UNT College of Arts and Sciences - 107 Matching Results

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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).

Date: September 25, 2002

Creator: Scafetta, Nicola & Grigolini, Paolo

Item Type: Article

open access

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.

Date: October 2002

Creator: Allegrini, Paolo; Balocchi, Rita; Chillemi, Santi; Grigolini, Paolo; Palatella, Luigi & Raffaelli, G.

Item Type: Paper

open access

Conflict between trajectories and density description: the statistical source of disagreement

Paper discussing the statistical source of disagreement between trajectories and density description.

Date: December 2002

Creator: Allegrini, Paolo; Grigolini, Paolo; Palatella, Luigi & Rosa, Angelo

Item Type: Paper

open access

Cognitive Scale-Free Networks as a Model for Intermittency in Human Natural Language

Paper discussing cognitive scale-free networks as a model for intermittency in human natural language.

Date: 2003

Creator: Allegrini, Paolo; Grigolini, Paolo & Palatella, Luigi

Item Type: Paper

open access

Generalized Master Equation Via Aging Continuous-Time Random Walks

This article discusses the problem of the equivalence between continuous-time random walk (CTRW) and generalized master equation (GME).

Date: 2003

Creator: Allegrini, Paolo; Aquino, Gerardo; Grigolini, Paolo; Palatella, Luigi & Rosa, Angelo

Item Type: Article

open access

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.

Date: 2003

Creator: Acquisti, Claudia; Allegrini, Paolo; Bogani, Patrizia; Buiatti, Marcello, 1937-; Catanese, Elena; Fronzoni, Leone et al.

Item Type: Paper

open access

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.

Date: 2003

Creator: Allegrini, Paolo; Balocchi, Rita; Chillemi, Santi; Grigolini, Paolo; Hamilton, P.; Maestri, Roberto et al.

Item Type: Article

open access

Vortex Dynamics in Evolutive Flows: A Weakly Chaotic Phenomenon

In this article, the authors make use of a wavelet method to extract, from experimental velocity signals obtained in an evolutive flow, the dominating velocity components generated by vortex dynamics.

Date: 2003

Creator: Bellazzini, Jacopo; Menconi, Giulia; Ignaccolo, Massimiliano; Buresti, Guido & Grigolini, Paolo

Item Type: Article

open access

Compression and Diffusion: A Joint Approach to Detect Complexity

Article discussing a joint approach to detect complexity by combining the Compression Algorithm Sensitive To Regularity (CASToRe) and Complex Analysis of Sequences via Scaling AND Randomness Assessment (CASSANDRA) procedures.

Date: February 1, 2003

Creator: Allegrini, Paolo; Benci, V. (Vieri); Grigolini, Paolo; Hamilton, P.; Ignaccolo, Massimiliano; Menconi, Giulia et al.

Item Type: Article

open access

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.

Date: May 2003

Creator: Mega, Mirko S.; Allegrini, Paolo; Grigolini, Paolo; Latora, Vito; Palatella, Luigi; Rapisarda, Andrea et al.

Item Type: Article

open access

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.

Date: August 28, 2003

Creator: Allegrini, Paolo; Grigolini, Paolo & Palatella, Luigi

Item Type: Article

open access

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.

Date: September 15, 2003

Creator: Mega, Mirko S.; Allegrini, Paolo; Grigolini, Paolo; Latora, Vito; Palatella, Luigi; Rapisarda, Andrea et al.

Item Type: Paper

open access

Detection of invisible and crucial events: from seismic fluctuations to the war against terrorism

Paper discussing the detection of invisible and crucial events.

Date: October 28, 2003

Creator: Allegrini, Paolo; Fronzoni, Leone; Grigolini, Paolo; Latora, Vito; Mega, Mirko S.; Palatella, Luigi et al.

Item Type: Paper

open access

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.

Date: 2004

Creator: Palatella, Luigi; Allegrini, Paolo; Grigolini, Paolo; Latora, Vito; Mega, Mirko S.; Rapisarda, Andrea et al.

Item Type: Article

open access

Non-Poisson processes: regression to equilibrium versus equilibrium correlation functions

Paper discussing non-Poisson processes and regression to equilibrium versus equilibrium correlation functions.

