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Degree Department
19 Matching Results
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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
Chandra Observations of the Highest Redshift Quasars from the Sloan Digital Sky Survey
This article presents Chandra observations of 21 z > 4 quasars, including 11 sources at z > 5.
Date:
February 17, 2006
Creator:
Shemmer, Ohad; Brandt, William Nielsen; Schneider, Donald P.; Fan, Xiaohui; Strauss, Michael A.; Diamond-Stanic, Aleksandar M. et al.
Object Type:
Article
System:
The UNT Digital Library
X-Ray Insights Into the Nature of Weak Emission-Line Quasars at High Redshift
This article presents Chandra observations of nine high-redshift quasars discovered by the Sloan Digital Sky Survey with weak or undetectable high-ionization emission lines in their UV spectra.
Date:
February 8, 2009
Creator:
Shemmer, Ohad; Brandt, William Nielsen; Anderson, Scott F.; Diamond-Stanic, Aleksandar M.; Fan, Xiaohui; Richards, Gordon T. et al.
Object Type:
Article
System:
The UNT Digital Library
Non-extensive diffusion entropy analysis: non-stationarity in teen birth phenomena
Paper discussing non-extensive diffusion entropy analysis and non-stationarity in teen birth phenomena.
Date:
February 6, 2008
Creator:
Scafetta, Nicola; Grigolini, Paolo; Hamilton, P. & West, Bruce J.
Object Type:
Paper
System:
The UNT Digital Library
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
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
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
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
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
Fluorescence intermittency in blinking quantum dots: renewal or slow modulation?
Article discussing fluorescence intermittency in blinking quantum dots.
Date:
February 2, 2008
Creator:
Bianco, Simone; Grigolini, Paolo & Paradisi, Paolo
Object Type:
Article
System:
The UNT Digital Library
Dynamics of EEG Entropy: beyond signal plus noise
Paper discussing the dynamics of EEG entropy.
Date:
February 6, 2009
Creator:
Ignaccolo, Massimiliano; Latka, Miroslaw; Jernajczyk, Wojciech; Grigolini, Paolo & West, Bruce J.
Object Type:
Paper
System:
The UNT Digital Library
From Knowledge, Knowability and the Search for Objective Randomness to a New Vision of Complexity
Paper discussing knowledge, knowability, and the search for objective randomness to a new vision of complexity.
Date:
February 2, 2008
Creator:
Allegrini, Paolo; Giuntoli, Martina; Grigolini, Paolo & West, Bruce J.
Object Type:
Paper
System:
The UNT Digital Library
Decoherence, wave function collapses and non-ordinary statistical mechanics
Article discussing decoherence, wave function collapses, and non-ordinary statistical mechanics.
Date:
February 1, 2008
Creator:
Bologna, Mauro; Grigolini, Paolo; Pala, Marco G. & Palatella, Luigi
Object Type:
Article
System:
The UNT Digital Library
Aging in financial market
Article discussing aging in the financial market.
Date:
February 2, 2008
Creator:
Bianco, Simone & 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
Towards the timely detection of toxicants
Article discussing the problem of enhancing the sensitivity of biosensors to the influence of toxicants, with an entropy method of analysis, denoted as CASSANDRA, for the specific purpose of studying non-stationary time series.
Date:
February 1, 2008
Creator:
Ignaccolo, Massimiliano; Grigolini, Paolo & Gross, Guenter W.
Object Type:
Article
System:
The UNT Digital Library
Renewal and memory properties in the random growth of surfaces
Article discussing the renewal and memory properties in the random growth of surfaces.
Date:
February 4, 2008
Creator:
Cakir, Rasit; Grigolini, Paolo & Ignaccolo, Massimiliano
Object Type:
Article
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
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