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 polices 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 and Novel Nanomaterials: Preparation, Characterizations, and Applications submission deadline 30 Nov 2024 | 1 articles | Viewed by 1901 | Submission Open
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Integrable Systems: Topics and Advances
edited by Bo Ren
submission deadline 30 Nov 2024 | 2 articles | Viewed by 1872 | Submission Open
(This special issue belongs to the Section Mathematics)
Experimental Tests of Fundamental Symmetries in Particle Physics
edited by Giulia Brunetti and Marta Torti
submission deadline 30 Nov 2024 | 2 articles | Viewed by 1773 | Submission Open
(This special issue belongs to the Section Physics)
Strongly Interacting Matter at Extreme Conditions—the Role of Symmetry Energy in Nuclear Physics and Astrophysics
edited by Odilon Lourenço, and Mariana Dutra
submission deadline 30 Nov 2024 | 2 articles | Viewed by 1680 | Submission Open
Keywords: equations of state; nuclear matter in extreme conditions; neutron stars; quark stars; hybrid stars; high-energy astrophysics; computational simulations; nuclear structure; magnetized stellar matter
(This special issue belongs to the Section Physics)
Applications of Symmetry/Asymmetry in Information Technology
edited by
submission deadline 30 Nov 2024 | 1 articles | Viewed by 1549 | Submission Open
Keywords: symmetry; asymmetry; Internet of Things (IoT); big data; heuristic and metaheuristic; information technology
(This special issue belongs to the Section Computer)
Symmetry in Nonlinear Studies II
edited by
submission deadline 30 Nov 2024 | 1 articles | Viewed by 1314 | Submission Open
Keywords: control systems; biological systems; epidemic models; fractional calculus; dynamic systems; stability
(This special issue belongs to the Section Mathematics)
Applications Based on Symmetry/Asymmetry in Machine Learning
edited by Masoud Barati, Ahmad Zareie and Vahid Seydi
submission deadline 30 Nov 2024 | 1 articles | Viewed by 839 | Submission Open
Keywords: machine learning; federated learning; blockchain technology; data representation and modelling; data classification; anomaly detection; security
(This special issue belongs to the Section Computer)
Symmetry-Related Quantum Phases in Exciton-Polariton Condensates
edited by Zhaoxin Liang
submission deadline 30 Nov 2024 | 1 articles | Viewed by 757 | Submission Open
Keywords: polariton Bose-Einstein condensate; driven-dissipative Gross-Pitaevskii equation; superfluidity; SU(2) or SU(1; 1) symmetry
(This special issue belongs to the Section Physics)
Symmetry and Ferromagnetic Materials
edited by Senfu Zhang
submission deadline 30 Nov 2024 | Viewed by 445 | Submission Open
Keywords: symmetry; ferromagnetic materials; symmetry breaking; magnetic multilayers; magnetic domains; domain wall; topological spin texture; Dzyaloshinskii– Moriya interaction; phase transitions; spintronics
(This special issue belongs to the Section Physics)
Recent Advances in Mathematical Aspect in Engineering—Second Edition
edited by , , , Zhiping Zhang and
submission deadline 30 Nov 2024 | Viewed by 336 | Submission Open
Keywords: fluid mechanics; optimization; energy; heat transfer; steady and unsteady flow problems; porosity; nanofluids; particle shape effects; multiphase flow; thermodynamics; magnetohydrodynamics; electromagnetic; physiological fluid phenomena  in biological systems; peristaltic; blood flow; symmetry
(This special issue belongs to the Section Mathematics)
Recent Advances in Electromagnetism: Topics, Advances and Applications
edited by Seddik Bri
submission deadline 30 Nov 2024 | Viewed by 321 | Submission Open
Keywords: numerical electromagnetics  ; electromagnetic devices  ; electromagnetic theory; novel smart materials; bioelectromagnetics; antenna design; graphene nanoribbons; multi-wall nanotubes; electromagnetic nanoparticles; mathematical modeling; disorders and defects in nanomaterials; dielectric properties; polarization
(This special issue belongs to the Section Engineering and Materials)
Application of Image Processing with Symmetry/Asymmetry
edited by Jiashan Cui, and Ju Huo
submission deadline 30 Nov 2024 | Viewed by 257 | Submission Open
Keywords: image process; machine learning; machine vision
(This special issue belongs to the Section Computer)
Symmetry in Data Sciences and Machine Learning for Multidisciplinary Research
edited by , and Eric Simancas-Acevedo
submission deadline 30 Nov 2024 | Viewed by 206 | Submission Open
Keywords: symmetry; asymmetry; data analysis; machine learning; data mining; fault diagnosis; spiking neural networks; swarm intelligence; data distribution
