Articles published in 2021
- On bi-Integrable Natural Hamiltonian Systems on Riemannian Manifolds
- Hyperelliptic function solutions with finite genus ������ of coupled nonlinear differential equations*
- Policy Disparities in Response to COVID-19 between China and South Korea
- Ermakov-Painlevé II Reduction in Cold Plasma Physics. Application of a Bäcklund Transformation
- Noether symmetries and the quantization of a Liénard-type nonlinear oscillator
- Lie Algebra of the Symmetries of the Multi-Point Equations in Statistical Turbulence Theory
- Design of an Intelligent Vehicle Environment Monitoring System based on WiFi
- Semi-discrete integrable nonlinear Schrödinger system with background-controlled inter-site resonant coupling
- Prolongs of (Ortho-)Orthogonal Lie (Super)Algebras in Characteristic 2
- Recursive Generation of Isochronous Hamiltonian Systems
- Novikov Superalgebras in Low Dimensions
- Moments of Dual Generalized Order Statistics from Inverted Kumaraswamy Distribution and Related Inference
- Cognitive Biases as a Clue to Creating Diversified Stories
- COVID-19 Outbreak: The North versus South Epidemiologic Italian Paradigm
- Statistical de Rham Hodge Operators and the Kastler-Kalau-Walze Type Theorem for Manifolds With Boundary
- Analytical Cartesian solutions of the multi-component Camassa-Holm equations
- Integrable systems from inelastic curve flows in 2– and 3– dimensional Minkowski space
- A Hamiltonian Action of the Schrödinger–Virasoro Algebra on a Space of Periodic Time-Dependent Schrödinger Operators in (1 + 1)-Dimensions
- What is Currently Known About the SARS-CoV2 Variants of Concern
- Automated Seeding and Irrigation System using Arduino
- Automorphisms of Curves
- From Yang-Baxter Maps to Integrable Recurrences
- Serial Monitoring of Case Fatality Rate to Evaluate Comprehensive Strategies against COVID-19
- Symmetry and integrability for stochastic differential equations
- Lessons Learnt and Pathways forward for National Civil Registration and Vital Statistics Systems after the COVID-19 Pandemic
- How the Mutational-Selection Interplay Organizes the Fitness Landscape
- HaptWarp: Implementation of Bend, Twist, and Press Manipulations for Intuitive Interaction in between the Virtual and Physical World
- Symmetries of some classes of dynamical systems
- Time-evolution-proof Scattering Data for the Focusing and Defocusing Zakharov-Shabat Systems
- The Hard Lessons Learned by the COVID-19 Epidemic in Italy: Rethinking the Role of the National Health Care Service?
- Progressively Censored N-H Exponential Distribution
- Study on Evaluating the EMI Filter for Electronic Communication Fans
- Parametric Solution of Certain Nonlinear Differential Equations in Cosmology
- Traces on the Algebra of Observables of the Rational CalogeroModel Based on the Root System
- Epidemiological Investigations of Infectious Diseases among Mobile Populations at the University Hospital Institute Mediterranean Infection in Marseille, France
- A design of Intelligent Public Trash Can based on Machine Vision and Auxiliary Sensors
- Solvable Systems Featuring 2 Dependent Variables Evolving in Discrete-Time via 2 Nonlinearly-Coupled First-Order Recursion Relations with Polynomial Right-Hand Sides
- Speed selection for coupled wave equations
- Affine Ricci Solitons of Three-Dimensional Lorentzian Lie Groups
- Fuzzy Theory-based Air Valve Control for Auto-Score-Recognition Soprano Recorder Machines
- On Darboux transformations for the derivative nonlinear Schrödinger equation
- Conservation Laws for Self-Adjoint First-Order Evolution Equation
- Estimation of Entropy for Weibull Distribution Based on Record Values
- Explicit Solution Processes for Nonlinear Jump-Diffusion Equations
- Differential Equations Invariant Under Conditional Symmetries
- Invariant Linearization Criteria for Systems of Cubically Nonlinear Second-Order Ordinary Differential Equations
- Serosurvey for Health-Care Workers Provides Supportive Evidence for the Effectiveness of Hydroxychloroquine Prophylaxis against SARS-CoV-2 Infection
- Tracking Control of Mobile Robots based on Rhombic Input Constraints
