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-Aware Embodied Intelligence: Foundations and Applications
edited by Jie Li and Yongjing Wang
submission deadline 30 Sep 2026 | Viewed by 66 | 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 Computer)
Symmetry/Asymmetry in Photocatalysis submission deadline 30 Sep 2026 | Viewed by 55 | Submission Open
Keywords: materials science; nanomaterials; materials synthesis; characterization; photocatalysts; toxic dyes; pollutants; wastewater
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Computational Intelligence and Soft Computing: Recent Applications—Third Volume submission deadline 30 Sep 2026 | Viewed by 51 | 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 Computer)
Quantum Gravity and Gravitational Wave
edited by Carlos Frajuca
submission deadline 30 Sep 2026 | Viewed by 35 | 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 Physics)
Symmetry and Chirality in Functional Nanomaterials
edited by
submission deadline 30 Sep 2026 | Viewed by 35 | 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 Chemistry: Symmetry/Asymmetry)
Advances in Physical & Theoretical Chemistry with Symmetry/Asymmetry
edited by
submission deadline 30 Sep 2026 | Viewed by 7 | Submission Open
Keywords: symmetry; chirality; group theory; asymmetric catalysis; spectroscopic selection rules; molecular electronic structure; piezoelectric devices; symmetry breaking; nonlinear optics
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Finite Element Analysis, Structural Dynamics, and Symmetry/Asymmetry
edited by and
submission deadline 30 Sep 2026 | Viewed by 4 | 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 Engineering and Materials)
Symmetry/Asymmetry in Fuzzy Multi-Criteria Decision-Making: Application in Management and Engineering submission deadline 1 Oct 2026 | Viewed by 147 | 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/Asymmetry in Goodness-of-Fit Testing and Statistical Inference Using Non-Parametric Approaches submission deadline 31 Oct 2026 | Viewed by 994 | Submission Open
Keywords: goodness-of-fit testing; non-parametric statistics; empirical likelihood; survival analysis; censored data; fuzzy; test for symmetry; optimization algorithms; Monte Carlo simulations
(This special issue belongs to the Section Mathematics)
Symmetry in Primordial Black Holes
edited by Paulo Custodio, Rodolfo Valentim and Marcio G. B. de Avellar
submission deadline 31 Oct 2026 | Viewed by 428 | Submission Open
Keywords: cosmology; primordial black holes; inflation; phase transitions in the early universe
(This special issue belongs to the Section Physics)
Majorana Neutrinos and Matter-Antimatter Asymmetry: Status and Prospects of Double Beta Decay Search in Experiment and in Theory
edited by Shaobo Wang
submission deadline 31 Oct 2026 | Viewed by 369 | Submission Open
Keywords: Majorana neutrinos; neutrinoless double beta decay; matter and antimatter asymmetry; underground experiment
(This special issue belongs to the Section Physics)
Symmetry and Asymmetry on Artificial Neural Networks for Visual Learning
edited by and
submission deadline 31 Oct 2026 | Viewed by 342 | Submission Open
Keywords: artificial intelligence; computer vision; image processing; pattern recognition; machine learning; deep learning; artificial neural networks
(This special issue belongs to the Section Computer)
Symmetry-Inspired Approaches in Control, Robotics, and Intelligent Systems submission deadline 31 Oct 2026 | 1 articles | Viewed by 304 | Submission Open
Keywords: symmetry in control systems; asymmetric control strategies; intelligent control; fuzzy logic and neuro-fuzzy systems; model predictive control (MPC); robust and adaptive control; reinforcement learning for control; evolutionary and metaheuristic optimization; robotics; multi-agent and swarm systems; cyber-physical systems; fault-tolerant and resilient control; bio-inspired and symmetry-based  algorithms; system identification and dynamic modeling; motion planning and trajectory control; mechatronics systems
(This special issue belongs to the Section Computer)
Applications Based on Symmetry/Asymmetry in Structural Dynamics: 2nd Edition
edited by Kamran Foroutan
submission deadline 31 Oct 2026 | Viewed by 86 | 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 and Their Applications in Railroad and Highway Engineering submission deadline 31 Oct 2026 | Viewed by 77 | Submission Open
Keywords: symmetry and asymmetry; railroad and highway engineering; transportation systems; structural dynamics and vibration; data science and artificial intelligence
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Plasma and High Energy Physics
edited by and Wasikul Islam
submission deadline 31 Oct 2026 | Viewed by 76 | Submission Open
Keywords: symmetry and asymmetry in plasma physics; symmetry principles in high-energy physics; spontaneous and explicit symmetry breaking; CP and CPT violation; nonlinear plasma dynamics and turbulence; symmetry in astrophysical and space plasmas; dynamical and chiral asymmetries; effective field theories and symmetry extensions; plasma instabilities and transport processes; symmetry tests beyond the standard model; plasma symmetry; gauge symmetry; symmetry breaking; high-energy astrophysics; magnetohydrodynamics (MHD); particle physics; anomalous transport; topological defects; collective phenomena; fusion plasma stability; AI/machine learning
(This special issue belongs to the Section Physics)
Studies of Symmetry/Asymmetry in Inorganic Chemistry
edited by and
submission deadline 31 Oct 2026 | Viewed by 39 | Submission Open
Keywords: inorganic chemistry; crystallography; symmetry; asymmetry; coordination complexes; organometallics; spectroscopy; supramolecular assemblies; structure– property relationships; chirality
