Special Issues

Axioms 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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New Approach Development for Stability Analysis of Nonlinear Time-Dependent Dynamics
edited by
submission deadline 24 Sep 2024 | 1 articles | Viewed by 2064 | Submission Open
Keywords: nonlinear dynamics; Lyapunov stability; control design; modelling; robotics; learning and optimization
(This special issue belongs to the Section Mathematical Physics)
Advances in Mathematical Optimization Algorithms and Its Applications
edited by
submission deadline 25 Sep 2024 | 4 articles | Viewed by 6244 | Submission Open
Keywords: optimization algorithms; swarm intelligence; bio-inspired algorithms; fuzzy logic; neural networks; collective intelligence; mathematical algorithms
(This special issue belongs to the Section Mathematical Analysis)
Advances in Geometry and Its Applications
edited by Nenad O. Vesić and
submission deadline 25 Sep 2024 | 1 articles | Viewed by 738 | Submission Open
Keywords: tensor calculus; affine connection; metric tensor; inner product; curvature tensor; invariants; cosmological models; energy levels; fuzzy numbers and MCDM methods; graphical analysis
(This special issue belongs to the Section Geometry and Topology)
On Marcinkiewicz Integrals
edited by
submission deadline 25 Sep 2024 | Viewed by 331 | Submission Open
Keywords: marcinkiewicz integrals; littlewood– paley g-functions; Lp boundedness; rough kernels
(This special issue belongs to the Section Mathematical Analysis)
Mathematical Methods in Waves-Based Inverse Problems at Different Scales
edited by
submission deadline 26 Sep 2024 | 7 articles | Viewed by 7838 | Submission Open
Keywords: inverse problems; mathematical imaging; waves in complex media; integral equations; regularization; inverse scattering; shape reconstruction; parameter estimation; carleman estimates
(This special issue belongs to the Section Mathematical Analysis)
Recent Developments in Fuzzy Control Systems and Their Applications
edited by , Kaviarasan Boomipalagan and S. A. Karthick
submission deadline 26 Sep 2024 | 3 articles | Viewed by 4144 | Submission Open
Keywords: fuzzy modeling and its applications; takagi– Sugeno structures; interval type-2 fuzzy control systems; membership-function-dependent analysis; optimization-based fuzzy algorithm; stability/performance/robustness analysis of fuzzy control systems; industrial applications of fuzzy control systems
(This special issue belongs to the Section Logic)
Recent Advances in Graph Theory and Its Applications
edited by Fadekemi Osaye and Alex Alochukwu
submission deadline 26 Sep 2024 | Viewed by 447 | Submission Open
Keywords: graphs; networks; distances; spectra; hypergraphs
Advanced Approximation Techniques and Their Applications II
edited by
submission deadline 27 Sep 2024 | 7 articles | Viewed by 4324 | Submission Open
Keywords: interpolation in approximation theory; approximation by polynomials spline; approximation; approximation by trigonometric polynomials inequalities in approximation; approximation by rational functions; Padé approximation; rate of convergence; inverse theorems in approximation; theory simultaneous approximation; approximation with constraints; approximation by special function classes; approximation by operators saturation in approximation theory; best constants in approximation theory; approximation by arbitrary linear expressions; approximation by arbitrary nonlinear expressions; uniqueness of best approximation; best approximants; approximate quadratures; numerical approximation; series expansions; asymptotic approximations; asymptotic expansions; abstract approximation theory; remainders in approximation; formulas least-squares; methods continued fractions and their generalizations; convergence and divergence of infinite limiting processes; approximation of solutions of differential equations; approximation of solutions of functional-differential equations; approximation of solutions of integral equations
(This special issue belongs to the Section Mathematical Analysis)
