Special Issues

Fractal and Fractional 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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Fractional Differential Equations: Computation and Modelling with Applications submission deadline 15 Jul 2024 | 8 articles | Viewed by 9749 | Submission Open
Keywords: fractional derivatives and integrals; fractional operators; fractal-fractional derivatives and integrals; mathematical modelling; computational efficient methods; uncertainty and artificial intelligence; nonsingular kernels
(This special issue belongs to the Section General Mathematics, Analysis)
Fractional Calculus and Nonlinear Analysis: Theory and Applications submission deadline 15 Jul 2024 | 4 articles | Viewed by 5144 | Submission Open
Keywords: fractional differential equation; fractional complicated system; fractional operator; modeling biological phenomena; nonlinear dynamics and chaos; fixed point theory; optimization; critical point theory; optimization; convex analysis
(This special issue belongs to the Section General Mathematics, Analysis)
Women’s Special Issue Series: Fractal and Fractional, 2nd Edition submission deadline 15 Jul 2024 | 2 articles | Viewed by 2568 | Submission Open
Keywords: fractals and fractional calculus; fractals and fractional calculus in computing; fractals and fractional calculus in mathematical physics; fractals and fractional calculus in biology and neurocomputing; fractals and fractional calculus in engineering; fractals and fractional calculus in economics; fratals and fractional calculus in educational technologies; fractional calculus and control; fractional calculus and optimization; fractional calculus and stability; fractional models and uncertainty; related fractional modeling
(This special issue belongs to the Section Complexity)
Numerical and Exact Methods for Nonlinear Differential Equations and Applications in Physics
edited by
submission deadline 25 Jul 2024 | 13 articles | Viewed by 17336 | Submission Open
Keywords: fractional calculus; special functions in fractional calculus; mathematical modelling in physics; nonlinear models in mathematical physics; dynamics of physical systems; numerical solutions; exact solutions; soliton theory; computational physics; multiplicative calculus; fuzzy differential calculus; stochastic differential equations
(This special issue belongs to the Section Mathematical Physics)
Caputo Fractional Difference Equations and Its Applications submission deadline 30 Jul 2024 | Viewed by 368 | Submission Open
Keywords: caputo fractional difference equations; mathematical modeling; stability analysis; numerical methods
(This special issue belongs to the Section General Mathematics, Analysis)
Recent Advances in Fractional-Order Neural Networks: Theory and Application
edited by and Lulu Lu
submission deadline 31 Jul 2024 | 10 articles | Viewed by 29492 | Submission Open
Keywords: fractional calculus; dynamics analysis; biological nervous system; circuit design and simulation; artificial intelligence
(This special issue belongs to the Section General Mathematics, Analysis)
Advances in Fractal Antennas: Design, Modeling and Applications submission deadline 31 Jul 2024 | 7 articles | Viewed by 11766 | Submission Open
Keywords: fractal shaped antennas; antenna design; antenna enhancement techniques; integrated communication systems; multifrequency antennas
(This special issue belongs to the Section Engineering)
Application of Fractals in Complex Networks of Engineering and Medicine
edited by and
submission deadline 31 Jul 2024 | 4 articles | Viewed by 7980 | Submission Open
Keywords: fractals; complex networks; data mining; complex systems; chaos; engineering; medicine
(This special issue belongs to the Section Engineering)
Recent Advances in the Spatial and Temporal Discretizations of Fractional PDEs
edited by , Hongbin Chen, Shulin Wu and
submission deadline 31 Jul 2024 | 6 articles | Viewed by 7371 | Submission Open
Keywords: fractional PDEs; finite difference; finite element; finite volume; spectral methods; nonuniform and adaptive discretizations; adaptive space-time methods; parallel-in-time methods; numerical methods; numerical treatments of integro-differential equations; nonlocal modeling and computation; convolution quadrature; modeling and simulations
(This special issue belongs to the Section Numerical and Computational Methods)
Recent Developments and Applications of Fractional Differential Equations in Mathematical Physics
edited by , and Emad Zahran
submission deadline 31 Jul 2024 | 3 articles | Viewed by 4731 | Submission Open
