Authors: Adam B. Barrett, Lionel Barnett, Anil K. Seth
arXiv
Granger causality analysis is a popular method for inference on directed interactions in complex systems of many variables. A shortcoming of the standard framework for Granger causality is that it onl...
Authors: Armndop Bazzani, Gastone C. Castellani, Leon N. Cooper
arXiv
We analyze the effects of noise correlations in the input to, or among, BCM neurons using the Wigner semicircular law to construct random, positive-definite symmetric correlation matrices and comput...
Authors: Mario Chavez, Miguel Valencia, Vito Latora, Jacques Martinerie
arXiv
Today, the human brain can be studied as a whole. Electroencephalography, magnetoencephalography, or functional magnetic resonance imaging techniques provide functional connectivity patterns between...
Authors: Ivana Roche, Dominique Besagni, Claire François, Marianne Hörlesberger, Edgar L Schiebel
arXiv
This paper focuses on methodological approaches for characterising the specific topics within a technological field based on scientific literature data. We introduce a diachronic clustering analysis...
Authors: Sylvain Hanneton, Anaïs Varenne
arXiv
Aging or sedentary behavior can decrease motor capabilities causing a loss of autonomy. Prevention or readaptation programs that involve practice of physical activities can be precious tools to figh...
Authors: A. De Gregorio, S. M. Iacus
arXiv
The LASSO is a widely used statistical methodology for simultaneous estimation and variable selection. In the last years, many authors analyzed this technique from a theoretical and applied point of...
Authors: Ansgar Steland
arXiv
When analysing time series an important issue is to decide whether the time series is stationary or a random walk. Relaxing these notions, we consider the problem to decide in favor of the I(0)- or...
Authors: Caglar Tuncay
arXiv
The electroencephalographic (EEG) data intracerebrally recorded from 20 epileptic humans with different brain origins of focal epilepsies or types of seizures, ages and sexes are investigated (nearl...
Authors: Richard D. Gill
arXiv
I argue that we must distinguish between: (0) the Three-Doors-Problem Problem [sic], which is to make sense of some real world question of a real person. (1) a large number of solutions to this...
Authors: Claudius Gros
arXiv
The primary tasks of a cognitive system is to survive and to maximize a life-long utility function, like the number of offsprings. A direct computational maximization of life-long utility is however...
Authors: Wagner Barreto-Souza, Alexandre B. Simas
arXiv
In this paper we introduce a new method to add a parameter to a family of distributions. The additional parameter is completely studied and a full description of its behaviour in the distribution is g...
Authors: Matjaz Perc
arXiv
Slovenia's Current Research Information System (SICRIS) currently hosts 86,443 publications with citation data from 8,359 researchers working on the whole plethora of social and natural sciences fro...
Authors: Benjamin Golub, Yair Livne
arXiv
This paper develops strategic foundations for an important statistical model of random networks with heterogeneous expected degrees. Based on this, we show how social networking services that subtly a...
Authors: Greg J Stephens, Bethany Johnson-Kerner, William Bialek, William S Ryu
arXiv
Organisms move through the world by changing their shape, and here we explore the mapping from shape space to movements in the nematode C. elegans as it crawls on a planar agar surface. We character...
Authors: Markus Reiß
arXiv
The basic model for high-frequency data in finance is considered, where an efficient price process is observed under microstructure noise. It is shown that this nonparametric model is in Le Cam's se...