Advances in Combinatorial Optimization and Discrete Mathematics with Applications submission deadline 30 Sep 2024 | 6 articles | Viewed by 6057 | Submission Open
Keywords: combinatorial optimization problems; combinatorics; mathematical programming; real-life applications; job shop scheduling; path planning; bin packing; resource allocation
(This special issue belongs to the Section Mathematical Analysis)
Time Series Analysis: Research on Data Modeling Methods
edited by Dehui Wang and Kai Yang
submission deadline 30 Sep 2024 | 4 articles | Viewed by 5104 | Submission Open
Keywords: time series model; statistic inference method; measurement error; interdisciplinary application; statistical research
(This special issue belongs to the Section Mathematical Analysis)
Advances in Fuzzy Logic and Multi-Criteria Decision Models submission deadline 30 Sep 2024 | 3 articles | Viewed by 4591 | Submission Open
Keywords: MCDM; SCM; fuzzy sets; fuzzy MCDM; application of fuzzy MCDM; group decision making
(This special issue belongs to the Section Mathematical Analysis)
Advances of Mathematical Modeling in Fluid Mechanics submission deadline 30 Sep 2024 | 2 articles | Viewed by 3597 | Submission Open
Keywords: fluid statics; power fluids; biofuels; nanofluids; microflow and nanoflow fluids; cooling system fluids; compressible flow; non-Newtonian fluids; flue gas flow; fluid flow in neural networks
(This special issue belongs to the Section Mathematical Analysis)
Advances in Mathematical Methods in Optimal Control and Applications
edited by Cristiana J. Silva
submission deadline 30 Sep 2024 | 3 articles | Viewed by 3028 | Submission Open
Keywords: optimal control problems; optimality conditions; control system; mathematical methods; applications
(This special issue belongs to the Section Mathematical Analysis)
New Trends in Discrete Probability and Statistics
edited by
submission deadline 30 Sep 2024 | 3 articles | Viewed by 2515 | Submission Open
Keywords: parametric discrete distributions; distributions associated with discrete orthogonal polynomials; empirical distributions; empirical processes
(This special issue belongs to the Section Mathematical Analysis)
Numerical Methods and Approximation Theory
edited by Marius Birou, and
submission deadline 30 Sep 2024 | 2 articles | Viewed by 2464 | Submission Open
Keywords: approximation by positive linear operators; degree of approximation; iterates of positive linear operators; interpolation operators; quadrature formulas; numerical algorithms; numerical methods for partial differential equations; fixed point theory; special functions in approximations; inequalities in approximations
(This special issue belongs to the Section Mathematical Analysis)
Large-Scale Optimization and Variational Inequalities: Theory and Applications submission deadline 30 Sep 2024 | 1 articles | Viewed by 1936 | Submission Open
Keywords: proximal-like algorithms; augmented and modified Lagrangian methods; structural optimization; convex and nonconvex analysis; portfolio and financial optimization; structural optimization; variational inequalities
(This special issue belongs to the Section Mathematical Analysis)
Mathematical Methods in Computer Science submission deadline 30 Sep 2024 | 1 articles | Viewed by 1782 | Submission Open
Keywords: algebra; fuzzy set theory; applications; machine learning; data science; perceptual comparison; decision-making; aggregation theory
(This special issue belongs to the Section Mathematical Analysis)
Fixed Point Theory and Its Applications
edited by and
submission deadline 30 Sep 2024 | 2 articles | Viewed by 1747 | Submission Open
Keywords: fixed point theory; iterative methods; bilevel optimization problems; optimization problems on Hadamard manifold; monotone inclusion problems; optimization and control; optimization theory; methods; and applications; applications of fixed point theory and approaches
(This special issue belongs to the Section Mathematical Analysis)
Advances in Portfolio Optimization: Theory and Applications submission deadline 30 Sep 2024 | Viewed by 1208 | Submission Open
