadline 30 Sep 2026 | Viewed by 480 | Submission Open
Keywords: nanomechanics; nanoelectromechanical systems (NEMSs); quantum optomechanics; cavity quantum electrodynamics; cat states; quantum information; quantum networks; quantum sensing; quantum error correction; quantum entanglement
(This special issue belongs to the Section C: Physics)
Symmetry in Clean Energy Systems: Recent Developments and Future Directions Towards AI submission deadline 30 Sep 2026 | Viewed by 478 | Submission Open
Keywords: load profile analysis, RES design, and simulation; hybrid RES with electrical/thermal energy storage system; uninterrupted power flow and grid stability through a smart microgrid; harmonic distortion control and management; active and reactive power management; anomaly and fault detection using ML and DL; energy demand and generation power forecasting; RES health monitoring and predictive maintenance; real-time data-sourced supervised learning models for grid stability; AI-driven decision making and deployment of robots for fault attendance; economic and environmental analysis
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry and Asymmetry in Big Data Analytics submission deadline 30 Sep 2026 | Viewed by 463 | Submission Open
Keywords: symmetry and asymmetry; invariance; entropy and information theory; complex networks; big data analytics; informational asymmetry; data governance; decision support systems
(This special issue belongs to the Section A: Computer Science)
Applications Based on Symmetry in Metal Materials submission deadline 30 Sep 2026 | Viewed by 458 | Submission Open
Keywords: symmetry in metal materials; crystallographic symmetry; microstructure–property relationships; anisotropy and symmetry breaking; computational modeling
(This special issue belongs to the Section F: Engineering and Materials)
Symmetry in Network and System Security
edited by Weiwei Liu
submission deadline 30 Sep 2026 | Viewed by 438 | Submission Open
Keywords: artificial intelligence security; data security; privacy preservation; power information security; symmetric cryptography; network intrusion detection; network security
(This special issue belongs to the Section A: Computer Science)
Computational Intelligence and Soft Computing: Recent Applications—Third Volume
edited by
submission deadline 30 Sep 2026 | Viewed by 432 | 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 A: Computer Science)
Symmetry/Asymmetry in Photocatalysis submission deadline 30 Sep 2026 | Viewed by 383 | Submission Open
Keywords: materials science; nanomaterials; materials synthesis; characterization; photocatalysts; toxic dyes; pollutants; wastewater
(This special issue belongs to the Section D: Chemistry: Symmetry/Asymmetry)
Symmetry and Chirality in Functional Nanomaterials
edited by
submission deadline 30 Sep 2026 | Viewed by 382 | 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 D: Chemistry: Symmetry/Asymmetry)
Applied Symmetry in Cryptography and Information Security
edited by Funminiyi Olajide, Nemitari Ajienka and
submission deadline 30 Sep 2026 | Viewed by 367 | Submission Open
Keywords: cybersecurity governance; cloud security; digital forensics; artificial intelligence security; cybercrime; privacy engineering; digital resilience; regulatory compliance; secure digital transformation; symmetrical interactions
(This special issue belongs to the Section A: Computer Science)
Quantum Gravity and Gravitational Wave
edited by Carlos Frajuca
submission deadline 30 Sep 2026 | Viewed by 340 | 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 C: Physics)
Symmetry in Intelligent Algorithms: 2nd Edition
edited by Hongwei Kang and Xinping Sun
submission deadline 30 Sep 2026 | Viewed by 327 | Submission Open
Keywords: symmetry; intelligent algorithms; swarm intelligence; evolutionary computation; machine learning; deep learning; large language models (LLMs); transformers; neural architecture design; optimization; algorithmic fairness; hybrid models; multimodal AI; explainable AI; robustness
(This special issue belongs to the Section A: Computer Science)
Symmetry and Asymmetry in Wastewater Treatment and Bioenergy Recovery Systems submission deadline 30 Sep 2026 | Viewed by 266 | Submission Open
Keywords: symmetry/asymmetry; wastewater biorefinery; bioenergy recovery; anaerobic membrane bioreactor (AnMBR); anaerobic digestion intensification; biogas upgrading and biomethane; hydrogen from wastewater (MECs); microalgae–bacteria consortia; granular sludge and biofilms; nutrient recovery (N/P/K); struvite crystallization; hydrothermal liquefaction (HTL) of sludge; emerging contaminants (PFAS); membrane fouling control; techno-economic analysis (TEA); life-cycle assessment (LCA)
(This special issue belongs to the Section D: Chemistry: Symmetry/Asymmetry)
Symmetry/Asymmetry in Fuzzy Multi-Criteria Decision-Making: Application in Management and Engineering submission deadline 1 Oct 2026 | 2 articles | Viewed by 1789 | 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 | 1 articles | Viewed by 1025 | 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 A: Computer Science)
Asymmetric and Symmetric in Deep Computer Vision and Generative Modeling submission deadline 31 Oct 2026 | 11 articles | Viewed by 31587 | Submission Open
Keywords: deep computer vision; generative models and GANs; symmetry and asymmetry in neural networks; feature extraction and representation learning; synthetic data generation; cross-domain applications; data augmentation and transfer learning; model robustness and interpretability
(This special issue belongs to the Section A: Computer Science)
Gravitational Physics and Symmetry submission deadline 31 Oct 2026 | 8 articles | Viewed by 15043 | Submission Open
Keywords: gravitational waves and their detection; black hole physics and singularities; cosmology and the large-scale structure of the universe; theoretical developments in general relativity; symmetry principles in gravitational theories; quantum gravity and the unification of forces; experimental tests of gravitational theories; applications of symmetry in particle physics and cosmology; mathematical frameworks for symmetry and gravitation; interdisciplinary approaches to gravitational physics and symmetry
(This special issue belongs to the Section C: Physics)
Symmetry in Fractional Derivatives, Fractional Equations and Fractional Order Systems
edited by Xiaoling Han and Chenghua Gao
submission deadline 31 Oct 2026 | 9 articles | Viewed by 9775 | 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 B: Mathematics)
Symmetry in Mathematical Physics: Current Topics and Recent Advances—in Honour of Professor Jean-Pierre Gazeau on the Occasion of His 80th Birthday
edited by , and Mariano A. del Olmo
submission deadline 31 Oct 2026 | 12 articles | Viewed by 9299 | Submission Open
Keywords: symmetries in classical and quantum models; group representations; conformal field theory; integrable systems; gauge theories; symmetry breaking; quantum optics; coherent states; signal processing; aperiodic systems
(This special issue belongs to the Section C: Physics)
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