- Soliton Propagation in Homogeneous and Inhomogeneous Models for DNA Torsion Dynamics
- Effects of Mixing Low-frequency Waves - Deep Micro Vibrotactile with Sounds
- On Upper k-Record Values from the Generalized Linear Exponential Distribution
- Factors Associated with the Incidence and Mortality of Coronavirus Disease 2019 (COVID-19) after 126-million Cases: A Meta-analysis
- Inverse Spectral Problem and Peakons of an Integrable Two-component Camassa-Holm System
- Exact Solutions of Classical Scalar Field Equations
- The Orthogonal and Symplectic Schur Functions, Vertex Operators and Integrable Hierarchies
- A Fundamental Study on Control of CG Character using Brain Wave Discrimination
- On the Mapping of Jet Spaces
- N = 2 Supercomplexification of the Korteweg-de Vries, Sawada-Kotera and Kaup-Kupershmidt Equations
- Weierstrass integrability for a class of differential systems
- Klein operator and the Number of independent Traces and Supertraces on the Superalgebra of Observables of Rational Calogero Model based on the Root System
- Global Epidemiology of HIV/AIDS: A Resurgence in North America and Europe
- Tuning Suitable Features Selection using Mixed Waste Classification Accuracy
- The Bilinear Integrability, N-soliton and Riemann-theta function solutions of B-type KdV Equation
- Binary Darboux Transformation and Quasideterminant Solutions of The Chiral Field
- Conservation Laws for Heated Laminar Radial Liquid and Free Jets
- A Solvable N-body Problem of Goldfish Type Featuring N² Arbitrary Coupling Constants
- Epidemiology and Microbiological Profile of Common Healthcare Associated Infections among Patients in the Intensive Care Unit of a General Hospital in Kuwait: A Retrospective Observational Study
- Multipotentializations and nonlocal symmetries: Kupershmidt, Kaup-Kupershmidt and Sawada-Kotera equations
- A New Case of Separability in a Quartic Hénon-Heiles System
- Chinese Traditional Color Harmony Inheritance Method for High-speed Railway
- New Discrete Lifetime Distribution with Applications to Count Data
- Darboux transformations of the Supersymmetric BKP hierarchy
- Examples of Simple Vectorial Lie Algebras in Characteristic 2
- Some extensions on the soliton solutions for the Novikov equation with cubic nonlinearity
- The number of independent traces and supertraces on symplectic reflection algebras
- Bilinear Identities and Hirota’s Bilinear Forms for the (γn, σk)-KP Hierarchy
- Birkhoff Strata of Sato Grassmannian and Algebraic Curves
- A Local Equivariant Index Theorem for Sub-Signature Operators
- Epidemiological Profile of Meningitis following Pentavalent Vaccination in Iran: Impact of Vaccine Introduction
- Diffraction of Electromagnetic Waves by a Layer Filled with a Kerr-Type Nonlinear Medium
- How to Extend any Dynamical System so That it Becomes Isochronous, Asymptotically Isochronous or Multi-Periodic
- Moving Boundary Problems for Heterogeneous Media. Integrability via Conjugation of Reciprocal and Integral Transformations
- Derivation of Generalized Camassa-Holm Equations from Boussinesq-type Equations
- Hamiltonian Structures and Integrability of Frobenius Algebra-Valued (n, m)th KdV Hierarchy
- Clinical Features and Outcome of Low and High Corticosteroids in Admitted COVID-19 Patients
- Nonlinear Deterministic Equations in Biological Evolution
- The XLindley Distribution: Properties and Application
- Continuous Correspondence of Conservation Laws of the Semi-discrete AKNS System
- Analytical Properties for the Fifth Order Camassa-Holm (FOCH) Model
- New Type of Nonisospectral KP Equation with Self-Consistent Sources and its Bilinear Bäcklund Transformation
- Tensor fields defined by Lax representations
- Pseudo-Hermitian Reduction of a Generalized Heisenberg Ferromagnet Equation. I. Auxiliary System and Fundamental Properties
- A Note on the Equivalence of Methods to finding Nonclassical Determining Equations
- A New Form of Farlie-Gumbel-Morgenstern Copula: A Comparative Simulation Study and Application
- The Multiplication of Distributions in the Study of a Riemann Problem in Fluid Dynamics