Keywords: fractional calculus; fractional order derivatives; fractional dynamical systems; exact solutions; numerical analysis; soliton theory; traveling wave solutions; analytical methods; numerical methods; mathematical modeling
(This special issue belongs to the Section Mathematical Physics)
Synchronization and Adaptive Control for Fractional-Order Network Systems
edited by Jinliang Wang, Min Li and Zipeng Wang
submission deadline 31 Jul 2024 | 3 articles | Viewed by 4314 | Submission Open
Keywords: fractional-order neural networks; fractional-order reaction-diffusion neural networks; fractional-order multiagent systems; fractional-order complex networks; stability; synchronization; consensus; formation control
(This special issue belongs to the Section Complexity)
Robust and Adaptive Control of Fractional-Order Systems, 2nd Edition
edited by and
submission deadline 31 Jul 2024 | 2 articles | Viewed by 2310 | Submission Open
Keywords: fractional-order system; stability analysis; adaptive control; robust control; fractional calculus
(This special issue belongs to the Section Engineering)
Fractional Order Controllers: Design and Applications, 2nd Edition submission deadline 31 Jul 2024 | 1 articles | Viewed by 1073 | Submission Open
Keywords: fractional order PID controller; fractional calculus; fractional order control; robust fractional control; fractional order applications
(This special issue belongs to the Section Engineering)
Applications of Fractional-Order Systems to Automatic Control submission deadline 15 Aug 2024 | 6 articles | Viewed by 7435 | Submission Open
Keywords: unmanned vehicles; renewable energy; electric power; manufacturing; robotics; automotive control systems; time-delay systems; modeling and control of complex systems
(This special issue belongs to the Section Engineering)
Nonlinear Equations Driven by Fractional Laplacian Operators
edited by and Leandro Tavares
submission deadline 15 Aug 2024 | 1 articles | Viewed by 583 | Submission Open
Keywords: fractional equations; critical point theory; monotonic arguments; topological methods; fixed point; Ψ – Hilfer fractional derivative; existence and uniqueness; continuous dependence of solutions; successive approximations; Mittag– Leffler function; generalized Mittag– Leffler function
(This special issue belongs to the Section General Mathematics, Analysis)
Theoretical Analysis and Numerical Simulation for Fractional Dynamics and Fractional Calculus
edited by Wei Li, Guidong Yang and Dongmei Huang
submission deadline 15 Aug 2024 | Viewed by 267 | Submission Open
Keywords: fractional calculus; fractional integration; fractional derivative; dynamical systems; stabilization; system response; fractional-order system control.
(This special issue belongs to the Section Numerical and Computational Methods)
General Fractional Calculus: Theory, Methods and Applications in Mathematical Physics
edited by Yi-Ying Feng and
submission deadline 16 Aug 2024 | 6 articles | Viewed by 6332 | Submission Open
Keywords: general fractional calculus theory; general fractional calculus method; general fractional calculus applications; fractional viscoelasticity; fractional dynamical systems; fractional calculus in anomalous diffusion; fractional operator theory and theoretical analysis; new definitions and properties of general fractional calculus; memory and heritability of general fractional calculus
(This special issue belongs to the Section Mathematical Physics)
Advanced Research in Fractal Properties of Nanoparticle and Its Application
edited by and Aleksandar P. Stajčić
submission deadline 18 Aug 2024 | 1 articles | Viewed by 704 | Submission Open
Keywords: fractal dimension; surface– property relation; nanoparticles and composites; surface– synthesis/dispersion relation; grain boundary
(This special issue belongs to the Section Mathematical Physics)
Applications of Finite Element Methods for Solving Fractional Partial Differential Equations
edited by Meng Li, Yanmin Zhao and
submission deadline 20 Aug 2024 | 1 articles | Viewed by 1371 | Submission Open
Keywords: finite element methods; fractional models; finite difference methods; virtual element methods; spectral methods; structure-preserving algorithms
(This special issue belongs to the Section General Mathematics, Analysis)
Advances in Fractional-Order Multiagent Systems: Theory and Applications
edited by Ping Gong
submission deadline 25 Aug 2024 | 7 articles | Viewed by 8313 | Submission Open
Keywords: fractional-order dynamics; multiagent systems; distributed coordination control; nonlinear control; stability analysis; algorithm design
