Results 61 to 70 of about 58,093 (183)

Hybrid Reaction–Diffusion Epidemic Models: Dynamics and Emergence of Oscillations

open access: yesMathematical Methods in the Applied Sciences, Volume 49, Issue 5, Page 4074-4095, 30 March 2026.
ABSTRACT In this paper, we construct a hybrid epidemic mathematical model based on a reaction–diffusion system of the SIR (susceptible‐infected‐recovered) type. This model integrates the impact of random factors on the transmission rate of infectious diseases, represented by a probabilistic process acting at discrete time steps.
Asmae Tajani   +2 more
wiley   +1 more source

La question pragmatique dans le contexte des mémoires numériques [PDF]

open access: yes, 2007
Publication acceptée par le comité scientifique du colloque international H2PTM'07 mais pas de conférence faite sur place.International audienceABSTRACT. We question the future of writings confronted to the actual changes in documentary times and spaces,
Juanals, Brigitte, Noyer, Jean-Max
core   +2 more sources

Optimal dividends for a NatCat insurer in the presence of a climate tipping point

open access: yesCanadian Journal of Statistics, Volume 54, Issue 1, March 2026.
Abstract We study optimal dividend strategies for an insurance company facing natural catastrophe claims, anticipating the arrival of a climate tipping point after which the claim intensity and/or the claim size distribution of the underlying risks deteriorates irreversibly.
Hansjörg Albrecher   +2 more
wiley   +1 more source

L’analyse de texte assistée par ordinateur : introduction à l’un des champs fondamentaux de la sémiotique computationnelle

open access: yesCygne Noir, 2019
La sémiotique computationnelle étudie l’interaction entre les processus d’émergence du sens et les systèmes formels, computables et numériques. En effet, l’une de ses hypothèses est la possibilité de décrire la sémiose à travers des métalangages formels ...
Davide Pulizzotto
doaj   +3 more sources

Bret/BRAT

open access: yes
Critical Quarterly, EarlyView.
Nicholas Smart
wiley   +1 more source

Computational Microscopy of Lipid Confined Systems: Challenges and Opportunities

open access: yesSmall Structures, Volume 7, Issue 3, March 2026.
This article highlights modular building‐block approaches for constructing confined lipid‐based systems, alongside emerging methods for dynamic 3D data extraction, analysis, and visualization. By surveying current strategies and tools, it outlines how researchers can better harness molecular dynamics simulations, high‐performance computing, and ...
Petra Čechová   +7 more
wiley   +1 more source

Anomalous summertime CO2 sink in the subpolar Southern Ocean promoted by early 2021 sea ice retreat [PDF]

open access: yesBiogeosciences
The physical and biogeochemical processes governing the air–sea CO2 flux in the Southern Ocean are still widely debated. The Southern Ocean Carbon and Heat Impact on Climate cruise in summer 2022 aimed at studying these processes in the Weddell Sea and ...
K. Naëck   +10 more
doaj   +1 more source

Pratiques de lecture et d\u27achat de livres numériques [PDF]

open access: yes
Le MOTif s’est associé au médialab de Sciences Po pour réaliser une analyse comparative des fonctionnalités de 20 plates-formes de vente d’ebooks et examiner la population actuelle des usagers de livres ...
Boullier, Dominique, Crépel, Maxime
core   +1 more source

Utilisation des outils numériques d'aide à la décision pour la gestion de l'eau [PDF]

open access: yes, 1998
Le succès d'une gestion des écosystèmes naturels requiert une connaissance approfondie des différents processus qui interviennent et de leurs échelles de temps et d'espace particulières.
Dupont, J.   +4 more
core   +1 more source

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