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123 Matching Results
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Quantum Entanglement and Entropy
This article discusses quantum entanglement and entropy.
Date:
August 20, 2001
Creator:
Giraldi, Filippo & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
Diffusion Entropy and Waiting Time Statistics of Hard-X-Ray Solar Flares
Article on diffusion entropy and waiting time statistics of hard-x-ray solar flares.
Date:
March 25, 2002
Creator:
Grigolini, Paolo; Leddon, Deborah & Scafetta, Nicola
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
April 11, 2002
Creator:
Allegrini, Paolo; Grigolini, Paolo; Hamilton, P.; Palatella, Luigi & Raffaelli, G.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
July 12, 2002
Creator:
Allegrini, Paolo; Bellazzini, Jacopo; Bramanti, G.; Ignaccolo, Massimiliano; Grigolini, Paolo & Yang, J.
Object Type:
Article
System:
The UNT Digital Library
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.
Date:
September 2002
Creator:
Allegrini, Paolo; Balocchi, Rita; Chillemi, Santi; Grigolini, Paolo; Hamilton, P.; Maestri, Roberto et al.
Object Type:
Paper
System:
The UNT Digital Library
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.
Date:
September 20, 2002
Creator:
Scafetta, Nicola; Latora, Vito & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
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
Object Type:
Article
System:
The UNT Digital Library
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.
Object Type:
Paper
System:
The UNT Digital Library
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
Object Type:
Paper
System:
The UNT Digital Library
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
Object Type:
Paper
System:
The UNT Digital Library
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
Object Type:
Article
System:
The UNT Digital Library
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.
Object Type:
Paper
System:
The UNT Digital Library
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.
Object Type:
Article
System:
The UNT Digital Library
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
Object Type:
Article
System:
The UNT Digital Library
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.
Object Type:
Article
System:
The UNT Digital Library
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.
Object Type:
Article
System:
The UNT Digital Library
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
Object Type:
Article
System:
The UNT Digital Library
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.
Object Type:
Paper
System:
The UNT Digital Library
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.
Object Type:
Paper
System:
The UNT Digital Library
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.
Object Type:
Article
System:
The UNT Digital Library
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.
Object Type:
Paper
System:
The UNT Digital Library
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.
Object Type:
Article
System:
The UNT Digital Library
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.
Object Type:
Article
System:
The UNT Digital Library
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
Object Type:
Article
System:
The UNT Digital Library