(This special issue belongs to the Section Engineering)
Analysis of Fractional Stochastic Differential Equations and Their Applications
edited by Zhiguo Luo and Danfeng Luo
submission deadline 30 Aug 2024 | 2 articles | Viewed by 1061 | Submission Open
Keywords: fractional differential equations; stochastic differential equations; delay differential equations; impulsive differential equations; fuzzy differential equations; stability analysis; averaging principle; controllability; averaging principle; existence or uniqueness
(This special issue belongs to the Section General Mathematics, Analysis)
Fractals in Geology and Geochemistry
edited by , Qiuming Cheng and Frits Agterberg
submission deadline 31 Aug 2024 | 5 articles | Viewed by 6730 | Submission Open
(This special issue belongs to the Section Engineering)
Numerical Solutions of Caputo-Type Fractional Differential Equations and Derivatives
edited by Phumlani Dlamini and Simphiwe Simelane
submission deadline 31 Aug 2024 | 6 articles | Viewed by 4214 | Submission Open
Keywords: Caputo-type fractional differential equations; Caputo-type fractional derivatives; generalized fractional derivatives; fractional inequalities; fractional operator; fractional Green’ s functions; fractional Laplace transform; fractional evolution equations; finite difference schemes; spectral methods; existence and uniqueness; stability; controllability; iterative learning controls
(This special issue belongs to the Section Numerical and Computational Methods)
Fractional Modelling, Analysis and Control for Power System
edited by , , Xin Li, Bin Wang and Yang Zhou
submission deadline 31 Aug 2024 | 3 articles | Viewed by 3726 | Submission Open
(This special issue belongs to the Section Engineering)
Fractal and Multifractal Analyses in Financial Markets and Economics, 2nd Edition
edited by
submission deadline 31 Aug 2024 | 2 articles | Viewed by 1987 | Submission Open
(This special issue belongs to the Section General Mathematics, Analysis)
Fractal and Fractional in Geotechnical Engineering
edited by Shaoheng He, Zhi Ding and
submission deadline 1 Sep 2024 | 8 articles | Viewed by 9369 | Submission Open
Keywords: fractal dimension; fractional-order mechanics; micro-to-Macro analysis; geomaterial; tunnel; rock; concrete; foamed light soil; bituminous mixture
(This special issue belongs to the Section Engineering)
Fractal Analysis in Biology and Medicine
edited by
submission deadline 1 Sep 2024 | Viewed by 290 | Submission Open
Keywords: fractal analysis; fractal dimension; complexity; self-similarity; neuroscience; morphometry; cell and tissue analysis
Applications of Fractional-Order Grey Models
edited by Shuli Yan and
submission deadline 15 Sep 2024 | 6 articles | Viewed by 6306 | Submission Open
Keywords: fractional-order; grey model; prediction; algorithm; application
(This special issue belongs to the Section Engineering)
Fracture Analysis of Materials Based on Fractal Nature
edited by , Leandro Ferreira Friedrich and
submission deadline 15 Sep 2024 | Viewed by 276 | Submission Open
Keywords: size effect; fracture; damage; experimental analysis; acoustic emission; numerical simulations
(This special issue belongs to the Section Engineering)
Fractional Order Systems with Application to Electrical Power Engineering, 2nd Edition
edited by and Mahdieh S. Sadabadi
submission deadline 20 Sep 2024 | 6 articles | Viewed by 4380 | Submission Open
Keywords: fractional-order systems; distributed energy resources; energy storage systems; multi-energy systems; power electronic systems; power converters; renewable energy systems; artificial intelligence; stability analysis; intelligent control; fractional calculus; reliability and resilience
(This special issue belongs to the Section Engineering)
Fractional Calculus in the Design, Control and Implementation of Complex Systems submission deadline 26 Sep 2024 | 5 articles | Viewed by 7165 | Submission Open
Keywords: fractional calculus; chaotic systems; complex networks; variable order calculus; mathematical modeling; control theory; complexity; circuit implementation; chaos based cryptography; neural networks; identification and modeling; signal processing; complexity measures; chaos theory; applied mathematics
(This special issue belongs to the Section Complexity)
Fractional Mathematical Modelling: Theory, Methods and Applications
edited by Faranak Rabiei, and
submission deadline 30 Sep 2024 | 5 articles | Viewed by 7628 | Submission Open