(This special issue belongs to the Section Computer)
Advances in Cybersecurity, Blockchain and Symmetry/Asymmetry
edited by Lu Zhou
submission deadline 30 Nov 2024 | Viewed by 166 | Submission Open
Keywords: cryptographic primitives; symmetry/asymmetry encryption; privacy protection; homomorphic encryption; digital signature; blockchain techniques; blockchain sharding; smart contracts; blockchain consensus mechanisms
(This special issue belongs to the Section Computer)
Exploring Symmetry in Dual Quaternion Matrices and Matrix Equations
edited by
submission deadline 30 Nov 2024 | Viewed by 166 | Submission Open
Keywords: dual quaternion matrices; matrix equations; matrix symmetry; symmetric matrices; orthogonal matrices; unitary matrices; matrix equations; Hermitian matrices; skew-symmetric matrices; Cayley transform; Lie groups and Lie algebras
(This special issue belongs to the Section Mathematics)
Symmetry/Asymmetry in Thermal Management
edited by Zengguang Sui and Dongxing Song
submission deadline 30 Nov 2024 | Viewed by 157 | Submission Open
Keywords: thermal management; heat dissipation; passive cooling; active cooling; advanced materials; thermal interface materials; fluid dynamics; thermodynamics; symmetric/asymmetric design
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Reliability Engineering
edited by , Cun Shi and Xiaoyu Cui
submission deadline 30 Nov 2024 | Viewed by 142 | Submission Open
Keywords: prognostics and health management; failure mechanism analysis; degradation modeling; reliability estimation; fault-tolerant control; fault diagnosis; health management; network reliability analysis; maintenance strategy; digital twins
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Medical Radiations Physics
edited by
submission deadline 30 Nov 2024 | Viewed by 140 | Submission Open
(This special issue belongs to the Section Physics)
New Developments of Algorithms Optimization with Symmetry/Asymmetry
edited by Fangyuan Li, , Yanni Wan and Yongxiang Zhang
submission deadline 30 Nov 2024 | Viewed by 131 | Submission Open
Keywords: symmetrical design principles and methodologies for machinery coordination and integration; symmetry-based approaches for enhancing the performance and efficiency of power electronic systems in machinery; utilization of symmetry properties in advanced control strategies for improved motion coordination and precision; symmetry-driven fault detection; diagnosis; and fault-tolerant control in machinery systems; control and optimization techniques leveraging symmetry to enhance the overall performance and reliability of machinery and power electronic systems; case studies and real-world applications showcasing the practical implementation and benefits of symmetry in machinery coordination and power electronic systems
(This special issue belongs to the Section Engineering and Materials)
Advances in Chemical Engineering with Symmetry/Asymmetry: A Focus on Clean Processes and Bio-Waste Valorization submission deadline 30 Nov 2024 | Viewed by 125 | Submission Open
Keywords: symmetry; chemical engineering; bio-waste valorization; clean processes; optimization; multiphysics modeling; efficiency systems; sustainability; exergetic analysis; numerical simulation
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Intelligent Algorithms
edited by Hongwei Kang and Xinping Sun
submission deadline 30 Nov 2024 | Viewed by 119 | Submission Open
Keywords: swarm intelligence; evolutionary computation; machine learning; behavioral symmetry; spatial symmetry; genetic algorithms; particle swarm optimization; ant colony optimization; artificial bee colony; genetic programming; differential evolution; neural networks; group-equivariant neural networks; symmetry in neural architectures; fitness evaluation; hybrid algorithms; natural language processing; text analysis; bioinformatics; environmental modeling; optimization problems; algorithm performance; scalability; convergence analysis; diversity in algorithms; hybrid approaches; real-world applications; symmetry
(This special issue belongs to the Section Computer)
Symmetry/Asymmetry in Evolutionary Algorithms
edited by Enrique Naredo and
submission deadline 30 Nov 2024 | Viewed by 117 | 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)
Symmetry in Optimization and Control with Real World Applications II
edited by
submission deadline 30 Nov 2024 | Viewed by 102 | Submission Open
Keywords: optimization; optimal control; dynamical system; complex system; symmetry
(This special issue belongs to the Section Computer)
Symmetry in Cosmological Theories and Observations
edited by and Gansukh Tumurtushaa