Date: 2004

Creator: Allegrini, Paolo; Grigolini, Paolo; Palatella, Luigi; Rosa, Angelo & West, Bruce J.

Item Type: Paper

open access

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.

Date: February 26, 2004

Creator: Scafetta, Nicola; Grigolini, Paolo; Imholt, Timothy; Roberts, James A. & West, Bruce J.

Item Type: Article

open access

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.

Date: March 26, 2004

Creator: Mega, Mirko S.; Allegrini, Paolo; Grigolini, Paolo; Latora, Vito; Palatella, Luigi; Rapisarda, Andrea et al.

Item Type: Article

open access

Absorption and Emission in the Non-Poissonian Case

Article on absorption and emission in the Non-Poissonian Case.

Date: July 28, 2004

Creator: Aquino, Gerardo; Palatella, Luigi & Grigolini, Paolo

Item Type: Article

open access

Random Growth of Interfaces as a Subordinated Process

Article discussing the random growth of interfaces as a subordinated process.

Date: July 30, 2004

Creator: Failla, Roberto; Grigolini, Paolo; Ignaccolo, Massimiliano & Schwettmann, Arne

Item Type: Article

open access

Aging and Rejuvenation with Fractional Derivatives

This article discusses aging rejuvenation with fractional derivatives.

Date: September 10, 2004

Creator: Aquino, Gerardo; Bologna, Mauro; Grigolini, Paolo & West, Bruce J.

Item Type: Article

open access

Non-Poisson Dichotomous Noise: Higher-Order Correlation Functions and Aging

This article discusses non-Poisson dichotomous noise and higher-order correlation functions and aging.

Date: October 26, 2004

Creator: Allegrini, Paolo; Grigolini, Paolo; Palatella, Luigi & West, Bruce J.

Item Type: Article

open access

Correlation Function and Generalized Master Equation of Arbitrary Age

Article discussing research on correlation function and generalized master equation of arbitrary age.

Date: June 10, 2005

Creator: Allegrini, Paolo; Aquino, Gerardo; Grigolini, Paolo; Palatella, Luigi; Rosa, Angelo & West, Bruce J.

Item Type: Article

open access

Linear Response to Perturbation of Nonexponential Renewal Processes

This article discusses the linear response to perturbation of nonexponential renewal processes.

Date: November 23, 2005

Creator: Barbi, Francesco; Bologna, Mauro & Grigolini, Paolo

Item Type: Article

open access

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.

Date: April 27, 2006

Creator: Allegrini, Paolo; Barbi, Francesco; Grigolini, Paolo & Paradisi, Paolo

Item Type: Article

UNT College of Arts and Sciences - 107 Matching Results

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Scaling Detection in Time Series: Diffusion Entropy Analysis

Short- and Long-Term Statistical Properties of Heartbeat Time-Series in Healthy and Pathological Subjects

Conflict between trajectories and density description: the statistical source of disagreement

Cognitive Scale-Free Networks as a Model for Intermittency in Human Natural Language

Generalized Master Equation Via Aging Continuous-Time Random Walks

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

Long- and Short-Time Analysis of Heartbeat Sequences: Correlation with Mortality Risk in Congestive Heart Failure Patients

Vortex Dynamics in Evolutive Flows: A Weakly Chaotic Phenomenon

Compression and Diffusion: A Joint Approach to Detect Complexity

Power-Law Time Distribution of Large Earthquakes

Intermittency and scale-free networks: a dynamical model for human language complexity

Reply to the Comment "Intercluster correlation in Seismicity" by Helmstetter and Sornette

Detection of invisible and crucial events: from seismic fluctuations to the war against terrorism

Non-Poisson distribution of the time distances between two consecutive clusters of earthquakes

Non-Poisson processes: regression to equilibrium versus equilibrium correlation functions

Solar Turbulence in Earth's Global and Regional Temperature Anomalies

Mega et al. Reply

Absorption and Emission in the Non-Poissonian Case

Random Growth of Interfaces as a Subordinated Process

Aging and Rejuvenation with Fractional Derivatives

Non-Poisson Dichotomous Noise: Higher-Order Correlation Functions and Aging

Correlation Function and Generalized Master Equation of Arbitrary Age

Linear Response to Perturbation of Nonexponential Renewal Processes

Renewal, Modulation, and Superstatistics in Times Series