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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Advances in Computer Vision, Pattern Recognition, Machine Learning and Symmetry submission deadline 30 Jun 2024 | 40 articles | Viewed by 62083 | Submission Open
Keywords: computer vision; pattern recognition; machine learning; symmetry; machine intelligence applied in industry; medicine; and biotechnology; intelligence in biomedical engineering; intelligent robotic systems; autonomous driving systems; data mining
(This special issue belongs to the Section Computer)
Quantum Mechanics: Concepts, Symmetries, and Recent Developments
edited by
submission deadline 30 Jun 2024 | 11 articles | Viewed by 16262 | Submission Open
Keywords: Supersymmetry; Superintegrability; Phase space formulation; Entanglement; Measurement theory; Symmetry group invariance; Representation theory; Anyons; Deformation quantization
(This special issue belongs to the Section Physics)
Recent Developments on Fuzzy Sets Extensions
edited by
submission deadline 30 Jun 2024 | 13 articles | Viewed by 15752 | Submission Open
(This special issue belongs to the Section Mathematics)
Symmetry and Asymmetry in Medicinal Chemistry
edited by
submission deadline 30 Jun 2024 | 5 articles | Viewed by 11421 | Submission Open
Keywords: Chirality; Drugs; Natural compounds; Synthesis; Analysis; Pharmacophore; Targets; In silico/in vitro/in vivo studies; Asymmetry in nanosciences; Legislation and guidelines; Chemical biology
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetric Methods and Analysis for Differential and Integral Equations submission deadline 30 Jun 2024 | 4 articles | Viewed by 6073 | Submission Open
Keywords: differential equations; Integral equations; numerical methods; numerical analysis
(This special issue belongs to the Section Mathematics)
Metamaterials and Symmetry: Recent Advances and Applications
edited by
submission deadline 30 Jun 2024 | 4 articles | Viewed by 5437 | Submission Open
Keywords: metamaterial; symmetry; seismic; acoustic; terahertz; microwave and antennas
(This special issue belongs to the Section Engineering and Materials)
Emerging Applications of Machine Learning in Smart Systems Symmetry submission deadline 30 Jun 2024 | 3 articles | Viewed by 5419 | Submission Open
(This special issue belongs to the Section Computer)
Symmetry Energy in Nuclear Physics and Astrophysics submission deadline 30 Jun 2024 | 3 articles | Viewed by 5219 | Submission Open
Keywords: Nuclear symmetry energy; Equation of state; Nuclear structure; Nuclear astrophysics; Heavy ion physics; Neutron-rich nuclei; Nuclear binding energy; Symmetric nuclear matter; Neutron stars
(This special issue belongs to the Section Physics)
Noether and Space-Time Symmetries in Physics—Volume Ⅱ submission deadline 30 Jun 2024 | 4 articles | Viewed by 4660 | Submission Open
Keywords: noether symmetry; space– time symmetry; exact solutions; cosmology; gravity; modified gravity; conserved quantity; astrophysics solutions
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Life Sciences: Feature Papers 2024
edited by
submission deadline 30 Jun 2024 | 4 articles | Viewed by 4140 | Submission Open
(This special issue belongs to the Section Life Sciences)
Advances in Nuclear Astrophysics and Symmetry submission deadline 30 Jun 2024 | 2 articles | Viewed by 3352 | Submission Open
Keywords: nucleosynthesis scenarios; nuclear symmetry energy; equation of state; nuclear structure; nuclear astrophysics; neutron stars; dense and/or asymmetric nuclear matter; reaction rates; neutron-rich nuclei; energy density functional theory
(This special issue belongs to the Section Physics)
Advances in Graph Theory
edited by Yuefang Sun
submission deadline 30 Jun 2024 | 3 articles | Viewed by 3211 | Submission Open
(This special issue belongs to the Section Mathematics)
New Advances in Symmetric Cryptography
edited by Xiaoyang Dong
submission deadline 30 Jun 2024 | 3 articles | Viewed by 2992 | Submission Open
Keywords: block cipher; stream cipher; hash function; message authentication codes; authenticated encryption; cryptanalysis
(This special issue belongs to the Section Computer)
Application of Symmetry in Innovative Microwave/Millimeter-Wave/THz Antenna, Circuit and Radar System
edited by Yao Zhang and
submission deadline 30 Jun 2024 | 2 articles | Viewed by 2037 | Submission Open
Keywords: antenna; circuit; radar system; symmetrical metamaterials; satellite phased array
(This special issue belongs to the Section Engineering and Materials)
Symmetric or Asymmetric Distributions and Its Applications
edited by Xuelong Hu
submission deadline 30 Jun 2024 | 3 articles | Viewed by 2032 | Submission Open
