Results 11 to 20 of about 33,755,974 (386)

Complex systems biology [PDF]

open access: yesJournal of The Royal Society Interface, 2017
Complex systems theory is concerned with identifying and characterizing common design elements that are observed across diverse natural, technological and social complex systems. Systems biology, a more holistic approach to study molecules and cells in biology, has advanced rapidly in the past two decades.
Avi Ma’ayan
openaire   +4 more sources

The physics of higher-order interactions in complex systems [PDF]

open access: yesNature Physics, 2021
Complex networks have become the main paradigm for modelling the dynamics of interacting systems. However, networks are intrinsically limited to describing pairwise interactions, whereas real-world systems are often characterized by higher-order ...
F. Battiston   +13 more
semanticscholar   +1 more source

A complex systems approach to aging biology

open access: yesNature Aging, 2022
Having made substantial progress understanding molecules, cells, genes and pathways, aging biology research is now moving toward integration of these parts, attempting to understand how their joint dynamics may contribute to aging.
A. Cohen   +11 more
semanticscholar   +1 more source

The why, how, and when of representations for complex systems [PDF]

open access: yesSIAM Review, 2020
Complex systems thinking is applied to a wide variety of domains, from neuroscience to computer science and economics. The wide variety of implementations has resulted in two key challenges: the progenation of many domain-specific strategies that are ...
Leo Torres   +3 more
semanticscholar   +1 more source

The growing amplification of social media: measuring temporal and social contagion dynamics for over 150 languages on Twitter for 2009–2020

open access: yesEPJ Data Science, 2021
Working from a dataset of 118 billion messages running from the start of 2009 to the end of 2019, we identify and explore the relative daily use of over 150 languages on Twitter.
Thayer Alshaabi   +6 more
doaj   +1 more source

Evasion of tipping in complex systems through spatial pattern formation

open access: yesScience, 2021
Description Resilience to tipping points in ecosystems Spatial pattern formation has been proposed as an early warning signal for dangerous tipping points and imminent critical transitions in complex systems, including ecosystems. Rietkerk et al.
M. Rietkerk   +5 more
semanticscholar   +1 more source

Attention Mechanisms and Their Applications to Complex Systems

open access: yesEntropy, 2021
Deep learning models and graphics processing units have completely transformed the field of machine learning. Recurrent neural networks and long short-term memories have been successfully used to model and predict complex systems.
Adrián Hernández, J. Amigó
semanticscholar   +1 more source

Ecological and Coevolutionary Dynamics in Modern Markets Yield Nonstationarity in Market Efficiencies

open access: yesComplexity, 2022
The U.S. stock market is one of the largest and most complex marketplaces in the global financial system. Over the past several decades, this market has evolved at multiple structural and temporal scales.
Colin M. Van Oort   +4 more
doaj   +1 more source

Kernel-based online learning for real-time voltage control in distribution networks

open access: yesIET Smart Grid, 2020
This paper presents a new data-driven voltage control approach for distribution networks based on kernel methods. Voltage control becomes more and more challenging due to the increased penetration of Distributed Generation (DG), bidirectional power flow ...
Lisette Cupelli   +4 more
doaj   +1 more source

Modeling Complex Systems: A Case Study of Compartmental Models in Epidemiology

open access: yesComplexity, 2022
Compartmental epidemic models have been widely used for predicting the course of epidemics, from estimating the basic reproduction number to guiding intervention policies.
Alexander F. Siegenfeld   +2 more
doaj   +1 more source

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