- Integrable discrete autonomous quad-equations admitting, as generalized symmetries, known five-point differential-difference equations
- On a integrable deformations of Heisenberg supermagnetic model
- On the Pseudo-Schrödinger Equation Approximation of the Transfer-Integral Operator for 1-Dimensional DNA Models
- Periodic orbits associated to Hamiltonian functions of degree four
- Classification of 3D Consistent Quad-Equations
- Magnetohydrodynamics's Type Equations Over Clifford Algebras
- On the Generalized KdV Hierarchy and Boussinesq Hierarchy with Lax Triple
- Darboux Polynomials for Lotka–Volterra Systems in Three Dimensions
- Alpha Power Transformed Weibull-G Family of Distributions: Theory and Applications
- Massey products, A∞-algebras, differential equations, and Chekanov homology
- On a connection between formulas about q–gamma functions
- Explicit integration of a generic Hénon-Heiles system with quartic potential
- Properties of the Zeros of the Sum of two Polynomials
- Symmetry of osp(m|n) Spin Calogero–Sutherland Models
- On nonlinearity in three-dimensional equatorial flows
- Semi-discrete hyperbolic equations admitting five dimensional characteristic x-ring
- A New Class of Symmetry Reductions for Parameter Identification Problems
- Modeling Frailty Using Birnbaum Saunders Distribution for Bivariate Survival Data
- Algebro-Geometric Solutions and Their Reductions for the Fokas-Lenells Hierarchy
- Some Rigorous Results on the Eigen Quasispecies Model with a Periodically Moving Sharp-Peak Landscape
- Quantization of the dynamics of a particle on a double cone by preserving Noether symmetries
- Discrete Multiscale Analysis: A Biatomic Lattice System
- Symmetric solutions to the four dimensional degenerate Painlevé type equation NYA₄
- Search for CAC-integrable homogeneous quadratic triplets of quad equations and their classification by BT and Lax
- Invariant functions and contractions of certain types of Lie algebras of lower dimensions
- A generalized Schrödinger equation via a complex Lagrangian of electrodynamics
- Inference in Simple Step-Stress Accelerated Life Tests for Type-II Censoring Lomax Data
- Exact Solutions of the Modified Gross–Pitaevskii Equation in “Smart“ Periodic Potentials in the Presence of External Source
- Factorisation of recursion operators of some Lagrangian systems
- Bi-Hamiltonian structure of the extended noncommutative Toda hierarchy
- µ -symmetry and µ -conservation law for the extended mKdV equation
- Infinite-Dimensional and Colored Supermanifolds
- Cohomology of the Lie Superalgebra of Contact Vector Fields on 𝕂¹|¹ and Deformations of the Superspace of Symbols
- On some connections between the Gompertz function and special numbers
- Supersymmetric Sawada-Kotera Equation: Bäcklund-Darboux Transformations and Applications
- A Large Time Asymptotics for Transparent Potentials for the Novikov–Veselov Equation at Positive Energy
- The Transfer Integral Operator Method in the Study of DNA Unzipping and Bubble Formation
- Integrability of Certain Deformed Nonlinear Partial Differential Equations
- Primary Branch Solutions of First Order Autonomous Scalar Partial Differential Equations via Lie Symmetry Approach
- Estimation of Parameters of the GIE Distribution Under Progressive Type-I Censoring
- Products of distributions and collision of a δ-wave with a δ′-wave in a turbulent model
- The Sylvester equation and integrable equations: I. The Korteweg-de Vries system and sine-Gordon equation
- New extension of dispersionless Harry Dym hierarchy
- Integrability Conditions for Complex Homogeneous Kukles Systems
- Two-component generalizations of the Novikov equation
- In vitro Anti-Inflammatory Potency of Sanguinarine and Chelerythrine via Interaction with Glucocorticoid Receptor
- Proper rational and analytic first integrals for asymmetric 3-dimensional Lotka-Volterra systems
- Bayesian Approach to the Determination of the Kinetic Parameters of DNA Hairpins Under Tension
- Darboux integrability of a generalized Friedmann-Robertson-Walker Hamiltonian system
- Algebro-geometric Constructions of Quasi Periodic Flows of the Discrete Self-dual Network Hierarchy and Applications