Keywords: symmetric or asymmetric distributions; univariate distributions; multivariate distributions
(This special issue belongs to the Section Mathematics)
Symmetry in Hadron Physics
edited by
submission deadline 30 Jun 2024 | 3 articles | Viewed by 1834 | Submission Open
Keywords: hadrons; quantum chromodynamics; baryon spectrum; meson spectrum; multiquark states; exotic states
(This special issue belongs to the Section Physics)
Advance in Functional Equations, Second Edition submission deadline 30 Jun 2024 | 2 articles | Viewed by 1831 | Submission Open
Keywords: functional equation; functional inequality; stability in a sense of Ulam; generalized Hyers– Ulam; stability of functional equation; hyperstability and superstability; applications of functional equations; applications of functional inequalities; utility theory; risk maeasures and their properties; symmetry in functional equations and inequalities
(This special issue belongs to the Section Mathematics)
Advances in Metamaterial and Asymmetry/Symmetry
edited by Guidong Liu, and
submission deadline 30 Jun 2024 | 1 articles | Viewed by 1477 | Submission Open
Keywords: metamaterials; metasurfaces; sub-wavelength nanostructures; novel optical phenomena in metamaterials; bound states in the continuum in metamaterials; topological properties in metamaterials; optical and optoelectronic devices based on metamaterials
(This special issue belongs to the Section Engineering and Materials)
Asymmetric Studies with Complex Mechanical Systems
edited by , , and Minghui Hu
submission deadline 30 Jun 2024 | 1 articles | Viewed by 1205 | Submission Open
Keywords: asymmetry analysis; abnormal detection; condition monitoring; artificial intelligence
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Materials and Mechanical Engineering: Properties and Applications
edited by , Gengyuan Gao and
submission deadline 30 Jun 2024 | 1 articles | Viewed by 1144 | Submission Open
Keywords: symmetry; asymmetry; mechanical design; heterogeneous structure; micro-nano functional structure; surface technology; heat transfer; directed transport; fluid flow
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Control Systems: Theory and Applications
edited by Ying Zhao
submission deadline 30 Jun 2024 | 1 articles | Viewed by 1095 | Submission Open
Keywords: symmetry; control systems; control theory; symmetry applications; control applications; control algorithm; automation control; robots; airplanes; engine systems
(This special issue belongs to the Section Engineering and Materials)
Dirac Equations and Quantum Mechanics – in Memory of Paul Adrien Maurice Dirac’s 120th Birthday submission deadline 30 Jun 2024 | 1 articles | Viewed by 1058 | Submission Open
(This special issue belongs to the Section Physics)
Evolutionary Computation, Metaheuristics, Nature-Inspired Algorithms, and Symmetry
edited by , and Yang Yu
submission deadline 30 Jun 2024 | 1 articles | Viewed by 1028 | 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)
Applications of Graph Theory, Discrete Mathematics and Symmetry in Science, Technology and Art submission deadline 30 Jun 2024 | Viewed by 750 | Submission Open
Keywords: theory graph; modeling; graphs applications; discrete mathematics; symmetry; optimization
(This special issue belongs to the Section Mathematics)
Unsolved Problems in Stability and Optimal Control Theory of Stochastic Systems
edited by
submission deadline 30 Jun 2024 | Viewed by 677 | Submission Open
Keywords: stochastic hereditary systems; stochastic differential equation with varying delay; stochastic difference equation with continuous time; stochastic hyperbolic equation; two-parameter Wiener process; stability and optimal control
(This special issue belongs to the Section Mathematics)
Manipulation of Elastic Waves and Its Application in Symmetry/Asymmetry-Engineered Structures
edited by Liyun Cao, Yanlong Xu and
submission deadline 30 Jun 2024 | Viewed by 529 | Submission Open
Keywords: metamaterial; metasurface; phononic crystals; noise and vibration isolation/absorption; inverse design; elastic wave propagation; symmetric system
(This special issue belongs to the Section Physics)
Symmetry/Asymmetry in Drug Delivery Systems submission deadline 30 Jun 2024 | Viewed by 357 | Submission Open
Keywords: drug delivery; drug carrier; drug storage system; nanomaterials; target specificity; symmetric linker; desymmetrization; drug conjugates; controlled release; stimuli-responsive; symmetry/asymmetry
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Topological Physics
edited by and Muntaser Naamneh
submission deadline 30 Jun 2024 | Viewed by 280 | Submission Open
