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Traveling chimeras and collective coordination in β-cell networks

Pancreatic β-cells play a central role in maintaining glucose homeostasis through the pulsatile secretion of insulin. This essential function relies not only on intracellular regulatory mechanisms but also on coordinated interactions among β-cells within the islets of Langerhans. Disruptions in this intercellular coordination are increasingly implicated in metabolic disorders such as type II diabetes. In this work, we employ a computational framework to investigate the collective dynamics of ...

Symbolic incentives can affect the frequency of blood and plasma donations: evidence from 12 years of donors' behavior

We investigate how donors respond to symbolic incentives, specifically medals, tied to donation intensity and duration. To this aim, we employ panel data encompassing the entire population of blood and plasma donors affiliated with the primary donor association (AVIS) in Tuscany, Italy, covering the period from 2008 to 2019. The structure of the award scheme adopted by AVIS enables us to examine the impact of two distinct characteristics of the symbolic incentives: the assignment as either pr...

Characterization of quasi-periodic and chaotic dynamics in a memristive MEMS: parameter-induced transitions and thermo-sensitive modulation

This work presents the mathematical modeling and numerical characterization of a Micro-Electro-Mechanical System (MEMS) integrating an HP memristor coupled to electrical and mechanical resonators. Based on the linear-drift HP memristor model, the nonlinear electromechanical dynamics are investigated through Lyapunov exponents, bifurcation diagrams, Poincaré sections, recurrence plots, phase portraits, and Fourier spectra. The numerical results demonstrate that the intrinsic memristor paramete...

Between rational reconstruction and explication: Carnap’s method of translation in the Syntax

This paper re-examines the standard view of Carnap’s methodological development, according to which the period surrounding the writing of the Logical Syntax of Language is regarded as a mere transitional period between rational reconstruction and explication. I argue that Carnap, in the Syntax, employs a distinct and coherent ‘method of translation’, a specific kind of transformative analysis that differs from both rational reconstruction and explication. To clarify the differences between th...

RO-DAD: a resource-optimized DDoS attack detection framework using multi-stage feature selection in cloud computing

Cloud computing has transformed the modern IT infrastructure with its scalable, cost-effective, and on-demand services. Distributed Denial-of-Service (DDoS) attacks, however, are growing in number and sophistication, and they can adversely affect service availability, negatively impact performance, cause financial losses, and damage reputation, particularly in the cloud environment. Conventional detection methods are not always adequate to deal with the dynamic and massive nature of these att...

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