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14 Matching Results
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14
Ultimate strength of carbon nanotubes: A theoretical study
Article on a theoretical study of the ultimate strength of carbon nanotubes.
Date:
March 27, 2002
Creator:
Zhao, Qingzhong; Buongiorno Nardelli, Marco & Bernholc, Jerry
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
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
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
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
Supernova 2002ap: the first month
This article reports the results of the first month of an intensive photometric and spectroscopic monitoring campaign of Supernova 2002ap.
Date:
March 27, 2002
Creator:
Gal-Yam, Avishay; Ofek, Efran & Shemmer, Ohad
Object Type:
Article
System:
The UNT Digital Library
Erratum: "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies"
This erratum corrects a computational error affecting the calculation of the intrinsic luminosities of several objects in the article "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies." This does not affect any of the main results of the article.
Date:
April 10, 2002
Creator:
Shemmer, Ohad & Netzer, Hagai
Object Type:
Article
System:
The UNT Digital Library
Is There a Metallicity-Luminosity Relationship in Active Galactic Nuclei? The Case of Narrow-Line Seyfert 1 Galaxies
This article discusses the relationship between metallicity and luminosity in active galactic nuclei by introducing new metallicity measurements for a sample of narrow-line Seyfert 1 galaxies.
Date:
February 8, 2002
Creator:
Shemmer, Ohad & Netzer, Hagai
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
Electronic and field emission properties of boron nitride/carbon nanotube superlattices
Article on electronic and field emission properties of boron nitride/carbon nanotube superlattices.
Date:
July 1, 2002
Creator:
Meunier, Vincent; Roland, Christopher; Bernholc, Jerry & Buongiorno Nardelli, Marco
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
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
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
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
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