Keywords: fractional differential and integral equations; new fractional operators and their properties; existence and uniqueness of solutions; analytical and numerical methods; stability analysis; fractional calculus in physics; fractional dynamics in complex systems; applications to science and engineering
(This special issue belongs to the Section Numerical and Computational Methods)
Mathematical and Fractional-Order Modeling for Infectious and Non-Infectious Diseases submission deadline 30 Sep 2024 | 3 articles | Viewed by 3956 | Submission Open
Keywords: mathematical modeling; fractional modeling; simulation; data analysis; disease modeling; optimal control
(This special issue belongs to the Section General Mathematics, Analysis)
Mittag-Leffler Function: Generalizations and Applications submission deadline 30 Sep 2024 | 2 articles | Viewed by 1810 | Submission Open
Keywords: the  Mittag-Leffler function in fractional calculus; the analytical properties of the  Mittag-Leffler function; the  mittag-leffler function in physical models; generalizations and extensions of the  Mittag-Leffler function; the  mittag-leffler function’ s connection to other special functions; applications of the  Mittag-Leffler function in engineering problems; applications of the Mittag-Leffler function in mathematical problems
(This special issue belongs to the Section General Mathematics, Analysis)
Fractional-Order Approaches in Automation: Models and Algorithms
edited by , and Pablo Antonio López-Pérez
submission deadline 30 Sep 2024 | Viewed by 745 | Submission Open
Keywords: fractional-order systems; fractional-order control systems; fractional filtering; geometric interpretation of fractional-order calculus; system identifications; fractional derivatives; neural networks using fractional-order calculus
(This special issue belongs to the Section Engineering)
Fractal and Fractional in Construction Materials
edited by and
submission deadline 30 Sep 2024 | 1 articles | Viewed by 593 | Submission Open
Keywords: construction materials; fractal and fractional; mechanical performance; fractal theory; experiment; transportation; durability
(This special issue belongs to the Section Engineering)
Fractal Dynamics and Machine Learning in Financial Markets
edited by David Alaminos
submission deadline 30 Sep 2024 | Viewed by 375 | Submission Open
Keywords: financial markets; speculation; fractal analysis; fractional dynamics; asset pricing; machine learning; risk management; volatility; algorithmic trading; corporate finance
(This special issue belongs to the Section Numerical and Computational Methods)
New Developments in Tracking and Stabilization of Fractional-Order Systems
edited by Sakthivel Ramalingam and Parivallal Arumugam
submission deadline 30 Sep 2024 | Viewed by 264 | Submission Open
Keywords: robust control of fractional-order cyber– physical systems; tracking control of fractional-order systems; stabilization of fractional-order systems; fractional-order time delay systems; disturbance rejection of fractional order systems; optimal control of fractional-order systems; event-triggered control for fractional order systems; fractional-order networked control systems; fractional-order neural networks; fractional-order fuzzy systems
(This special issue belongs to the Section Engineering)
Delayed and Stochastic Fractional Order Dynamical Systems: Theory, Numerical Methods, Control, and Applications
edited by Andreas Basse-O'Connor, Ahmadreza Haghighi, and
submission deadline 30 Sep 2024 | Viewed by 251 | Submission Open
Keywords: fractional calculus; delayed systems; stochastic processes; control strategies; stability analysis; signal processing; robotics; biomedical engineering; renewable energy; communication networks; economics; finance; interdisciplinary research; electrical circuits; mechanical systems; process optimization biomedical modeling
Modeling and Control of Fractal and Fractional Dynamical Systems in Neurological Disorders
edited by , and Porfirio Toledo Hernández
submission deadline 30 Sep 2024 | Viewed by 173 | Submission Open
Keywords: neurological disorders; fractal analysis; entropy applications; neurological disorders; fractional dynamical systems
(This special issue belongs to the Section Life Science, Biophysics)
Symmetry and Solutions of Fractional Differential Equations with Their Developments
edited by Lihong Zhang, , and
submission deadline 15 Oct 2024 | 9 articles | Viewed by 12156 | Submission Open