Keywords: portfolio selection models; modeling and measuring risk; risk optimization; applications of methods and techniques of financial portfolio theory in non-financial domains; multi-objective portfolio models; assessment of portfolio performance
(This special issue belongs to the Section Mathematical Analysis)
Mathematical Modelling of Fluid Dynamics
edited by
submission deadline 30 Sep 2024 | 1 articles | Viewed by 930 | Submission Open
Keywords: numerical methods; multiphase flows; combustion; high-speed compressible flows; incompressible flows; fluid– structure interactions; machine learning; aerospace engineering; chemical engineering
(This special issue belongs to the Section Mathematical Physics)
Challenges and New Paradigms for Decision Support Systems
edited by Alberto Turón
submission deadline 30 Sep 2024 | Viewed by 406 | Submission Open
Keywords: decision support systems; artificial intelligence; deep learning; policy making; human– computer interaction
Recent Advances in Statistical Modeling and Simulations with Applications, 2nd Edition
edited by
submission deadline 30 Sep 2024 | Viewed by 171 | Submission Open
Keywords: big data; machine learning; neural networks; image analysis; medical imaging; Bayesian statistics; applied statistics
(This special issue belongs to the Section Mathematical Analysis)
Numerical Analysis and Optimization submission deadline 20 Oct 2024 | 8 articles | Viewed by 8459 | Submission Open
Keywords: unconstrained optimization; constrained optimization; optimization methods; iterative processes; gradient-descent methods; projection methods; line search; convergence rate; hybrid methods; linear matrix equations; nonlinear system of equations
(This special issue belongs to the Section Mathematical Analysis)
Computational Algebra, Coding Theory and Cryptography: Theory and Applications
edited by
submission deadline 20 Oct 2024 | 7 articles | Viewed by 7037 | Submission Open
Keywords: algebraic structures; coding theory; cryptography; linear codes; quantum codes; polycyclic codes; self-dual codes; Hermitian codes; quasicyclic codes; codes over rings
(This special issue belongs to the Section Algebra and Number Theory)
Advances in F-theories of Gravity submission deadline 22 Oct 2024 | Viewed by 475 | Submission Open
Keywords: f(R)-theory; f(R; T)-theory; teleparallel gravity; symmetries; observational constraints; alternative theories of gravity
(This special issue belongs to the Section Hilbert’s Sixth Problem)
Mathematics, Computer Graphics and Computational Visualizations
edited by Vesna Velickovic and
submission deadline 25 Oct 2024 | 3 articles | Viewed by 3301 | Submission Open
Keywords: visualization of abstract and complex concepts; computational methods; computational visualization; computer graphics; computer-aided design; computer-aided geometric design; curve; surface; and solid modeling; data visualization; geometric modeling; graphical representation; information visualization; mathematics in computer graphics; scientific visualization; simulation; visualization methods
Advances in Fuzzy Logic and Computational Intelligence submission deadline 25 Oct 2024 | 2 articles | Viewed by 2925 | Submission Open
Keywords: fuzzy logic; fuzzy systems; interval mathematics; lattice fuzzy logic; computational intelligence systems; logic; interval; lattice; systems
(This special issue belongs to the Section Logic)
Entanglement in Quantum Field Theory and Its Applications
edited by , Federico Escudero and
submission deadline 25 Oct 2024 | 1 articles | Viewed by 1487 | Submission Open
Keywords: entanglement in quantum field theory; quantum correlations in 2D materials; boundary formalism; entanglement harvesting; information holography; topological quantum field theory
(This special issue belongs to the Section Hilbert’s Sixth Problem)
Advances in Partial Differential Equations: Qualitative Analysis and Numerical Methods
edited by and Jun Zhou
submission deadline 25 Oct 2024 | 2 articles | Viewed by 1355 | Submission Open
Keywords: partial differential equations; stochastic; blow-up; well-posedness; dynamics; numerical analysis; long-time behavior; probability
