Cover Art: 'Sun Fusion Amoebas'.
Wiktor Mazin
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Nonlinear Science Leaps Forward … Again.
Stephen J. Guastello, pg. 1
Keywords: fractal, ergodicity, oscillator, state space analysis, entropy, time delays
ABSTRACT   ARTICLE   

Estimating Fractional Dependencies and Scale Invariance in Univariate Time Series Data: A Primer.
Matthijs Koopmans, pg. 7
Keywords: Hurst exponent, spectral density, fractional differencing, metastability, fractals
ABSTRACT   ARTICLE   

On the Effectiveness of Sparse Identification Methods to Detect Nonlinear Models of Oscillatory Dynamics in Psychology and the Life Sciences.
Alessandro Maria Selvitella & Elliot Allen, pg. 31
Keywords: SINDy, van der Pol equation, bipolar disorder, pitfalls, misdiagnosis, data-driven dynamical systems
ABSTRACT   ARTICLE   

Singular Value Decomposition Entropy for Complex Data Analysis.
Jose Alvarez-Ramirez, Monica Meraz, & Eduardo Rodriguez, pg. 59
Keywords: entropy, complexity, fractality, applications
ABSTRACT   ARTICLE   

Lambert W Function in Solving Delay Differential Equations for Modeling in Economics and Finance.
Adam Krawiec, Akio Matsumoto, & Anna Połeć, pg. 85
Keywords: delay differential equations, Lambert W function, Solow model, market price model, stability analysis
ABSTRACT   ARTICLE   

The "Two Worlds, Two Urns" Experiment: A Teacher's Reflection on Ergodicity and Economic Methodology.
Tomasz Kopczewski & Tomasz Potocki, pg. 113
Keywords: non-ergodic dynamics, Pólya urn, path dependence, time vs ensemble average, stochastic reinforcement, inequality dynamics
ABSTRACT   ARTICLE   

Quantum Fractal Art: Bringing Fractals into the Age of Quantum Computing.
Wiktor Mazin, pg. 149
Keywords: quantum fractals, quantum superposition, quantum entanglement, quantum noise, symbolic fractals, interdisciplinary collaboration
ABSTRACT   ARTICLE