Short- and Long-Term Statistical Properties of Heartbeat Time-Series in Healthy and Pathological Subjects (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.
Object Type: Paper
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 (open access)

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
Conflict between trajectories and density description: the statistical source of disagreement (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
Object Type: Paper
System: The UNT Digital Library
Scaling in Non-Stationary time series I (open access)

Scaling in Non-Stationary time series I

Paper discussing scaling in non-stationary time series.
Date: February 2, 2008
Creator: Ignaccolo, Massimiliano; Allegrini, Paolo; Grigolini, Paolo; Hamilton, P. & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Scaling in Non-stationary Time Series 2: Teen Birth Phenomenon (open access)

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.
Date: February 2, 2008
Creator: Ignaccolo, Massimiliano; Allegrini, Paolo; Grigolini, Paolo; Hamilton, P. & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Reply to the Comment  "Intercluster correlation in Seismicity" by Helmstetter and Sornette (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.
Object Type: Paper
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 (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.
Object Type: Paper
System: The UNT Digital Library
Aging and Rejuvenation with Fractional Derivatives (open access)

Aging and Rejuvenation with Fractional Derivatives

Article on aging and rejuvenation with fractional derivatives.
Date: February 2, 2008
Creator: Aquino, Gerardo; Bologna, Mauro; Grigolini, Paolo & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Renewal aging and linear response (open access)

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.
Date: February 6, 2008
Creator: Allegrini, Paolo; Ascolani, Gianluca; Bologna, Mauro & Grigolini, Paolo
Object Type: Paper
System: The UNT Digital Library
Renewal Aging as Emerging Property of Phase Synchronization (open access)

Renewal Aging as Emerging Property of Phase Synchronization

Paper discussing renewal aging as emerging property of phase synchronization.
Date: February 6, 2008
Creator: Bianco, Simone; Geneston, Elvis L.; Grigolini, Paolo & Ignaccolo, Massimiliano
Object Type: Paper
System: The UNT Digital Library
Non-Markovian Nonstationary Completely Positive Open-Quantum-System Dynamics (open access)

Non-Markovian Nonstationary Completely Positive Open-Quantum-System Dynamics

This article discusses non-Markovian nonstationary completely positive open-quantum-system dynamics.
Date: August 4, 2009
Creator: Budini, Adrián A. & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Experimental Quenching of Harmonic Stimuli: Universality of Linear Response Theory (open access)

Experimental Quenching of Harmonic Stimuli: Universality of Linear Response Theory

This article discusses experimental quenching of harmonic stimuli.
Date: July 15, 2009
Creator: Allegrini, Paolo; Bologna, Mauro; Fronzoni, Leone; Grigolini, Paolo & Silvestri, Ludovico
Object Type: Article
System: The UNT Digital Library
Event-Driven Power-Law Relaxation in Weak Turbulence (open access)

Event-Driven Power-Law Relaxation in Weak Turbulence

This article discusses event-driven power-law relaxation in weak turbulence.
Date: January 5, 2009
Creator: Silvestri, Ludovico; Fronzoni, Leone; Grigolini, Paolo & Allegrini, Paolo
Object Type: Article
System: The UNT Digital Library
Sun-Climate Complexity Linking (open access)

Sun-Climate Complexity Linking

Article discussing sun-climate complexity linking and how this property is a consequence of the phenomenon of information transfer.
Date: February 29, 2008
Creator: West, Bruce J. & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Fluctuation-Dissipation Theorem for Event-Dominated Processes (open access)

Fluctuation-Dissipation Theorem for Event-Dominated Processes

Article discussing the fluctuation-dissipation theorem for event-dominated processes.
Date: July 6, 2007
Creator: Allegrini, Paolo; Bologna, Mauro; Grigolini, Paolo & West, Bruce J.
Object Type: Article
System: The UNT Digital Library
Brain, Music, and Non-Poisson Renewal Processes (open access)

Brain, Music, and Non-Poisson Renewal Processes

Article discussing research that shows both music composition and brain function, as revealed by the electroencephalogram (EEG) analysis, are renewal non-Poisson processes living in the nonergodic dominion.
Date: June 21, 2007
Creator: Bianco, Simone; Ignaccolo, Massimiliano; Rider, Mark S.; Ross, Mary J.; Winsor, Phil & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Complexity and Synchronization (open access)

Complexity and Synchronization

This article discusses complexity and synchronization in decision making and information transmission.
Date: August 14, 2009
Creator: Turalska, Malgorzata; Lukovic, Mirko; West, Bruce J. & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Renewal, Modulation, and Superstatistics in Times Series (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
Object Type: Article
System: The UNT Digital Library
Correlation Function and Generalized Master Equation of Arbitrary Age (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.
Object Type: Article
System: The UNT Digital Library
Non-Poisson Dichotomous Noise: Higher-Order Correlation Functions and Aging (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.
Object Type: Article
System: The UNT Digital Library
Fluctuation-Dissipation Process Without a Time Scale (open access)

Fluctuation-Dissipation Process Without a Time Scale

Article discussing the fluctuation-dissipation process without a time scale.
Date: May 2000
Creator: Annunziato, Mario; Grigolini, Paolo & Riccardi, Juri
Object Type: Article
System: The UNT Digital Library
Towards the thermodynamics of localization processes (open access)

Towards the thermodynamics of localization processes

In this article, the authors study the entropy time evolution of a quantum mechanical model, which is frequently used as a prototype for Anderson's localization.
Date: September 2000
Creator: Grigolini, Paolo; Pala, Marco G.; Palatella, Luigi & Roncaglia, Roberto
Object Type: Article
System: The UNT Digital Library
Canonical and noncanonical equilibrium distribution (open access)

Canonical and noncanonical equilibrium distribution

Article discussing research on canonical and noncanonical equilibrium distribution.
Date: 2001
Creator: Annunziato, Mario; Grigolini, Paolo & West, Bruce J.
Object Type: Article
System: The UNT Digital Library
Trajectory versus probability density entropy (open access)

Trajectory versus probability density entropy

In this article, the authors show that the widely accepted conviction that a connection can be established between the probability density entropy and the Kolmogorov-Sinai (KS) entropy is questionable.
Date: 2001
Creator: Bologna, Mauro; Grigolini, Paolo; Karagiorgis, Markos & Rosa, Angelo
Object Type: Article
System: The UNT Digital Library