Keywords: symmetry; topology; topological phases; topological materials; topological phase transitions; Dirac/Weyl semimetal  
(This special issue belongs to the Section Physics)
Operation and Control of Symmetric/Asymmetric Integrated Circuits and Electric Vehicles
edited by
submission deadline 30 Jun 2024 | Viewed by 244 | Submission Open
Keywords: symmetry; integrated circuits; electric vehicles; control; optimization; complex systems
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Graphene and Nanotechnology
edited by Yuhao Li
submission deadline 30 Jun 2024 | Viewed by 206 | Submission Open
Keywords: symmetry breaking; graphene; moiré superlattices; flexoelectricity; ferroelectricity; atomic force microscopy; piezoelectric force microscopy; scanning tunneling microscopy; strain engineering
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry/Asymmetry in Lithium-Sulfur Batteries
edited by Hong Liu and
submission deadline 30 Jun 2024 | Viewed by 184 | Submission Open
Keywords: lithium– sulfur batteries; symmetry/asymmetry; catalytic conversion; DFT calculations; electrode reaction kinetics
(This special issue belongs to the Section Engineering and Materials)
Symmetry in Biomechanics
edited by Olivera Knezevic and
submission deadline 30 Jun 2024 | Viewed by 157 | Submission Open
Keywords: biomechanics; sports asymmetry; athletic performance; injury prevention; rehabilitation techniques
(This special issue belongs to the Section Life Sciences)
Symmetry and Advances in Fuzzy Sets and Fuzzy Optimization in Artificial Intelligence
edited by Jian Liu and Peng Li
submission deadline 2 Jul 2024 | Viewed by 488 | Submission Open
(This special issue belongs to the Section Computer)
The Qualitative Theory of Functional Differential Equations and their Applications
edited by and
submission deadline 15 Jul 2024 | 7 articles | Viewed by 10315 | Submission Open
Keywords: Functional differential equations  ; Delay/neutral/advanced differential equations  ; Ordinary differential equation  ; Difference equation; Partial differential equation  ; Symmetry in differential equations  ; Numerical analysis; numerical modeling  ; Approximation; stability; oscillation; boundedness; periodicity; and asymptotic properties
(This special issue belongs to the Section Mathematics)
Symmetry in Hamiltonian Dynamical Systems
edited by Fernando Haas
submission deadline 15 Jul 2024 | 6 articles | Viewed by 6778 | Submission Open
Keywords: Lie symmetry; Noether symmetry; generalized Hamiltonian systems; integrable dynamical systems; exact constants of motion; solitons; Painlevé analysis; nonlinear waves
(This special issue belongs to the Section Physics)
Symmetry in Control Systems Engineering submission deadline 15 Jul 2024 | 3 articles | Viewed by 4590 | Submission Open
Keywords: symmetry; process control; advanced process control; model predictive control; real-time optimization; process optimization; energy efficiency; data analysis; discrete event systems; supervisory control; robotics; manufacturing processes; control theory; control and estimation; optimal control
(This special issue belongs to the Section Engineering and Materials)
Symmetries and Ultra Dense Matter of Compact Stars II: Emergence of Symmetries in Strong Nuclear Correlations
edited by
submission deadline 15 Jul 2024 | 4 articles | Viewed by 3926 | Submission Open
Keywords: super dense matter; topology change; hadron-quark continuity; IR fixed point; dilatons; vector manifestation; emergent hidden symmetries; chiral-scale effective field theory; generalized density-functional theory; Landau– Migdal Fermi-liquid theory; un-Fermi liquids
(This special issue belongs to the Section Physics)
Probability and Statistics Theory in Symmetry and Application from Machine Learning to Biomedical Data submission deadline 15 Jul 2024 | 2 articles | Viewed by 1708 | Submission Open
Keywords: limit theorems; probability and statistics; stochastic processes and its applications
(This special issue belongs to the Section Mathematics)
Applications Based on Symmetry/Asymmetry in Structural Dynamics
edited by Kamran Foroutan
submission deadline 15 Jul 2024 | 1 articles | Viewed by 947 | Submission Open
Keywords: symmetry analysis in structural dynamics; asymmetric structures and vibration modes; utilizing asymmetry in structural dynamics to enhance structural response and stability; investigating the effects of symmetry breaking on vibration modes and modal analysis of complex structural systems; applications of symmetry/asymmetry in structural dynamics; symmetry-based design principles in structural dynamics; exploiting symmetry/asymmetry in structural dynamics to enhance the structural efficiency and load-carrying capacity; dynamic control through structural asymmetry
