Results 21 to 30 of about 451,542 (281)

Measuring Dynamical Uncertainty With Revealed Dynamics Markov Models

open access: yesFrontiers in Applied Mathematics and Statistics, 2019
Concepts and measures of time series uncertainty and complexity have been applied across domains for behavior classification, risk assessments, and event detection/prediction.
Aaron Bramson   +5 more
doaj   +1 more source

On Structured Random Matrices Defined by Matrix Substitutions

open access: yesMathematics, 2023
The structure of the random matrices introduced in this work is given by deterministic matrices—the skeletons of the random matrices—built with an algorithm of matrix substitutions with entries in a finite field of integers modulo some prime number, akin
Manuel L. Esquível, Nadezhda P. Krasii
doaj   +1 more source

Musical Collaboration in Rhythmic Improvisation

open access: yesEntropy, 2020
Despite our intimate relationship with music in every-day life, we know little about how people create music. A particularly elusive area of study entails the spontaneous collaborative musical creation in the absence of rehearsals or scripts. Toward this
Shinnosuke Nakayama   +2 more
doaj   +1 more source

Aberrant Whole-Brain Transitions and Dynamics of Spontaneous Network Microstates in Mild Traumatic Brain Injury

open access: yesFrontiers in Computational Neuroscience, 2020
Dynamic Functional Connectivity (DFC) analysis is a promising approach for the characterization of brain electrophysiological activity. In this study, we investigated abnormal alterations due to mild Traumatic Brain Injury (mTBI) using DFC of the source ...
Marios Antonakakis   +10 more
doaj   +1 more source

The Symbolic Dynamics Of Multidimensional Tiling Systems [PDF]

open access: yes, 2003
We prove a multidimensional version of the theorem that every shift of finite type has a power that can be realized as the same power of a tiling system.
Coven, E. M.   +3 more
core   +2 more sources

Symbolic dynamics

open access: yes, 2021
Comment: This text is part of a "Handbook on Automata" edited by Jean-Eric Pin, to be published by European Mathematical ...
Béal, Marie-Pierre   +3 more
openaire   +3 more sources

On a Dynamical Approach to Some Prime Number Sequences

open access: yesEntropy, 2018
We show how the cross-disciplinary transfer of techniques from dynamical systems theory to number theory can be a fruitful avenue for research. We illustrate this idea by exploring from a nonlinear and symbolic dynamics viewpoint certain patterns ...
Lucas Lacasa   +3 more
doaj   +1 more source

Can HRV Predict Prolonged Hospitalization and Favorable or Unfavorable Short-Term Outcome in Patients with Acute Ischemic Stroke?

open access: yesLife, 2023
The aim of this study was to assess whether the heart rate variability (HRV) could predict a favorable or unfavorable stroke outcome. The endpoint was based on the National Institutes of Health Stroke Scale (NIHSS).
Joanna Aftyka   +4 more
doaj   +1 more source

Path sets in one-sided symbolic dynamics [PDF]

open access: yes, 2013
Path sets are spaces of one-sided infinite symbol sequences associated to pointed graphs (G_v_0), which are edge-labeled directed graphs G with a distinguished vertex v_0. Such sets arise naturally as address labels in geometric fractal constructions and
Abram, William, Lagarias, Jeffrey C.
core   +1 more source

Kolmogorov Complexity of Coronary Sinus Atrial Electrograms Before Ablation Predicts Termination of Atrial Fibrillation After Pulmonary Vein Isolation

open access: yesEntropy, 2019
Atrial fibrillation (AF) is related to a very complex local electrical activity reflected in the rich morphology of intracardiac electrograms. The link between electrogram complexity and efficacy of the catheter ablation is unclear.
Katarzyna Stępień   +5 more
doaj   +1 more source

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