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 Computational and Theoretical Chemistry submission deadline 31 Jan 2026 | Viewed by 117 | Submission Open
Keywords: chemical physics; theoretical chemistry; computational chemistry; quantum chemical calculations; density functional theory (DFT); electronic structure calculations; symmetry; asymmetry; chirality; chemical reactivity; nanoscience; molecular self-assembly; scanning tunneling microscopy
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Mathematical Analysis and Applications, 2nd Edition
edited by
submission deadline 31 Jan 2026 | Viewed by 116 | Submission Open
Keywords: differential equations; functional analysis; mathematical models; computational analysis; applications of mathematical analysis
(This special issue belongs to the Section Mathematics)
Symmetry in Fuzzy Integro-Differential Equations
edited by
submission deadline 31 Jan 2026 | Viewed by 101 | 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)
Symmetry in Fault Detection, Diagnosis, and Prognostics submission deadline 31 Jan 2026 | Viewed by 79 | Submission Open
Keywords: symmetry in fault detection; symmetry in system degradation; AI-based fault diagnosis; predictive maintenance; signal processing for fault detection; physics-informed machine learning; vibration analysis; industrial diagnostics; sensor fusion; reliability engineering
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry in Nuclear Energy and Engineering
edited by Gustavo Alonso, Kevin T. Clarno and
submission deadline 31 Jan 2026 | Viewed by 79 | 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)
Modified Gravity and Related Symmetries
edited by Branko Dragovich and
submission deadline 31 Jan 2026 | Viewed by 67 | 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)
Symmetry/Asymmetry in Harmonic Analysis and Applications
edited by Ridha Horchani
submission deadline 31 Jan 2026 | Viewed by 62 | 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)
Symmetry in Energy Systems and Electrical Power submission deadline 31 Jan 2026 | Viewed by 55 | 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)
Applications Based on Symmetry in Additive Manufacturing
edited by and
submission deadline 31 Jan 2026 | Viewed by 51 | 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 29 | 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)
Symmetries/Asymmetries in Neurorehabilitation
edited by
submission deadline 1 Feb 2026 | Viewed by 242 | 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)
Lorentz Symmetry and General Relativity
edited by and
submission deadline 15 Feb 2026 | 2 articles | Viewed by 3727 | 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 | Viewed by 94 | 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 and Complexity, 4th Edition
edited by
submission deadline 15 Feb 2026 | Viewed by 88 | 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 52 | 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
Symmetries in Pattern Recognition: Principles and Applications submission deadline 27 Feb 2026 | Viewed by 71 | 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/Asymmetry in Quantum Mechanics
edited by Baoyi Chen
submission deadline 28 Feb 2026 | 2 articles | Viewed by 2710 | 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/Asymmetry in Fuzzy Control submission deadline 28 Feb 2026 | 2 articles | Viewed by 1330 | 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)
Meta-Heuristics for Manufacturing Systems Optimization, 3rd Edition
edited by , and Jing Wang
submission deadline 28 Feb 2026 | 2 articles | Viewed by 567 | Submission Open
Keywords: meta-heuristic; production scheduling; optimization; manufacturing systems
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Intelligent Transportation
edited by and Wei Li
submission deadline 28 Feb 2026 | Viewed by 394 | Submission Open
Keywords: pavement detection; road performance; traffic flow; traffic accident analysis; vehicle road collaboration
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Coordination Chemistry submission deadline 28 Feb 2026 | Viewed by 225 | Submission Open
Keywords: metal complexes; synthesis; structural analysis; ligands; spectroscopy; biological activity; optical properties
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Civil Transportation Engineering—2nd Edition
edited by and Renliang Shan
submission deadline 28 Feb 2026 | Viewed by 208 | Submission Open
Keywords: new building structural systems; excavation and support of large cross-section tunnels; PBA construction method; surrounding rock– support interaction; surface settlement during tunnel excavation; new technologies for geotechnical testing; mechanical properties of frozen rock and soil; environmental geotechnical engineering
(This special issue belongs to the Section Engineering and Materials)
2025 9th International Conference on Electronic Information Technology and Computer Engineering
edited by Xin Luo and
submission deadline 28 Feb 2026 | Viewed by 177 | 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)
Advances in Symmetry and Asymmetry Relations in Fuzzy Set Theory Applied to Decision-Making Methods submission deadline 28 Feb 2026 | Viewed by 146 | Submission Open
Keywords: symmetry; asymmetry; fuzzy set theory; fuzzy systems; decision-making methods (MCDM/MCDA)
(This special issue belongs to the Section Mathematics)
Symmetry and Asymmetry in Natural Language Processing
edited by Yang Li and Junwen Duan
submission deadline 28 Feb 2026 | Viewed by 123 | Submission Open
Keywords: deep learning; natural language processing; large language model; multimodal model
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Intelligent Control and Computing
edited by Yinyan Zhang, Ameer Tamoor Khan and Mohammed Aquil Mirza
submission deadline 28 Feb 2026 | Viewed by 113 | Submission Open
Keywords: intelligent control; computing; symmetry; asymmetry; robotics