submission deadline 30 Nov 2024 | Viewed by 92 | Submission Open
Keywords: inflationary models and primordial symmetries; symmetry breaking in the early Universe; dark matter and dark energy models; cosmic microwave background radiation; gravitational waves and their implications for symmetry; galaxy formation and the large-scale structure of the Universe; baryogenesis and leptogenesis; symmetries in high-energy astrophysics; black holes and their symmetries; tests of fundamental symmetries using astronomical observations; symmetry principles in modified gravity theories; topological defects and cosmic strings; constraints on symmetry from cosmological data; symmetries in the evolution of the universe; role of symmetry in cosmological perturbations; asymmetry in cosmic baryon and lepton numbers; probing cosmological symmetries with next-generation observatories
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Manufacturing and Machining of Advanced Materials
edited by and Zibin Wu
submission deadline 30 Nov 2024 | Viewed by 76 | Submission Open
Keywords: casting; spray forming; additive manufacturing; semi-solid forming; extrusion; forging; rolling; drawing; bending; welding; solidification; heat treatment; plastic deformation; surface treatment; symmetry; asymmetry
(This special issue belongs to the Section Engineering and Materials)
Challenges and New Trends in Optimization and Control Theory in the Era of AI: Analysis, Modelling, and Symmetrical Mathematical Methods submission deadline 1 Dec 2024 | 1 articles | Viewed by 954 | Submission Open
Keywords: symmetric methods for solving fractional and ordinary differential equations; fractals and fractional calculus; PDE: deterministic; stochastic; and fuzzy; symmetrical/asymmetrical models in biomathematics; symmetry analysis and methods; optimization; control theory; AI and ML
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry: Shaping the Future of Power Grids
edited by Arturo R. Messina
submission deadline 1 Dec 2024 | Viewed by 134 | Submission Open
Keywords: controllability and observability; grid stability; power grids; power system dynamics; symmetry/asymmetry; re-silient grid infrastructure; risk assessment; robustness
(This special issue belongs to the Section Engineering and Materials)
Chemistry Using the Symmetry of Crystals
edited by
submission deadline 15 Dec 2024 | 1 articles | Viewed by 1066 | Submission Open
Keywords: crystallography; structural chemistry; crystal structure; symmetry; space group; chirality
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetric or Asymmetric Distributions and Its Applications
edited by Xuelong Hu
submission deadline 30 Dec 2024 | 5 articles | Viewed by 3582 | Submission Open
Keywords: symmetric or asymmetric distributions; univariate distributions; multivariate distributions
(This special issue belongs to the Section Mathematics)
Evolutionary Computation, Metaheuristics, Nature-Inspired Algorithms, and Symmetry
edited by , and Yang Yu
submission deadline 30 Dec 2024 | 2 articles | Viewed by 1665 | 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 Computer)
Recent Developments on Fuzzy Sets Extensions
edited by
submission deadline 31 Dec 2024 | 14 articles | Viewed by 17927 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry in Computational Intelligence and Applications submission deadline 31 Dec 2024 | 3 articles | Viewed by 16451 | Submission Open
(This special issue belongs to the Section Computer)
Image Processing and Symmetry: Topics and Applications
edited by Jun Xu
submission deadline 31 Dec 2024 | 10 articles | Viewed by 16233 | Submission Open
Keywords: image processing; deep learning; lightweight network; super resolution; image denoising; image deblurring
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Machine Learning
edited by Qinwei Fan, and
submission deadline 31 Dec 2024 | 5 articles | Viewed by 15820 | Submission Open
Keywords: machine learning; deep learning; convolutional neural networks; spiking neural network; recurrent neural networks; graph neural network; long short-term memory; extreme learning machine; generative adversarial networks; reinforcement learning; clustering analysis; computer vision; natural language processing; time series analysis; model-based clustering modeling high-dimensional
(This special issue belongs to the Section Computer)
Symmetry: Recent Developments in Engineering Science and Applications submission deadline 31 Dec 2024 | 10 articles | Viewed by 15685 | Submission Open
(This special issue belongs to the Section Engineering and Materials)
Golden Mean Number System and Fractal Theory for Physics and Materials Science
edited by and