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Ocean Engineering submission deadline 15 Jul 2024 | Viewed by 409 | Submission Open
Keywords: hydrodynamics; hull design; offshore structure; wave loads; propulsion system; sustainable solution
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Geophysical Prospecting
edited by
submission deadline 15 Jul 2024 | Viewed by 250 | Submission Open
Keywords: symmetry; asymmetry; geophysical prospecting; data acquisition; data processing; interpretation; inversion; imaging; pattern recognition; multi-physics integration; geological characterization; reservoir characterization; uncertainty analysis; error propagation; noise mitigation
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Its Applications in Experimental Fluid Mechanics submission deadline 17 Jul 2024 | 4 articles | Viewed by 3827 | Submission Open
Keywords: Symmetric flow phenomena; Axisymmetric vortex; Vortex of symmetry; Symmetric flow field; Symmetric flow pattern; Symmetric interface; Flow visualization; Particle image velocimetry (PIV); Multiphase flow; Droplets/bubbles; experimental fluid mechanics; flow visualization; microgravity fluid physics; vortex; microfluidics; particle image velocimetry (PIV); multiphase flow; interface flow; laminar flow; flow stability; droplets/bubbles
(This special issue belongs to the Section Physics)
Asymmetry in Machine Learning
edited by Hui Zhang and
submission deadline 30 Jul 2024 | Viewed by 228 | Submission Open
Keywords: machine learning; prediction algorithms; accuracy; SVM; data set
(This special issue belongs to the Section Computer)
Symmetry and Asymmetry in Sport Sciences submission deadline 31 Jul 2024 | 17 articles | Viewed by 43367 | Submission Open
Keywords: symmetry; asymmetry; variability; balance; performance; injury prevention
(This special issue belongs to the Section Life Sciences)
Symmetries of Difference Equations, Special Functions and Orthogonal Polynomials II
edited by
submission deadline 31 Jul 2024 | 38 articles | Viewed by 39324 | Submission Open
(This special issue belongs to the Section Mathematics)
Research on Fuzzy Logic and Mathematics with Applications II
edited by
submission deadline 31 Jul 2024 | 21 articles | Viewed by 32471 | Submission Open
Keywords: fuzzy set; nonstandard fuzzy set; fuzzy soft set; fuzzy logic; fuzzy topology; fuzzy algebra; fuzzy graph theory; fuzzy control; fuzzy decision making; fuzzy arithmetic; fuzzy classification and pattern recognition
(This special issue belongs to the Section Mathematics)
Symmetric and Asymmetric Data in Solution Models, Part II submission deadline 31 Jul 2024 | 6 articles | Viewed by 20836 | Submission Open
Keywords: Symmetry and asymmetry particularities in sustainable development modelling; Symmetry and asymmetry particularities in economics and business modelling; Symmetry and asymmetry particularities in public; environmental; and occupational health; Symmetry and asymmetry particularities in engineering and technology; Symmetric and asymmetric information properties for extreme situation modelling; Data mining and integration of symmetric and asymmetric information; Description of symmetric and asymmetric data in models; Multiple-criteria problem solution models with certainly and vague determined data; Symmetric and asymmetric risks of problems; Hybrid problem solution models; Fuzzy sets; Intuitionistic fuzzy sets; Neutrosophic sets; Rough sets; Grey systems; Novel descriptions of sets; Computer-aided problem solution
(This special issue belongs to the Section Computer)
Nonlinear Symmetric Systems and Chaotic Systems in Engineering submission deadline 31 Jul 2024 | 5 articles | Viewed by 15832 | Submission Open
Keywords: nonlinear dynamics; chaotic dynamics; nonlinear methods; mathematical modelling; control theory; applications of chaos and nonlinear dynamics
(This special issue belongs to the Section Mathematics)
Golden Mean Number System and Fractal Theory for Physics and Materials Science
edited by and
submission deadline 31 Jul 2024 | 8 articles | Viewed by 13164 | Submission Open
(This special issue belongs to the Section Mathematics)
Next-Generation Green Wireless Networks and Industrial IoT submission deadline 31 Jul 2024 | 3 articles | Viewed by 12976 | Submission Open
Keywords: 5G/6G; green communications; energy-efficient wireless communications; smart cities; sustainable networks; smart grid communications; energy harvesting; machine learning; IoT
(This special issue belongs to the Section Engineering and Materials)
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