Search Results

In the search for the low-complexity sequences in prokaryotic and eukaryotic genomes: how to derive a coherent picture from global and local entropy measures
Paper discussing the search for the low-complexity sequences in prokaryotic and eukaryotic genomes and how to derive a coherent picture from global and local entropy measures.
Intermittency and scale-free networks: a dynamical model for human language complexity
Article discussing intermittency, scale-free networks, and a dynamical model for human language complexity.
Lévy diffusion as an effect of sporadic randomness
This article discusses Lévy diffusion as an effect of sporadic randomness.
Lévy Scaling: The Diffusion Entropy Analysis Applied to DNA Sequences
Article on Lévy scaling and the diffusion entropy analysis applied to DNA sequences. The authors address the problem of the statistical analysis of a time series generated by complex dynamics with the diffusion entropy analysis.
Linear response at criticality
In this article, the authors study a set of cooperatively interacting units at criticality, and prove with analytical and numerical arguments that they generate the same renewal non-Poisson intermittency as that produced by blinking quantum dots.
Linear Response of Hamiltonian Chaotic Systems as a Function of the Number of Degrees of Freedom
This article discusses the linear response of Hamiltonian chaotic systems as a function of the number of degrees of freedom.
Linear Response to Perturbation of Nonexponential Renewal Processes
This article discusses the linear response to perturbation of nonexponential renewal processes.
Long- and Short-Time Analysis of Heartbeat Sequences: Correlation with Mortality Risk in Congestive Heart Failure Patients
Article discussing long- and short-time analysis of heartbeat sequences and the correlation with mortality risk in congestive heart failure patients.
The Markov approximation revisited: inconsistency of the standard quantum Brownian motion model
Article discussing the Markov approximation and inconsistency of the standard quantum Brownian motion model.
Mega et al. Reply
This article is a reply to a comment by A. Helmstetter and D. Sornette about the article 'Power-Law Time Distribution of Large Earthquakes' from 2003.
Memory Beyond Memory in Heart Beating, a Sign of a Healthy Physiological Condition
In this article, the authors describe two types of memory and illustrate each using artificial and actual heartbeat data sets.
Memory Effects in Fractional Brownian Motion with Hurst Exponent H<1/3
This article discusses a study on the regression to the origin of a walker driven by dynamically generated fractional Brownian motion.
Networking of psychophysics, psychology, and neurophysiology
Article discussing the dynamic networking and dynamic networks in complex research on psychophysics, psychology, and neurophysiology.
Neural Dynamics: Criticality, Cooperation, Avalanches and Entrainment between Complex Networks
Book chapter discussing neural dynamics and the criticality, cooperation, avalanches and entrainment between complex networks.
Noise-induced transition from anomalous to ordinary diffusion: The crossover time as a function of noise intensity
This article discusses noise-induced transition from anomalous to ordinary diffusion and the crossover time as a function of noise intensity.
Non-Gaussian statistics of anomalous diffusion: The DNA sequences of prokaryotes
This article discusses a non-Gaussian indicator to measure the deviation from Gaussian statistics of a diffusion process generated by dichotomous fluctuations with infinite memory.
Non-Markovian Nonstationary Completely Positive Open-Quantum-System Dynamics
This article discusses non-Markovian nonstationary completely positive open-quantum-system dynamics.
Non-Poisson Dichotomous Noise: Higher-Order Correlation Functions and Aging
This article discusses non-Poisson dichotomous noise and higher-order correlation functions and aging.
Non-Poisson distribution of the time distances between two consecutive clusters of earthquakes
Article discussing non-Poisson distribution of the time distances between two consecutive clusters of earthquakes.
Non-Poisson processes: regression to equilibrium versus equilibrium correlation functions
Paper discussing non-Poisson processes and regression to equilibrium versus equilibrium correlation functions.
Power-Law Time Distribution of Large Earthquakes
Article discussing power-law time distribution of large earthquakes and a study of the statistical properties of time distribution of seismicity in California by means of diffusion entropy.
Power spectra for both interrupted and perennial aging processes
Article on power spectra for both interrupted and perennial aging processes.
Probability flux as a method for detecting scaling
Paper on probability flux as a method for detecting scaling.
Publisher's Note: Beyond the Death of Linear Response: 1/f Optimal Information Transport [Phys. Rev. Lett. 105,040601 (2010)]
This is a Publisher's Note for the article 'Beyond the Death of Linear Response: 1/f Optimal Information Transport' [Phys. Rev. Lett. 105, 040601 (2010)].