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Internet of Things and Distributed Computing Systems: Recent Innovations, Architecture (Design and Modelling), and Case Studies submission deadline 28 Feb 2026 | Viewed by 95 | Submission Open
Keywords: internet of things; distributed core banking systems; distributed medical systems and applications; internet of medical things; smart agriculture systems; distributed manufacturing systems; technological advancements; symmetry in distributed systems; big data; data quality
(This special issue belongs to the Section Computer)
Applications Based on Symmetry in Machine Learning and Data Mining
edited by Hao Chen and
submission deadline 28 Feb 2026 | Viewed by 72 | 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)
Symmetry/Asymmetry in Numerical Analysis and Scientific Computing
edited by and José Carlos Ortiz Alemán
submission deadline 28 Feb 2026 | Viewed by 68 | Submission Open
Keywords: numerical analysis; parallel computing; symmetry in algorithms; asymmetry in computing; load balancing; GPU computing; multi-GPU systems; heterogeneous computing; high-performance computing (HPC); OpenMP; SYCL; OpenACC; MPI; hybrid parallel programming; performance optimization; scalability in parallel systems; task scheduling; algorithm efficiency; computational workload distribution; resource allocation
(This special issue belongs to the Section Computer)
Advances in String Theory, Supersymmetry and Supergravity
edited by
submission deadline 28 Feb 2026 | Viewed by 53 | Submission Open
Keywords: string theory; quantum mechanics; general relativity; supersymmetry; fermions and bosons; supergravity
(This special issue belongs to the Section Physics)
Symmetry in Microfluidics and Electrohydrodynamics submission deadline 28 Feb 2026 | Viewed by 46 | Submission Open
Keywords: microfluidics; electrohydrodynamics; microfluidic design; electrohydrodynamic effects; portable instrumentation; (bio)sensing; point of care testing
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
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 28 Feb 2026 | Viewed by 46 | 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 Physics)
Synthesis and Application of Organic Molecules Based on Symmetry
edited by Jian Zhang and
submission deadline 28 Feb 2026 | Viewed by 45 | Submission Open
Keywords: organic synthesis; catalysis; reaction mechanisms; chirality; natural products; medicine; materials; biochemistry; applied chemistry
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry and Quantum Chromodynamics
edited by , Heribertus Bayu Hartanto and Jesus Javier Cobos-Martinez
submission deadline 28 Feb 2026 | Viewed by 43 | Submission Open
Keywords: color confinement and SCSB; hadron structure; gluon saturation; non-perturbative QCD; QCD under extreme condition; QCD beyond standard model
(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 | Viewed by 38 | 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 in Lie Groups and Lie Algebras
edited by and
submission deadline 28 Feb 2026 | Viewed by 30 | Submission Open
Keywords: Lie groups and Lie algebras; representation theory; integrable systems; infinitesimal deformations; symbolic computations
(This special issue belongs to the Section Mathematics)
Symmetrical Studies in Optical Materials
edited by and Abdelmajid El Mansouri
submission deadline 28 Feb 2026 | Viewed by 21 | 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 Engineering and Materials)
Astrophysical Neutrinos in the Multi-Messenger Era and Their Broken Symmetries
edited by
submission deadline 28 Feb 2026 | Viewed by 10 | Submission Open
Keywords: neutrino; neutrino astronomy; multi-messenger; neutrino oscillation; neutrino physics; neutrino mass; sterile neutrino; right-handed neutrino; Glashow resonance; weak interaction broken symmetries
(This special issue belongs to the Section Physics)
Symmetry and Gravitational Waves in Black Hole Physics
edited by Zhan-Feng Mai and Jinbo Yang
submission deadline 15 Mar 2026 | Viewed by 34 | Submission Open
Keywords: black holes; gravitational waves; holographic duality; binary black holes; quasinormal modes; fundamental physics; cosmology
(This special issue belongs to the Section Physics)
Symmetry in Fixed Point Theory and Optimization: Computations and Applications
edited by
submission deadline 20 Mar 2026 | Viewed by 707 | Submission Open
Keywords: fixed point theory; nonlinear analysis; optimization (vector optimization; linear programming); equilibrium and variational inequality problems; iterative algorithms; fractional calculus; stochastic systems; approximation algorithms; computer science
(This special issue belongs to the Section Mathematics)
Symmetry and Asymmetry in Optimization Algorithms and System Control
edited by , , Gang Yuan, and
submission deadline 30 Mar 2026 | Viewed by 61 | 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 Computer)
Symmetry in Microelectronics and Solid-State Electronics
edited by , Guoqing Xin, , Ying Liu, and
submission deadline 31 Mar 2026 | 1 articles | Viewed by 1822 | Submission Open
Keywords: semiconductors; integrated circuits (ICs); microelectronic devices; transistors; diodes
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Security and Theoretical Computer Science submission deadline 31 Mar 2026 | Viewed by 448 | 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 86 | 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 82 | 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 65 | 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 43 | 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 38 | 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 34 | Submission Open
Keywords: astrophysics; astroparticle physics; nuclear astrophysics; dark matter; dark energy; black hole physics; cosmology
(This special issue belongs to the Section Physics)
Asymmetric Problems in Computational Mechanics and Their Engineering Applications
edited by Zhanyou Luo, and Man Huang
submission deadline 31 Mar 2026 | Viewed by 32 | 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)
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