25 years of self-organized criticality: space and laboratory plasmas

AS Sharma, MJ Aschwanden, NB Crosby… - Space Science …, 2016 - Springer
Studies of complexity in extended dissipative dynamical systems, in nature and in
laboratory, require multiple approaches and the framework of self-organized criticality (SOC) …

Systems theory for geospace plasma dynamics

D Vassiliadis - Reviews of Geophysics, 2006 - Wiley Online Library
This is a tutorial review on systems theory and its applications to space plasma physics and,
more broadly, on geophysics. With its basis on the state representation of a plasma the …

Adaptive brain emotional decayed learning for online prediction of geomagnetic activity indices

E Lotfi, MR Akbarzadeh-T - Neurocomputing, 2014 - Elsevier
In this paper we propose adaptive brain-inspired emotional decayed learning to predict Kp,
AE and Dst indices that characterize the chaotic activity of the earth's magnetosphere by …

A winner-take-all approach to emotional neural networks with universal approximation property

E Lotfi, MR Akbarzadeh-T - Information Sciences, 2016 - Elsevier
In this article, a brain-inspired winner-take-all emotional neural network (WTAENN)
architecture is proposed and then the universal approximation property for this kind of …

Phase transition‐like behavior of the magnetosphere during substorms

MI Sitnov, AS Sharma, K Papadopoulos… - Journal of …, 2000 - Wiley Online Library
The behavior of substorms as sudden transitions of the magnetosphere is studied using the
Bargatze et al.[1985] data set of the solar wind induced electric field vBs and the auroral …

Learning based brain emotional intelligence as a new aspect for development of an alarm system

T Babaie, R Karimizandi, C Lucas - Soft Computing, 2008 - Springer
The multi criteria and purposeful prediction approach has been introduced and is
implemented by the fast and efficient behavioral based brain emotional learning method. On …

The week, inherited in neonatal human twins, found also in geomagnetic pulsations in isolated Antarctica

G Cornélissen, M Engebretson, D Johnson… - Biomedicine & …, 2000 - Elsevier
About 7-day (circaseptan) components, found at different levels of organization, notably in
relation to growth, regeneration, repair and development, are often viewed as reflecting no …

A solar cycle dependence of nonlinearity in magnetospheric activity

JR Johnson, S Wing - Journal of Geophysical Research: Space …, 2005 - Wiley Online Library
The nonlinear dependencies inherent to the historical Kp data stream (1932–2003) are
examined using mutual information and cumulant‐based cost as discriminating statistics …

Support vector machine as an efficient tool for high‐dimensional data processing: Application to substorm forecasting

VV Gavrishchaka, SB Ganguli - Journal of Geophysical …, 2001 - Wiley Online Library
The support vector machine (SVM) has been used to model solar wind‐driven geomagnetic
substorm activity characterized by the auroral electrojet (AE) index. The focus of the present …

First and second order non-equilibrium phase transition and evidence for non-extensive Tsallis statistics in Earth's magnetosphere

GP Pavlos, AC Iliopoulos, VG Tsoutsouras… - Physica A: Statistical …, 2011 - Elsevier
In this paper strong evidence is provided for significant far from equilibrium phase transition
processes in the Earth's magnetosphere as revealed by the nonlinear analysis of in situ …