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Statistical Physics and Symmetry
edited by Olivier Coquand
submission deadline 31 Oct 2026 | Viewed by 31 | Submission Open
Keywords: scaling relations; ward identities; goldstone theorem; critical dynamics; universality
(This special issue belongs to the Section Physics)
Symmetry and Optimization in Advanced Wastewater Treatment and Renewable Energy Systems submission deadline 31 Oct 2026 | Viewed by 16 | Submission Open
Keywords: symmetry in process systems; wastewater treatment; adsorption and electrocoagulation; microalgae bioremediation; process optimization and modeling; renewable energy recovery; system stability and sustainability; hybrid treatment processes
(This special issue belongs to the Section Engineering and Materials)
Applications Based on Symmetry and Asymmetry in Structural and Geotechnical Engineering
edited by Wenkun Yang and Yangtao Li
submission deadline 31 Oct 2026 | Submission Open
Keywords: rock or rock-like materials; symmetry/asymmetry; computer vision; machine learning; homogeneity/anisotropy; data-driven methods; multi-scale mechanical analysis
(This special issue belongs to the Section Engineering and Materials)
Symmetry/Asymmetry in Nanomaterials: Advances and Applications submission deadline 31 Oct 2026 | Submission Open
Keywords: symmetry and asymmetry in nanomaterials; anisotropy and symmetry breaking; self-organization systems; asymmetric geometry and compositional gradients; template-assisted nanostructures; anisotropic transport and optical phenomena; nanostructured functional composites; photonic; magnetic; and plasmonic applications; energy and sensing nanodevices; symmetry-engineered materials design
(This special issue belongs to the Section Engineering and Materials)
Symmetry-Driven Design of Bio-Based Polymer Materials
edited by Milica Spasojević Savković
submission deadline 31 Oct 2026 | Submission Open
Keywords: polymer materials; sustainable chemistry; composites; natural polymers; enzyme immobilization; electrochemical deposition
(This special issue belongs to the Section Chemistry: Symmetry/Asymmetry)
Symmetry in Quantum Materials
edited by Hemian Yi and
submission deadline 30 Nov 2026 | Viewed by 50 | Submission Open
Keywords: symmetry; quantum materials; topological state of matter; unconventional superconductivity; correlated systems
(This special issue belongs to the Section Physics)
Symmetry and Power Electronics: Theory, Design, and Applications
edited by , and Edgar Peralta-Sánchez
submission deadline 30 Nov 2026 | Viewed by 28 | Submission Open
Keywords: symmetry; power electronics; converter topologies; duality; multiphase systems; harmonic analysis; control algorithms; energy conversion; wide-bandgap devices; system optimization; renewable energy integration
(This special issue belongs to the Section Engineering and Materials)
Advances in Quantum Gravity: Unifying Symmetry and Spacetime submission deadline 30 Nov 2026 | Viewed by 4 | Submission Open
Keywords: quantum groups and non-commutative spacetime; loop quantum gravity and spin foams; HoÅ™ava– Lifshitz gravity and asymptotic safety; string theory; holography; and generalized symmetries; emergent gravity and quantum foundations; phenomenology and observational frontiers
(This special issue belongs to the Section Physics)
Symmetry and Stability in Advanced Power and Energy Systems submission deadline 30 Nov 2026 | Submission Open
Keywords: power systems  ; stability control  ; renewable energy integration  ; energy storage  ; symmetrical components  ; electric vehicle grid integration
(This special issue belongs to the Section Engineering and Materials)
Cross-Disciplinary Footprints in Astro-Particle Physics
edited by
submission deadline 31 Dec 2026 | Viewed by 151 | Submission Open
Keywords: dark matter; dark matter streams; gravitational focusing; dark matter candidates; composite exotica; cosmic rays; cross-disciplinary mysteries; planetary dependency; society relevant spin-OFFs
(This special issue belongs to the Section Physics)
Detecting the Invisible: Experimental Advances in WISP Dark Matter Searches
edited by
submission deadline 31 Dec 2026 | Viewed by 38 | Submission Open
Keywords: astroparticle physics; dark matter; WISPs; axions; direct dark matter detection; quantum sensing; experimental techniques
(This special issue belongs to the Section Physics)
Symmetry and Its Applications in Deep Learning and Artificial Intelligence Methods
edited by
submission deadline 31 Dec 2026 | Viewed by 20 | Submission Open
Keywords: symmetry in deep learning; AI model optimization; symmetry-invariant architectures; symmetry and pattern recognition; reinforcement learning and symmetry; symmetry-based algorithms; neural network generalization; symmetry in multi-agent systems; deep learning efficiency; symmetry in unsupervised learning
(This special issue belongs to the Section Computer)
Symmetry with the Synthesis and Structural Analysis of Porous Silicates submission deadline 31 Dec 2026 | Submission Open
Keywords: pore silicate; new synthesis; new precursors; characterization; pore silicate application; catalysts; adsorbent
(This special issue belongs to the Section Engineering and Materials)
Symmetry and Asymmetry in Nondestructive Testing
edited by and
submission deadline 1 Aug 2027 | Viewed by 107 | Submission Open
Keywords: symmetry; asymmetry; ultrasonic nondestructive testing; electromagnetic testing; radiography testing; visual testing; infrared thermography; acoustic emission; microwave testing
(This special issue belongs to the Section Engineering and Materials)
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