172 Matching Results

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Non-Poisson processes: regression to equilibrium versus equilibrium correlation functions (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.
Object Type: Paper
System: The UNT Digital Library
Speed of Sound in Periodic Elastic Composites (open access)

Speed of Sound in Periodic Elastic Composites

In this article, the authors consider the low-frequency limit (homogenization) for propagation of sound waves in periodic elastic medium (phononic crystals).
Date: December 29, 2003
Creator: Krokhin, Arkadii A.; Arriaga, J. & Gumen, L.
Object Type: Article
System: The UNT Digital Library
The Spectral Energy Distribution and Emission-Line Properties of the Narrow-Line Seyfert 1 Galaxy Arakelian 564 (open access)

The Spectral Energy Distribution and Emission-Line Properties of the Narrow-Line Seyfert 1 Galaxy Arakelian 564

This article presents the intrinsic spectral energy distribution of the narrow-line Seyfert 1 galaxy Ark 564, constructed with contemporaneous data obtained during a multiwavelength, multisatellite observing campaign in 2000 and 2001.
Date: November 7, 2003
Creator: Romano, P.; Mathur, S.; Turner, T.J.; Kraemer, S.B.; Crenshaw, D.M.; Peterson, Bradley M. et al.
Object Type: Article
System: The UNT Digital Library
Detection of invisible and crucial events: from seismic fluctuations to the war against terrorism (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.
Object Type: Paper
System: The UNT Digital Library
Nanoparticle-assisted microwave absorption by single-wall carbon nanotubes (open access)

Nanoparticle-assisted microwave absorption by single-wall carbon nanotubes

This article discusses nanoparticle-assisted microwave absorption by single-wall carbon nanotubes.
Date: September 29, 2003
Creator: Wadhawan, Atul; Garrett, David & Pérez, José M.
Object Type: Article
System: The UNT Digital Library
Nanotubes in Microwave Fields: Light Emission, Intense Heat, Outgassing, and Reconstruction (open access)

Nanotubes in Microwave Fields: Light Emission, Intense Heat, Outgassing, and Reconstruction

Article discussing nanotubes in microwave fields and light, emission, intense heat, outgassing, and reconstruction.
Date: September 27, 2003
Creator: Imholt, Timothy; Dyke, Christopher A.; Hasslacher, Brosl; Pérez, José M.; Price, D. W.; Roberts, James A. et al.
Object Type: Article
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
Intermittency and scale-free networks: a dynamical model for human language complexity (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
Object Type: Article
System: The UNT Digital Library
Fullerene Coalescence in Nanopeapods: A Path to Novel Tubular Carbon (open access)

Fullerene Coalescence in Nanopeapods: A Path to Novel Tubular Carbon

Article on fullerene coalescence in nanopeapods, which is responsible for forming stable zeppelinlike carbon molecules.
Date: July 1, 2003
Creator: Hernández, E.; Meunier, Vincent; Smith, B. W.; Rurali, R.; Terrones, Humberto; Buongiorno Nardelli, Marco et al.
Object Type: Article
System: The UNT Digital Library
Spontaneous polarization and piezoelectricity in boron nitride nanotubes (open access)

Spontaneous polarization and piezoelectricity in boron nitride nanotubes

Article on spontaneous polarization and piezoelectricity in boron nitride nanotubes.
Date: June 10, 2003
Creator: Nakhmanson, Serge M.; Calzolari, Arrigo; Meunier, Vincent; Bernholc, Jerry & Buongiorno Nardelli, Marco
Object Type: Article
System: The UNT Digital Library
Complex optical-X-ray correlations in the narrow-line Seyfert 1 galaxy NGC 4051 (open access)

Complex optical-X-ray correlations in the narrow-line Seyfert 1 galaxy NGC 4051

This article presents the results of a dense and intensive X-ray and optical monitoring of the narrow-line Seyfert 1 galaxy NGC 4051 carried out in 2000.
Date: May 6, 2003
Creator: Shemmer, Ohad; Uttley, P.; Netzer, Hagai & McHardy, I.M.
Object Type: Article
System: The UNT Digital Library
Power-Law Time Distribution of Large Earthquakes (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.
Object Type: Article
System: The UNT Digital Library
Compression and Diffusion: A Joint Approach to Detect Complexity (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.
Object Type: Article
System: The UNT Digital Library
Cognitive Scale-Free Networks as a Model for Intermittency in Human Natural Language (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
Object Type: Paper
System: The UNT Digital Library
Generalized Master Equation Via Aging Continuous-Time Random Walks (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
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 (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
Long- and Short-Time Analysis of Heartbeat Sequences: Correlation with Mortality Risk in Congestive Heart Failure Patients (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.
Object Type: Article
System: The UNT Digital Library
Vortex Dynamics in Evolutive Flows: A Weakly Chaotic Phenomenon (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
Object Type: Article
System: The UNT Digital Library
Atomic structure of steps and defects on the clean diamond (100)-2 X 1 surface studied using ultrahigh vacuum scanning tunneling microscopy (open access)

Atomic structure of steps and defects on the clean diamond (100)-2 X 1 surface studied using ultrahigh vacuum scanning tunneling microscopy

Article discussing the atomic structure of steps and defects on the clean diamond (100)-2 X 1 surface studied using ultrahigh vacuum scanning tunneling microscopy.
Date: December 9, 2002
Creator: Stallcup, Richard E. & Pérez, José M.
Object Type: Article
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
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
Scaling Detection in Time Series: Diffusion Entropy Analysis (open access)

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
Lévy Scaling: The Diffusion Entropy Analysis Applied to DNA Sequences (open access)

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
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