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 Asymmetry in Natural Language Processing
edited by Yang Li and Junwen Duan
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1355 | Submission Open
Keywords: deep learning; natural language processing; large language model; multimodal model
(This special issue belongs to the Section Computer)
Functional Equations and Inequalities: Topics and Applications submission deadline 28 Feb 2026 | 2 articles | Viewed by 999 | Submission Open
Keywords: functional equations; functional inequalities; stability theory; Ulam stability; fixed point theory; difference equations; operator theory; applications of functional equations
(This special issue belongs to the Section Mathematics)
Symmetry in Civil Transportation Engineering—2nd Edition
edited by and Renliang Shan
submission deadline 28 Feb 2026 | 1 articles | Viewed by 811 | 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)
Symmetry/Asymmetry in Intelligent Transportation
edited by and Wei Li
submission deadline 28 Feb 2026 | 1 articles | Viewed by 606 | Submission Open
Keywords: pavement detection; road performance; traffic flow; traffic accident analysis; vehicle road collaboration
(This special issue belongs to the Section Computer)
Symmetry in Lie Groups and Lie Algebras
edited by and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 601 | Submission Open
Keywords: Lie groups and Lie algebras; representation theory; integrable systems; infinitesimal deformations; symbolic computations
(This special issue belongs to the Section Mathematics)
Quantum Technologies in Computing, Communication, Sensing and Imaging
edited by
submission deadline 28 Feb 2026 | Viewed by 484 | Submission Open
Keywords: quantum computing; quantum communication; quantum sensing; quantum imaging; quantum networks; quantum internet; superposition; entanglement; single photons; single electrons; single spins; trapped ions and atoms; qubits; qudits; simulations; cryptography; quantum key distribution
(This special issue belongs to the Section Physics)
Symmetries in Optimization Theory and Its Applications
edited by Xiaoxi Zhang, Jinhang Zuo and Chee Wei Tan
submission deadline 28 Feb 2026 | Viewed by 402 | Submission Open
Keywords: optimization theory; symmetry in optimization; symmetric cone optimization; combinatorial optimization; sparse optimization; statistical optimization; financial optimization; economic optimization; interior-point methods; first-order methods; learning-aided optimization; reinforcement learning; neural networks; mathematical modeling
(This special issue belongs to the Section Computer)
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 340 | 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)
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 333 | 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)
Symmetry and Asymmetry in Computer Vision Under Extreme Environments
edited by Peng Liu
submission deadline 28 Feb 2026 | Viewed by 332 | 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 Computer)
Modeling and Simulation of Mechanical Systems and Symmetry
edited by Ciro Tordela
submission deadline 28 Feb 2026 | Viewed by 326 | Submission Open
Keywords: dynamics; model-based estimation; model-based control; vehicle dynamics; symmetric dynamic behaviour; multibody
(This special issue belongs to the Section Engineering and Materials)
Advances in Symmetry and Asymmetry Relations in Fuzzy Set Theory Applied to Decision-Making Methods submission deadline 28 Feb 2026 | Viewed by 317 | Submission Open
Keywords: symmetry; asymmetry; fuzzy set theory; fuzzy systems; decision-making methods (MCDM/MCDA)
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Coordination Chemistry submission deadline 28 Feb 2026 | Viewed by 312 | Submission Open
Keywords: metal complexes; synthesis; structural analysis; ligands; spectroscopy; biological activity; optical properties
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Chiral Pollutants: Environmental Impact, Detection, and Remediation
edited by
submission deadline 28 Feb 2026 | Viewed by 312 | Submission Open
Keywords: chirality; enantiomers; chiral pollutants; environmental impact; detection; remidiation
(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 255 | 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)
Symmetrical Studies in Optical Materials
edited by and Abdelmajid El Mansouri
submission deadline 28 Feb 2026 | Viewed by 229 | 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)
Symmetry in Variational Inequality Problems and Fixed Point Theory and Their Applications
edited by
submission deadline 28 Feb 2026 | Viewed by 229 | Submission Open
Keywords: variational inequalities; fixed point theory; minimax problems; optimization problems; variational inclusions; predict methods in statistics; predict algorithms by applied mathematical algorithms; machine learnings; artificial intelligence; predict algorithms with applications in health care including heart disease; common problems associated with variational inequalities and fixed point problems; proximal point algorithms; numerical comparisons; stability of numerical methods; symmetry