(This special issue belongs to the Section Mathematical Analysis)
Stochastic Modeling and Optimization Techniques
edited by , and Hranislav Milosevic
submission deadline 25 Oct 2024 | 1 articles | Viewed by 642 | Submission Open
Keywords: stochastic modeling; optimization techniques; probability theory; statistical analysis; fixed point theory; game theory
(This special issue belongs to the Section Mathematical Analysis)
Advances in Fuzzy Theory and Decision-Making Theory
edited by Honggang Peng
submission deadline 25 Oct 2024 | Viewed by 409 | Submission Open
Keywords: fuzzy decision-making; multi-attribute decision-making; group decision-making; consensus decision-making; decision-making based on preference relations; intelligent decision-making; data-driven decision-making
(This special issue belongs to the Section Mathematical Analysis)
Theoretical Advances in Fractional Calculus
edited by Min-Jie Luo and
submission deadline 25 Oct 2024 | Viewed by 243 | Submission Open
Keywords: fractional calculus; generalized fractional calculus; fractional differential equations; fractional integral equations; special functions in one or several variables; special functions in matrix arguments; asymptotic expansions; orthogonal expansions; q-series  ; open problems
(This special issue belongs to the Section Mathematical Analysis)
Dynamical Systems: Theory and Applications in Mathematical Biology submission deadline 29 Oct 2024 | 4 articles | Viewed by 5693 | Submission Open
Keywords: dynamical systems theory; mathematical biology; population dynamics; mathematical epidemiology; nonlinear dynamical systems; non-autonomous systems; ODEs; PDEs; DDEs; stability analysis; global dynamics; threshold dynamics; periodic solutions; persistence theory; bifurcations and chaos; computational modelling; infectious diseases; vector-borne diseases; zoonotic diseases; cell biology modelling; climate change
(This special issue belongs to the Section Mathematical Analysis)
Applications of Bayesian Methods in Statistical Analysis
edited by Yanqing Zhang and Puying Zhao
submission deadline 29 Oct 2024 | 2 articles | Viewed by 1231 | Submission Open
Keywords: Bayesian inference; variational Bayesian method; machine learning; Markov Chain Monte Carlo (MCMC) methods; applications in Bayesian methods; Bayesian prior; hierarchical model; parameter estimation; interval estimation; related topics about Bayesian method
(This special issue belongs to the Section Mathematical Analysis)
Fuzzy Systems, Fuzzy Decision Making, and Fuzzy Mathematics
edited by Carlos Bejines and
submission deadline 29 Oct 2024 | 1 articles | Viewed by 576 | Submission Open
Keywords: fuzzy set theory; decision making; fuzzy algorithms; fuzzy optimization; aggregation operators
(This special issue belongs to the Section Logic)
Advances in Fuzzy MCDM, Hybrid Methods, Fuzzy Number Ranking and Their Applications
edited by and
submission deadline 30 Oct 2024 | 10 articles | Viewed by 9619 | Submission Open
Keywords: fuzzy MCDM; hybrid methods; fuzzy modeling; fuzzy numbers; ranking; computing with words
(This special issue belongs to the Section Mathematical Analysis)
Recent Advances in Fuzzy Sets and Related Topics submission deadline 30 Oct 2024 | 7 articles | Viewed by 7042 | Submission Open
Keywords: fuzzy set; soft computing; artificial intelligence; fuzzy systems; data mining; data analysis; intuitionistic fuzzy sets; decision making
(This special issue belongs to the Section Mathematical Analysis)
Advances in Parameter-Tuning Techniques for Metaheuristic Algorithms
edited by Vasileios A. Tatsis
submission deadline 30 Oct 2024 | 1 articles | Viewed by 1413 | Submission Open
Keywords: computational optimization; metaheuristic algorithms; parameter tuning; swarm intelligence; real-world applications
(This special issue belongs to the Section Mathematical Analysis)
Mathematical Cosmology submission deadline 31 Oct 2024 | 5 articles | Viewed by 6502 | Submission Open
(This special issue belongs to the Section Mathematical Physics)
Advances in Hypergeometric Series, Orthogonal Polynomials and Their Natural Extensions submission deadline 31 Oct 2024 | 1 articles | Viewed by 2372 | Submission Open