submission deadline 31 Dec 2024 | 8 articles | Viewed by 13989 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry and Approximation Methods II
edited by
submission deadline 31 Dec 2024 | 6 articles | Viewed by 13823 | Submission Open
(This special issue belongs to the Section Mathematics)
Meta-Heuristics for Manufacturing Systems Optimization Ⅱ
edited by and
submission deadline 31 Dec 2024 | 8 articles | Viewed by 12368 | Submission Open
(This special issue belongs to the Section Engineering and Materials)
Mathematical Modeling in Biology and Life Sciences
edited by Yueping Dong, and Yasuhiro Takeuchi
submission deadline 31 Dec 2024 | 11 articles | Viewed by 11607 | Submission Open
Keywords: population dynamics; infectious disease modelling; complex network; virus dynamics and mutation; cancer immune modelling; potential symmetries; differential equations; dynamical systems
(This special issue belongs to the Section Mathematics)
Symmetry in Nonlinear Equations: Mathematical Models, Methods and Applications Ⅱ
edited by
submission deadline 31 Dec 2024 | 7 articles | Viewed by 11595 | Submission Open
Keywords: symmetry operators; mathematical modeling techniques; qualitative properties of solutions; oscillation theory; delay differential equations; ordinary differential/ difference equations; partial/functional equations; fractional differential and integral calculus; applications  
(This special issue belongs to the Section Mathematics)
Asymmetric Membranes: Volume 2 submission deadline 31 Dec 2024 | 3 articles | Viewed by 10193 | Submission Open
Keywords: asymmetric membranes; inorganic membranes; polymeric membranes; porous membranes; membrane design
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Advances in Theoretical High Energy Physics - Solving Quantum Field Theory
edited by , Giulia Ricciardi, Francesco Sannino and Gian Paolo Vacca
submission deadline 31 Dec 2024 | 4 articles | Viewed by 9812 | Submission Open
(This special issue belongs to the Section Physics)
Data Driven and Intelligent Aerospace and Robotics Systems submission deadline 31 Dec 2024 | 6 articles | Viewed by 8281 | Submission Open
(This special issue belongs to the Section Computer)
Symmetries and Anomalies in Flavour Physics
edited by , Thomas Blake and Farvah Nazila Mahmoudi
submission deadline 31 Dec 2024 | 8 articles | Viewed by 8254 | Submission Open
Keywords: flavor physics; physics beyond the standard model; anomalies; lepton flavor universality; lepto-quarks; Z’
(This special issue belongs to the Section Physics)
Hidden Dark Sector in High Energy Physics
edited by Theodota Lagouri
submission deadline 31 Dec 2024 | 3 articles | Viewed by 7932 | Submission Open
Keywords: high energy collider physics; LHC; hidden dark sector; exotic Higgs decays; dark photon; dark matter (DM); beyond the Standard Model (BSM)
(This special issue belongs to the Section Physics)
Elementary Fixed Point Theory and Common Fixed Points II submission deadline 31 Dec 2024 | 8 articles | Viewed by 7248 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry in Discrete and Combinatorial Geometry submission deadline 31 Dec 2024 | 2 articles | Viewed by 7116 | Submission Open
Keywords: polyhedra and polytopes; polyhedra and crystallography; crystal nets; polyhedral graphs; and skeletal polyhedral structures; polyhedra and maps on surfaces; tiling; packing; and covering; soft packings; nested clusters; and condensed matter; symmetry groups and reflection groups; discrete point sets; abstract polytopes; polyhedral design
(This special issue belongs to the Section Mathematics)
Symmetry and Chaos in Quantum Mechanics
edited by
submission deadline 31 Dec 2024 | 5 articles | Viewed by 6933 | Submission Open
Keywords: supersymmetry; higher-spin symmetry; discrete symmetry; higher form symmetry; higher categorical symmetry; algebraic structures in quantum systems; quantum phase transition; disorder and quantum chaos; integrability; bootstrap
(This special issue belongs to the Section Physics)
Symmetric and Asymmetric Distributions: New Developments and Applications submission deadline 31 Dec 2024 | 6 articles | Viewed by 6505 | Submission Open
Keywords: applications; Bayesian; regression; reliability; simulation; skewness; survival analysis
(This special issue belongs to the Section Engineering and Materials)
Symmetry Applied in Biometrics Technology submission deadline 31 Dec 2024 | 1 articles | Viewed by 6118 | Submission Open
Keywords: biometrics; identification; symmetry; pattern recognition; soft biometrics; safety; security
(This special issue belongs to the Section Computer)
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