Quantum Entanglement and Entropy
This article discusses quantum entanglement and entropy.
Random Growth of Interfaces as a Subordinated Process
Article discussing the random growth of interfaces as a subordinated process.
Real event detection and the treatment of congestive heart failure: an efficient technique to help cardiologists to make crucial decisions
Paper discussing the treatment of congestive heart failure. Abstract: Using a method of entropic analysis of time series we establish the correlation between heartbeat long-range memory and mortality risk in patients with congestive heart failure.
Renewal aging and linear response
Paper discussing the linear response to an external perturbation of a renewal process, in an aging condition that, with no perturbation, would yield super-diffusion.
Renewal Aging as Emerging Property of Phase Synchronization
Paper discussing renewal aging as emerging property of phase synchronization.
Renewal and memory origin of anomalous diffusion: A discussion of their joint action
Article on the renewal and memory origin of anomalous diffusion and a discussion of their joint action.
Renewal and memory properties in the random growth of surfaces
Article discussing the renewal and memory properties in the random growth of surfaces.
Renewal, Modulation, and Superstatistics in Times Series
Article discussing two different approaches, referred to as renewal and modulation, to generate time series with a nonexponential distribution of waiting times.
Reply to the Comment "Intercluster correlation in Seismicity" by Helmstetter and Sornette
This paper is a reply to the comment by Helmstetter and Sornette titled "Intercluster correlation in Seismicity" which addresses an important point in a paper written by the authors that needs to be clarified.
Response of Complex Systems to Complex Perturbations: the Complexity Matching Effect
Paper discussing the complexity matching effect.
Role of committed minorities in times of crisis
Article discussing the role of committed minorities in time of crisis.
Scaling Breakdown: A Signature of Aging
In this article, the authors prove that the Lévy walk is characterized by bilinear scaling. This effect mirrors the existence of a form of aging that does not require the adoption of nonstationary conditions.
Scaling Detection in Time Series: Diffusion Entropy Analysis
Article discussing a method of statistical analysis based on the Shannon entropy of the diffusion process generated by the time series, called diffusion entropy analysis (DEA).
Scaling in Non-stationary Time Series 2: Teen Birth Phenomenon
This paper is devoted to the problem of statistical mechanics raised by the analysis of an issue of sociological interest: the teen birth phenomenon.
Scaling in Non-Stationary time series I
Paper discussing scaling in non-stationary time series.
Short- and Long-Term Statistical Properties of Heartbeat Time-Series in Healthy and Pathological Subjects
Paper discussing short- and long-term statistical properties of heartbeat time-series in healthy and pathological subjects.
Site correlation, anomalous diffusion, and enhancement of the localization length
This article discusses site correlation, anomalous diffusion, and enhancement of localization length.
Solar Turbulence in Earth's Global and Regional Temperature Anomalies
This article presents a study of the influence of solar activity on the earth's temperature. In particular, the authors focus on the repercussion of the fluctuations of the solar irradiance on the temperature of the Northern and Southern hemispheres as well as on land and ocean regions.
Spontaneous Brain Activity as a Source of Ideal 1/f Noise
In this article, the authors study the electroencephalogram (EEG) of 30 closed-eye subjects with a technique of analysis recently proposed to detect punctual events signaling rapid transitions between different metastable states.
Statistical analysis of air and sea temperature anomalies
Paper discussing the statistical analysis of air and sea temperature anomalies.
Stromatolites: why do we care?
Article discussing stromatolites. The authors apply the method of Diffusion Entropy (DE) to the study of stromatolites by means of a two-dimensional procedure that makes it possible for us to compare the DE analysis to the results of a compression method.
Sun-Climate Complexity Linking
Article discussing sun-climate complexity linking and how this property is a consequence of the phenomenon of information transfer.
A Symmetric Approach Elucidates Multisensory Information Integration
This article shows that the Borsuk-Ulam theorem applies also to multisensory integration: two environmental stimuli from different sensory modalities display similar features when mapped into cortical neurons.
Symmetries, Information and Monster Groups before and after the Big Bang
This article discusses how the energetic loss caused by projection from higher to lower dimensions and by the Monster group’s non-abelian features is correlated with the present-day asymmetry in the thermodynamic arrow.
Symmetry-induced intermittency in a stochastic reflexive model
Article on symmetry-induced intermittency in a stochastic reflexive model.
Temporal Complexity of the Order Parameter at the Phase Transition
Article discussing the temporal complexity of the order parameter at the phase transition.
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