- Parameter Estimation of the Weighted Generalized Inverse Weibull Distribution
- Two New Solvable Dynamical Systems of Goldfish Type
- The description of reflection coefficients of the scattering problems for finding solutions of the Korteweg–de Vries equations
- Explicit solutions for a nonlinear model on the honeycomb and triangular lattices
- Semidiscrete Integrable Nonlinear Systems Generated by the New Fourth-Order Spectral Operator: Local Conservation Laws
- Bilinear Identities and Squared Eigenfunction Symmetries of the BCr-KP Hierarchy
- Ideals generated by traces or by supertraces in the symplectic reflection algebra H₁,ν (I₂(2m + 1))
- Eukaryotic Expression and Purification Technology of Glucosidase in Pichia Pastoris
- Phenomenological Modeling of DNA Overstretching
- Dark Equations and Their Light Integrability
- Rogue wave management in an inhomogeneous Nonlinear Fibre with higher order effects
- Preference of Prior for Two-Component Mixture of Lomax Distribution
- Transformation of Auto-Bäcklund Type For Hyperbolic Generalization of Burgers Equation
- Corrigendum to “Qualitative and Quantitative Methods to Evaluate Anthocyanins” [eFood 1(5), October (2020) 339–346]
- Semidiscrete Integrable Nonlinear Systems Generated by the New Fourth Order Spectral Operator: Systems of Obverse Type
- Peakons Arising as Particle Paths Beneath Small-Amplitude Water Waves in Constant Vorticity Flows
- Products in the category of 2n-manifolds
- Coadjoint Orbits of Certain Motion Groups and Their Coherent States
- Nonstandard Separability on the Minkowski Plane
- Some Examples of Algebraic Geodesics on Quadrics. II
- Orbital stability of the smooth solitary wave with nonzero asymptotic value for the mCH equation
- Bubbles, Clusters and Denaturation in Genomic DNA: Modeling, Parametrization, Efficient Computation
- Gross-Pitaevskii non-linear dynamics for pseudo-spinor condensates
- Linearization of a Second-Order Stochastic Ordinary Differential Equation
- Magnetic curves in Sasakian manifolds
- Noncommutative Hypergeometric and Basic Hypergeometric Equations
- Integrability on generalized q-Toda equation and hierarchy
- An Old Method of Jacobi to Find Lagrangians
- On near and the nearest correlation matrix
- Finite and infinite systems of nonlinearly-coupled ordinary differential equations, the solutions of which feature remarkable Diophantine findings
- Periodic solutions of symmetric Kepler perturbations and applications
- Magnetic fields in 2D and 3D sphere
- Pseudo-Hermitian Reduction of a Generalized Heisenberg Ferromagnet Equation. II. Special Solutions
- A multi-symplectic numerical integrator for the two-component Camassa–Holm equation
- Toda–Heisenberg Chain: Interacting σ-Fields in Two Dimensions
- Euler–Lagrange Equations for Functionals Defined On Fréchet Manifolds
- Biomechanics of DNA: Rotational Oscillations of Bases
- Explicit Soliton Asymptotics for the Nonlinear Schrödinger Equation on the Half-Line
- Robin boundary condition and shock problem for the focusing nonlinear Schrödinger equation
- Quantizing preserving Noether symmetries
- Bi-Hamiltonian Representation, Symmetries and Integrals of Mixed Heavenly and Husain Systems
- Integration of the stochastic logistic equation via symmetry analysis
- Nonlocal symmetry constraints and exact interaction solutions of the (2+1) dimensional modified generalized long dispersive wave equation
- Orbital Linearization in the Quadratic Lotka–Volterra Systems Around Singular Points Via Lie Symmetries
- Helicoidal Peyrard–Bishop Model of DNA Dynamics*
- Quaternionic Integrability
- Hopf magnetic curves in the anti-de Sitter space 13
- Classical solutions of a massless Wess-Zumino model
- Averaging in Weakly Coupled Discrete Dynamical Systems
- Bäcklund transformations between four Lax-integrable 3D equations
- Linearisable mappings, revisited
- Quasiperiodic Solutions of the Heisenberg Ferromagnet Hierarchy
- Novel differential algorithm to evaluate all the zeros of any generic polynomial
- Properties of the zeros of the sum of three polynomials
- On the Darboux integrability of a three–dimensional forced–damped differential system