Symmetry/Asymmetry in Numerical Analysis and Scientific Computing submission deadline 28 Feb 2026 | Viewed by 220 | 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 220 | Submission Open
Keywords: string theory; quantum mechanics; general relativity; supersymmetry; fermions and bosons; supergravity
(This special issue belongs to the Section Physics)
Advances in Symmetry and Asymmetry in Fracture Mechanics submission deadline 28 Feb 2026 | Viewed by 212 | Submission Open
Keywords: symmetry in mechanics; fracture mechanics; material symmetry; nonlinear finite elements
(This special issue belongs to the Section Engineering and Materials)
Exploring Advanced Post-Quantum Cryptography: Securing the Future
edited by and
submission deadline 28 Feb 2026 | Viewed by 191 | Submission Open
Keywords: quantum computing; post-quantum cryptography (PQC); cryptographic system; blockchain; symmetry
(This special issue belongs to the Section Computer)
Synthesis and Application of Organic Molecules Based on Symmetry
edited by Jian Zhang and
submission deadline 28 Feb 2026 | Viewed by 167 | 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 in Molecular Simulation submission deadline 28 Feb 2026 | Viewed by 165 | Submission Open
Keywords: symmetry in atomic-scale lattice disorders; nanomaterial characterization; property prediction (mechanical; thermal; electronic) of advanced materials; computational method development with engineering significance; molecular dynamics simulations; symmetry in multiscale modeling; mathematical/theoretical frameworks; machine learning approaches; finite element methods
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Fluid Mechanics
edited by
submission deadline 28 Feb 2026 | Viewed by 157 | Submission Open
Keywords: nonlinear dynamics; fluid mechanics; theoretical and experimental advances; applications; symmetry and asymmetry
(This special issue belongs to the Section Physics)
Applications of Symmetry/Asymmetry and Machine Learning
edited by Jianhang Zhou
submission deadline 28 Feb 2026 | Viewed by 142 | Submission Open
Keywords: symmetry in machine learning; asymmetry-aware learning; group-equivariant neural networks; partial multi-label learning; interpretable machine learning; robust machine learning; applications with symmetric model
(This special issue belongs to the Section Computer)
Nanomechanics and Symmetry in Quantum Signal Processing—Theory and Application
edited by
submission deadline 28 Feb 2026 | Viewed by 122 | 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 Physics)
Symmetry in Statistical Physics and Nonlinear Phenomena
edited by Francisco W. De Sousa Lima
submission deadline 28 Feb 2026 | Viewed by 121 | Submission Open
Keywords: phase transition; networks; opinion dynamics; non-equilibrium; Ising model
(This special issue belongs to the Section Physics)
Symmetry in Microfluidics and Electrohydrodynamics submission deadline 28 Feb 2026 | Viewed by 115 | 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)
Astrophysical Neutrinos in the Multi-Messenger Era and Their Broken Symmetries
edited by
submission deadline 28 Feb 2026 | Viewed by 106 | 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/Asymmetry in the Numerical Study of Heat Transfer and Fluid Flow
edited by
submission deadline 28 Feb 2026 | Viewed by 85 | Submission Open
Keywords: heat transfer; fluid flow; numerical study; thermal performance
(This special issue belongs to the Section Physics)
Symmetry and Mechanical Engineering
edited by Călbureanu Mădălina
submission deadline 28 Feb 2026 | Viewed by 77 | Submission Open
Keywords: symmetry; finite element method; vibrations; heat transfer; mass transfer
(This special issue belongs to the Section Engineering and Materials)
Contributions to the Study of Post-Maxwellian Electrodynamics
edited by Patricio Gaete and
submission deadline 28 Feb 2026 | Viewed by 65 | Submission Open
Keywords: quantum electrodynamics; vacuum birefringence; vacuum dichroism; photons-photons scattering; nonlinear electrodynamics; refractive index; radiation; permittivity and susceptibility; post-maxwellian electrodynamics; physics beyond the standard model
(This special issue belongs to the Section Physics)
Asymmetrical Problems and Countermeasures in Deep Excavations and Tunnelling Engineering submission deadline 10 Mar 2026 | Viewed by 167 | Submission Open
Keywords: deep excavation; tunnel; geomechanics; underground engineering; rock; soil; asymmetry
Symmetry and Gravitational Waves in Black Hole Physics
edited by Zhan-Feng Mai and Jinbo Yang
submission deadline 15 Mar 2026 | Viewed by 114 | 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 | 5 articles | Viewed by 9821 | 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 | 1 articles | Viewed by 1526 | 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/Asymmetry in Optimization Algorithms and Systems Control
edited by and Yuanyuan Zhang
