Ordinal methods: Concepts, applications, new developments, and challenges—In memory of Karsten Keller (1961–2022)

JM Amigó, OA Rosso - Chaos: An Interdisciplinary Journal of Nonlinear …, 2023 - pubs.aip.org
In 2013, Karsten Keller, Jürgen Kurths, and one of us (JMA) guest edited an issue of the
European Physical Journal Special Topics, entitled Recent Progress in Symbolic Dynamics …

Distinguishing noise from chaos: objective versus subjective criteria using horizontal visibility graph

MG Ravetti, LC Carpi, BA Gonçalves, AC Frery… - PloS one, 2014 - journals.plos.org
A recently proposed methodology called the Horizontal Visibility Graph (HVG)[Luque et al.,
Phys. Rev. E., 80, 046103 (2009)] that constitutes a geometrical simplification of the well …

[HTML][HTML] Asymptotic distribution of entropies and Fisher information measure of ordinal patterns with applications

A Rey, AC Frery, J Gambini, M Lucini - Chaos, Solitons & Fractals, 2024 - Elsevier
We present the asymptotic distribution of the Rényi and Tsallis/Havrda–Charvát entropies
and the Fisher information measure of ordinal patterns embedding their serial correlation …

Chaotic dynamics of the Hénon map and neuronal input–output: A comparison with neurophysiological data

N Guisande, MP di Nunzio, N Martinez… - … Journal of Nonlinear …, 2023 - pubs.aip.org
In this study, the Hénon map was analyzed using quantifiers from information theory in order
to compare its dynamics to experimental data from brain regions known to exhibit chaotic …

A detailed characterization of complex networks using Information Theory

CGS Freitas, ALL Aquino, HS Ramos, AC Frery… - Scientific reports, 2019 - nature.com
Understanding the structure and the dynamics of networks is of paramount importance for
many scientific fields that rely on network science. Complex network theory provides a …

Classification and verification of handwritten signatures with time causal information theory quantifiers

OA Rosso, R Ospina, AC Frery - PloS one, 2016 - journals.plos.org
We present a new approach for handwritten signature classification and verification based
on descriptors stemming from time causal information theory. The proposal uses the …

An information theory perspective on the informational efficiency of gold price

AF Bariviera, A Font-Ferrer… - The North American …, 2019 - Elsevier
This paper studies the informational efficiency of the gold market, and its variability due to
economic distress situations. The period under study goes from 1968 until 2017. We use …

Time series characterization via horizontal visibility graph and Information Theory

BA Gonçalves, L Carpi, OA Rosso… - Physica A: Statistical …, 2016 - Elsevier
Complex networks theory have gained wider applicability since methods for transformation
of time series to networks were proposed and successfully tested. In the last few years …

Iot botnet detection based on anomalies of multiscale time series dynamics

JB Borges, JPS Medeiros, LPA Barbosa… - … on Knowledge and …, 2022 - ieeexplore.ieee.org
In this work, we propose a solution for detecting botnet attacks on the Internet of Things (IoT)
by identifying anomalies in the temporal dynamics of their devices. Given their limited …

A classification strategy for Internet of Things data based on the class separability analysis of time series dynamics

JB Borges, HS Ramos, AAF Loureiro - ACM Transactions on Internet of …, 2022 - dl.acm.org
This article proposes TSCLAS, a time series classification strategy for the Internet of Things
(IoT) data, based on the class separability analysis of their temporal dynamics. Given the …