Discover and read the best of Twitter Threads about #diffusion

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Partage de simulations de modèles de diffusion qui illustrent bien problème & solution du #COVIDー19 .

1/5 : #diffusion libre - profil #exponentiel - avec #population en circulation libre & contact aléatoire non contrôlé, comme en #France avant jeudi 12/3.

Src @washingtonpost
2/5 : modèle de diffusion avec création de zone de #confinement et tentative de #quarantaine forcée, comme en #Chine (Hubei).
En pratique, impossible d'isoler (à part sur un bateau) la population #COVIDー19 de la #population saine. La zone finit par devenir poreuse.
Src Wshgtpost
3/5 (#solution) : modèle de diffusion avec #SocialDistancing ou #DistanciationSociale pour 3/4 de la population et circulation libre d'un quart de la population.
Deux simulations dans la vidéo suivante qui montrent des charges de contamination plutôt contrôlées.
Read 7 tweets
SFI President David Krakauer introduces our annual board of trustees symposium on New #Complexity #Economics - follow this thread for live coverage of talks by @EricBeinhocker @AKStanger @ole_b_peters @JacksonmMatt @cmoncap & W. Brian Arthur today...
"I think we have to be aware that we're not just discussing financial systems. We are discussing the future of the stability of the planet."

- David Krakauer
on #Complexity #Economics
"What is the #economy? I would argue that it doesn't exist in the physical world. It is a product of our #imagination. It is made out of #ideas. It does have an effect on the physical world. But the imagined order that we have is not succeeding."

- @EricBeinhocker
Read 38 tweets

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