- Algebro-geometric solutions for the two-component Hunter-Saxton hierarchy
- A convenient expression of the time-derivative zn(k)(t) , of arbitrary order k, of the zero zn(t) of a time-dependent polynomial pN(z;t) of arbitrary degree N in z, and solvable dynamical systems
- Preface
- 2D Locus Configurations and the Trigonometric Calogero–Moser System
- An ocean undercurrent, a thermocline, a free surface, with waves: a problem in classical fluid mechanics
- On the nonexistence of Liouvillian first integrals for generalized Liénard polynomial differential systems
- q-Oscillator Algebra And d-Orthogonal Polynomials
- The Transformation between the AKNS Hierarchy and the KN Hierarchy with Self-Consistent Sources
- The Riemann–Hilbert problem to coupled nonlinear Schrödinger equation: Long-time dynamics on the half-line
- The Quantization of a Fourth-Order Equation without a Second-Order Lagrangian
- The number of independent Traces and Supertraces on the Symplectic Reflection Algebra H₁,η(Γ ≀ SN)
- New solvable dynamical systems
- On Nonlocal Symmetries, Nonlocal Conservation Laws and Nonlocal Transformations of Evolution Equations: Two Linearisable Hierarchies
- Propagation of Spikes in Nonresonant Atomic Media: The Reduced Maxwell-Duffing Model
- Lax Pair, Binary Darboux Transformation and New Grammian Solutions of Nonisospectral Kadomtsev–Petviashvili Equation with the Two-Singular-Manifold Method
- Consensus Model with Double Feedback Mechanism Based on Dynamic Trust Relationship in Social Network Group Decision-Making
- On integrability of the Szekeres system. I
- On Symmetric Water Waves with Constant Vorticity
- New Properties of the Zeros of Krall Polynomials
- Functional representation of the negative DNLS hierarchy
- Further Riccati Differential Equations with Elliptic Coefficients and Meromorphic Solutions
- Internal equatorial water waves in the f−plane
- New Integrable Multicomponent Nonlinear Partial Differential-Difference Equations
- Nonlinear Stability Analysis of the Emden–Fowler Equation
- Global Analytic First Integrals for the Simplified Multistrain/Two-Stream Model for Tuberculosis and Dengue Fever
- Algebraic entropy, symmetries and linearization of quad equations consistent on the cube
- Particle paths in Stokes’ edge wave
- On a surface isolated by Gambier
- Bi-Hamiltonian structure of multi-component Novikov equation
- Darboux transformation and novel solutions for the long wave-short wave model
- Solvable nonlinear discrete-time evolutions and Diophantine findings
- Lie symmetry analysis, conservation laws and analytical solutions of a time-fractional generalized KdV-type equation*
- Dynamics of the thermocline in the equatorial region of the Pacific ocean
- Generalized, Master and Nonlocal Symmetries of Certain Deformed Nonlinear Partial Differential Equations
- Author Index (Volume 16)
- A Class of Beta Second Kind Mixture Distributions
- Free-field realizations of the W𝒜n,N-algebra
- Generalization of an Invertible Transformation and Examples of its Applications
- Integration of some examples of geodesic flows via solvable structures
- On Pollard's wave solution at the Equator
- Measure of Departure from Point Symmetry and Decomposition of Measure for Square Contingency Tables
- Composition of Lie Group Elements from Basis Lie Algebra Elements
- The Virasoro action on the tau function for the constrained discrete KP hierarchy
- Generalized Conditional Symmetries, Related Solutions and Conservation Laws of the Grad-Shafranov Equation with Arbitrary Flow
- On the dynamics of internal waves interacting with the equatorial undercurrent
- The gauge transformation of the q-deformed modified KP hierarchy
- An Unbiased Estimator of Finite Population Mean Using Auxiliary Information
- Fault Diagnosis of Bearings Using an Intelligence-Based Autoregressive Learning Lyapunov Algorithm
- Existence of Natural and Conformally Invariant Quantizations of Arbitrary Symbols
- Equilibria of a solvable N-body problem and related properties of the N numbers xn at which the Jacobi polynomial of order N has the same value