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123 Matching Results
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Role of committed minorities in times of crisis
Article discussing the role of committed minorities in time of crisis.
Date:
March 4, 2013
Creator:
Turalska, Malgorzata; West, Bruce J. & Grigolini, Paolo
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
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
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
Self-Organized Temporal Criticality: Bottom-Up Resilience versus Top-Down Vulnerability
This article proposes a social model of spontaneous self-organization generating criticality and resilience, called Self-Organized Temporal Criticality (SOTC).
Date:
March 26, 2018
Creator:
Mahmoodi, Korosh; West, Bruce J. & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
Self-organizing Complex Networks: individual versus global rules
This article introduces a form of Self-organized Criticality (SOC) inspired by the new generation of evolutionary game theory, which ranges from physiology to sociology.
Date:
June 7, 2017
Creator:
Mahmoodi, Korosh; West, Bruce J. & 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
Site correlation, anomalous diffusion, and enhancement of the localization length
This article discusses site correlation, anomalous diffusion, and enhancement of localization length.
Date:
November 1, 1996
Creator:
Allegrini, Paolo; Bonci, Luca; Grigolini, Paolo & West, Bruce J.
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
Spontaneous Brain Activity as a Source of Ideal 1/f Noise
In this article, the authors study the electroencephalogram (EEG) of 30 closed-eye subjects with a technique of analysis recently proposed to detect punctual events signaling rapid transitions between different metastable states.
Date:
December 18, 2009
Creator:
Allegrini, Paolo; Menicucci, Danilo; Bedini, Remo; Fronzoni, Leone; Gemignani, Angelo; Grigolini, Paolo et al.
Object Type:
Article
System:
The UNT Digital Library
Statistical analysis of air and sea temperature anomalies
Paper discussing the statistical analysis of air and sea temperature anomalies.
Date:
March 11, 2013
Creator:
Scafetta, Nicola; Imholt, Timothy; Grigolini, Paolo & Roberts, James A.
Object Type:
Paper
System:
The UNT Digital Library
Stromatolites: why do we care?
Article discussing stromatolites. The authors apply the method of Diffusion Entropy (DE) to the study of stromatolites by means of a two-dimensional procedure that makes it possible for us to compare the DE analysis to the results of a compression method.
Date:
July 14, 2011
Creator:
Ignaccolo, Massimiliano; Schwettmann, Arne; Failla, Roberto; Storrie-Lombardi, Michael C. & Grigolini, Paolo
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
A Symmetric Approach Elucidates Multisensory Information Integration
This article shows that the Borsuk-Ulam theorem applies also to multisensory integration: two environmental stimuli from different sensory modalities display similar features when mapped into cortical neurons.
Date:
December 27, 2016
Creator:
Tozzi, Arturo & Peters, James F.
Object Type:
Article
System:
The UNT Digital Library
Symmetries, Information and Monster Groups before and after the Big Bang
This article discusses how the energetic loss caused by projection from higher to lower dimensions and by the Monster group’s non-abelian features is correlated with the present-day asymmetry in the thermodynamic arrow.
Date:
December 21, 2016
Creator:
Tozzi, Arturo & Peters, James F.
Object Type:
Article
System:
The UNT Digital Library
Symmetry-induced intermittency in a stochastic reflexive model
Article on symmetry-induced intermittency in a stochastic reflexive model.
Date:
February 21, 2012
Creator:
Palatella, Luigi & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
Team Resilience in Complex and Turbulent Environments: The Effect of Size and Density of Social Interactions
This article addresses the question of how teams cope with environmental threats by investigating two drivers of team resilience: the team size and the density of social interactions among team members.
Date:
July 24, 2018
Creator:
Giannoccaro, Ilaria; Massari, Giovanni F. & Carbone, Giuseppe
Object Type:
Article
System:
The UNT Digital Library
Temporal Complexity of the Order Parameter at the Phase Transition
Article discussing the temporal complexity of the order parameter at the phase transition.
Date:
June 24, 2011
Creator:
Turalska, Malgorzata; West, Bruce J. & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
Topology of Black Holes’ Horizons
Article exploring the topology of black holes.
Date:
April 3, 2019
Creator:
Tozzi, Arturo & Peters, James F.
Object Type:
Article
System:
The UNT Digital Library
Towards a Neuronal Gauge Theory
This article proposes that the brain (and other self-organised biological systems) can be characterised via the mathematical apparatus of a gauge theory.
Date:
March 8, 2016
Creator:
Sengupta, Biswa; Tozzi, Arturo; Cooray, Gerald K.; Douglas, Pamela K. & Friston, Karl J.
Object Type:
Article
System:
The UNT Digital Library
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
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
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