submission deadline 30 Mar 2026 | 1 articles | Viewed by 360 | Submission Open
Keywords: optimization algorithm; systems control; autonomous system; multi-objective decision-making
(This special issue belongs to the Section Computer)
Symmetry and Approximation Methods II
edited by
submission deadline 31 Mar 2026 | 5 articles | Viewed by 16471 | Submission Open
(This special issue belongs to the Section Mathematics)
Asymmetric and Symmetric in Deep Computer Vision and Generative Modeling submission deadline 31 Mar 2026 | 5 articles | Viewed by 14501 | 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 Computer)
Symmetric and Asymmetric Distributions: New Developments and Applications submission deadline 31 Mar 2026 | 6 articles | Viewed by 11576 | Submission Open
Keywords: applications; Bayesian; regression; reliability; simulation; skewness; survival analysis
(This special issue belongs to the Section Engineering and Materials)
Symmetry in the Soliton Theory
edited by , Dianchen Lu, and
submission deadline 31 Mar 2026 | 5 articles | Viewed by 10610 | Submission Open
Keywords: soliton; solitary waves; dynamical systems theory; bifurcation analysis; exact solutions; approximate solutions; numerical methods; fractional partial differential equations; fractional calculus; Darboux transformation; Bä cklund transformation; homotopy analysis method; homotopy perturbation method; lie symmetry; laplace transform
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry Study in Graph Theory
edited by
submission deadline 31 Mar 2026 | 5 articles | Viewed by 10063 | Submission Open
Keywords: symmetry in graph theory; fault diagnosis of nodes or links in interconnected networks; combinatorial algorithms; graph neural networks (GNNs); integration of graph properties with uncertainty; restricted connectivity and diagnosability of multiprocessor systems; algorithmic complexity in graph theory
(This special issue belongs to the Section Computer)
Symmetry and Its Application in Wireless Communication
edited by Chengkai Tang and Rugui Yao
submission deadline 31 Mar 2026 | 4 articles | Viewed by 8591 | 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 Computer)
Symmetries and Fractional Differential Equations: Theory and Applications submission deadline 31 Mar 2026 | 6 articles | Viewed by 6807 | 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 Mathematics)
Nonlinear Analysis and Applications, Geometry of Banach Spaces and Symmetry II submission deadline 31 Mar 2026 | 5 articles | Viewed by 6202 | Submission Open
Keywords: fixed-point theory and applications; best proximity point theory and applications; nonlinear operator theory and applications; generalized contractive mappings; equilibrium problems and applications; variational inequality problems and applications; optimization problems and applications; game theory and applications; numerical algorithms for nonlinear problems; well-posedness in fixed-point theory; stability of functional equations related to fixed-point theory; differential and integral equations; geometry of banach spaces; symmetry
(This special issue belongs to the Section Mathematics)
Symmetry in Microelectronics and Solid-State Electronics
edited by , Guoqing Xin, , Ying Liu, and
submission deadline 31 Mar 2026 | 1 articles | Viewed by 5187 | Submission Open
Keywords: semiconductors; integrated circuits (ICs); microelectronic devices; transistors; diodes
(This special issue belongs to the Section Engineering and Materials)
Graphic Representation and Symmetry Applied to the Technical Historical Heritage submission deadline 31 Mar 2026 | 1 articles | Viewed by 4072 | Submission Open
Keywords: engineering graphics; architectural graphics; symmetry; technical historical heritage; ancient machines; technical drawing; descriptive geometry; computer-aided design; geometric modeling; virtual reality; augmented reality; computer animation
(This special issue belongs to the Section Engineering and Materials)
Navigating the Frontiers of 6G Wireless Communication Networks and Beyond
edited by Jamal Belkadid and
submission deadline 31 Mar 2026 | 2 articles | Viewed by 3945 | Submission Open
Keywords: wireless network; mimo system; antenna arrays; visible light communication; non-orthogonal multiple access; multiple input multiple output
(This special issue belongs to the Section Computer)
Advances in Symmetry/Asymmetry and Biomedical Engineering
edited by and
submission deadline 31 Mar 2026 | 3 articles | Viewed by 3672 | Submission Open
Keywords: vascular disease; biomarkers; brain science; cognitive neuroscience; neurological dysfunctions; brain functional network connectivity; hyperscanning; motion and rehabilitation
(This special issue belongs to the Section Life Sciences)
Symmetry/Asymmetry in Image Processing and Computer Vision Using Embedded Systems
edited by and Santiago Omar Caballero-Morales
submission deadline 31 Mar 2026 | 3 articles | Viewed by 3346 | 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 Computer)
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