Nonlinear Dynamics, Psychology, and Life Sciences, Vol. 30,2026
@2026 Society for Chaos Theory in Psychology & Life Sciences


Volume 30, Issue 1, Jan, 2026

Cover Art: 'Sun Fusion Amoebas'.
Wiktor Mazin
ARTICLE   

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   


Volume 30, Issue 2, Apr, 2026

Cover Art: 'The Quantum Bird'.
Wiktor Mazin
ARTICLE   

Stability in a Two-Strain Dengue Model with a Constant Recruitment.
Joanna Rencławowicz, Marcin Choiński, & Urszula Skwara, pg. 155
Keywords: dengue, constant recruitment, vertical transmission, two-strain equilibrium, local stability
ABSTRACT   ARTICLE   

State Space Theory as a Unifying Framework for Consciousness.
Vikas N. O'Reilly-Shah, pg. 185
Keywords: consciousness, state space, multiple drafts, attention schema, global workspace, integrated information, delay coordinate embedding, recurrent neural networks
ABSTRACT   ARTICLE   

Investigating the Physiological Role of Fractal Pupil Oscillations.
P. Moon, M. S. Fairbanks, J. Schirillo, & R. P. Taylor, pg. 227
Keywords: biophilia, fractal patterns, parasympathetic system, pupillography, relaxation
ABSTRACT   ARTICLE   

Interlocking Director Networks and Systemic Risk in Financial Institutions.
Kaiwei Jia & Xintian Li, pg. 255
Keywords: interlocking director networks, systemic risk, governance convergence, individual risk
ABSTRACT   ARTICLE   

Corrections.
pg. 298
ABSTRACT   ARTICLE