Keywords: hypergeometric series; basic hypergeometric series; orthogonal polynomials; zeros; recurrence relations; inner product; integral equations; generating functions; asymptotics; applications of special functions and orthogonal polynomials; inequalities; mathematical knowledge management of special functions and orthogonal polynomials
(This special issue belongs to the Section Mathematical Analysis)
Modeling and Analysis of Complex Network
edited by Letizia Milli
submission deadline 31 Oct 2024 | 1 articles | Viewed by 1277 | Submission Open
Keywords: models of complex networks; dynamics on and of complex networks; algorithms for network analysis; complex networks mining; structural network properties; community structure and discovery; information spreading in social media
Fuzzy Sets, Simulation and Their Applications
edited by , Shih-Chou Kao and
submission deadline 31 Oct 2024 | 2 articles | Viewed by 990 | Submission Open
Keywords: fuzzy set theory; extensions and generalizations of fuzzy sets; fuzzy multicriteria decision-making model; modeling and simulation; simulation and optimization; cryptography; random numbers
(This special issue belongs to the Section Algebra and Number Theory)
Research on Stochastic Analysis and Applied Statistics
edited by and
submission deadline 31 Oct 2024 | 1 articles | Viewed by 819 | Submission Open
Keywords: statistical modelling; applied probability; data analysis; computational statistics; stochastic processes; machine learning; deep learning
(This special issue belongs to the Section Mathematical Analysis)
Recent Advances in Complex Analysis and Applications, 2nd Edition
edited by
submission deadline 31 Oct 2024 | 1 articles | Viewed by 699 | Submission Open
Keywords: geometric function theory; harmonic maps; Hardy spaces; quasiconformal maps; univalent functions; harmonic analysis; PDE
(This special issue belongs to the Section Mathematical Analysis)
Optimization, Operations Research and Statistical Analysis submission deadline 31 Oct 2024 | 1 articles | Viewed by 569 | Submission Open
Keywords: statistical analysis; hypothesis testing; big data analysis; time-series analysis; operations research; mathematical modeling; optimization
New Perspectives in Fuzzy Logic and Its Applications
edited by Carolina Nicolas and Jaime Gil Lafuente
submission deadline 31 Oct 2024 | Viewed by 330 | Submission Open
Keywords: mathematical logic; fuzzy logic; fuzzy set theory; mathematical analysis; topology
(This special issue belongs to the Section Logic)
Fractional Differential Equations and Dynamical Systems
edited by Nicholas Fewster-Young and
submission deadline 31 Oct 2024 | Viewed by 205 | Submission Open
Keywords: fractional differential equations; dynamical systems; fractional calculus; fractional integrals
New Perspectives in Mathematical Statistics
edited by and
submission deadline 1 Nov 2024 | 6 articles | Viewed by 4906 | Submission Open
Keywords: Bayesian statistics; statistical analysis for high-dimensional data; nonparametric statistics; distribution-free methods; machine learning; robust statistics; spatial statistics; time series analysis; statistical inference; computational statistics
Advances in Octahedron Sets and Its Applications
edited by and Kul Hur
submission deadline 1 Nov 2024 | 1 articles | Viewed by 809 | Submission Open
Keywords: topology; algebra; category theory; differential equation; probability and statistics; geometry objects; decision making; mathematical model; computer science
New Perspectives in Control Theory
edited by , Ángeles Hoyo and
submission deadline 1 Nov 2024 | Viewed by 187 | Submission Open
Keywords: advanced control algorithms; process control; adaptive and learning control; robust control methodologies; PID control; nonlinear control systems; intelligent control systems; model predictive control; cyber– physical systems; engineering technologies in control engineering
(This special issue belongs to the Section Mathematical Analysis)
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