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pro vyhledávání: '"Kachhara, Sneha"'
The reasons behind the Great Dimming and subsequent rising in the brightness of Betelgeuse between October 2019 and March 2020 still continue to baffle astronomers. It has been shown by George et. al. (2020) that critical slowing down preceded the di
Externí odkaz:
http://arxiv.org/abs/2111.09218
In this topical review, we present a brief overview of the different methods and measures to detect the occurrence of critical transitions in complex systems. We start by introducing the mechanisms that trigger critical transitions, and how they rela
Externí odkaz:
http://arxiv.org/abs/2107.01210
Autor:
Kachhara, Sneha, Ambika, G.
Publikováno v:
Physical Review E 104, 064214 (2021)
We report the occurrence of a self-emerging frequency chimera state in spatially extended systems of coupled oscillators, where the coherence and incoherence are defined with respect to the emergent frequency of the oscillations. This is generated by
Externí odkaz:
http://arxiv.org/abs/2106.03025
Autor:
Kachhara, Sneha, Ambika, G.
We present an integrated approach to analyse the multi-lead ECG data using the frame work of multiplex recurrence networks (MRNs). We explore how their intralayer and interlayer topological features can capture the subtle variations in the recurrence
Externí odkaz:
http://arxiv.org/abs/2008.12049
Publikováno v:
A&A 640, L21 (2020)
Critical transitions occur in complex dynamical systems, when the system dynamics undergoes a regime shift. These can often occur with little change in the mean amplitude of system response prior to the actual time of transition. The recent dimming a
Externí odkaz:
http://arxiv.org/abs/2006.16086
Autor:
Kachhara, Sneha, Ambika, G.
Human heart is a complex system that can be studied using its electrical activity recorded as Electrocardiogram (ECG). Any variations or anomalies in the ECG can indicate abnormalities in the cardiac dynamics. In this work, we present a detailed anal
Externí odkaz:
http://arxiv.org/abs/1908.01286
Higher Order Spectral (HOS) analysis is often applied effectively to analyze many bio-medical signals to detect nonlinear and non-Gaussian processes. One of the most basic HOS methods is the bispectral estimation, which extracts the degree of quadrat
Externí odkaz:
http://arxiv.org/abs/1809.08451
Akademický článek
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Publikováno v:
The Sixteenth Marcel Grossmann Meeting.
The reasons behind the Great Dimming and subsequent rising in the brightness of Betelgeuse between October 2019 and March 2020 still continue to baffle astronomers. It has been shown by George et. al. (2020) that critical slowing down preceded the di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1272de4fdd121fa3546a1bd326f2a25d
https://doi.org/10.1142/9789811269776_0288
https://doi.org/10.1142/9789811269776_0288