Keywords: nonlinear fractional ordinary (partial) differential equations and applications; nonlinear problem involving fractional Laplacian operators and their variants; nonlinear Hammerstein equations involving fractional operators; nonlocal Monge– Ampere equation and its extensions; nonlocal operators; symmetries; and applications; geometrical methods for problems of mathematical physics; geometrical analysis and differential equations; monotonicity of solutions to various differential equations; existence and uniqueness of solutions to differential equations; symmetry of solutions to differential equations
(This special issue belongs to the Section General Mathematics, Analysis)
Iterative Methods in Solving Nonlinear Equations Based on Fractal and Fractional Perspective submission deadline 20 Oct 2024 | Viewed by 208 | Submission Open
Keywords: iterative methods; stability theory; methods with memory; simultaneous roots; multiple roots; fractional derivatives; fractal dimension; nonlinear dynamics; mathematical modelling
(This special issue belongs to the Section General Mathematics, Analysis)
Bifurcation, Chaos, and Fractals in Fractional-Order Electrical and Electronic Systems
edited by Faqiang Wang, and Hongbo Cao
submission deadline 25 Oct 2024 | 6 articles | Viewed by 8571 | Submission Open
Keywords: bifurcation and its control; chaos and its control; fractals and their control; fractional-order inductor/capacitor; fractional-order memristor/meminductor/memcapacitor; fractional-order circuits and systems; fractional-order electrical and electronic systems; multi-timescale and entropy analysis; fractional calculus applications
(This special issue belongs to the Section Complexity)
Fractal Theory in Cement-Based Materials: Investigations and Applications
edited by , and Mulan Mu
submission deadline 30 Oct 2024 | Viewed by 158 | Submission Open
Keywords: fractal theory; cement-based materials; crack shape; tortuosity; physical properties; pore structure; microstructure
(This special issue belongs to the Section Engineering)
Fractional Calculus Applied in Environmental Biosystems
edited by Diogo Francisco Rossoni and Gustavo de Souza Matias
submission deadline 30 Oct 2024 | Viewed by 119 | Submission Open
Keywords: bioprocess modeling; environmental models; biosystem anomalies; fractional calculus
Fractional Differential Operators with Classical and New Memory Kernels submission deadline 31 Oct 2024 | 6 articles | Viewed by 6569 | Submission Open
Keywords: fractional operators; memory kernels; biomechanical and medical models; analysis; special functions and kernels; numerical and computational methods; analytical solution methods: exact and approximate; modeling approaches with nonlocal (fractional) operators; probability and statistics based on non-local approaches; mathematical physics: heat; mass and momentum transfer; engineering applications and image processing; life science; biophysics and complexity
(This special issue belongs to the Section General Mathematics, Analysis)
Complexity, Fractality and Fractional Dynamics Applied to Science and Engineering
edited by Alexandra M.S.F. Galhano, and
submission deadline 31 Oct 2024 | 2 articles | Viewed by 5211 | Submission Open
Keywords: fractional-order systems; memory; econophysics; time series; finance; economics; big data; complex systems; biosystems; fractals
(This special issue belongs to the Section Complexity)
Boundary Value Problems for Nonlinear Fractional Differential Equations: Theory, Methods and Application
edited by
submission deadline 31 Oct 2024 | 4 articles | Viewed by 4685 | Submission Open
Keywords: existence and positivity of solutions; uniqueness and multiplicity of solutions; stability and equilibrium; fixed point methods and applications; modeling with FDEs; numerical solutions; neural networks and FDEs; eigenvalue problems; fractional q-differential equations
(This special issue belongs to the Section General Mathematics, Analysis)
Fractional Diffusion, Multistability and Control in Complex Systems
edited by Mingshu Peng
submission deadline 31 Oct 2024 | 3 articles | Viewed by 3185 | Submission Open
Keywords: turing instability; multistability; bifurcation; chaos; fractal differential equations; complexity; mathematical modelling; control; critical point theory; boundary value problem; stability; delay; diffusion; pattern formation; spatio-temporal behavior; related practical problem
(This special issue belongs to the Section General Mathematics, Analysis)
Fractal Systems and Associated Properties as Well as Integrable Systems
edited by
submission deadline 31 Oct 2024 | 2 articles | Viewed by 2662 | Submission Open
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