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#Sicence

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Public
Mes Plaisirs Magazine

Vos yeux sont un chef-d'œuvre génétique. Mais pourquoi sont-ils bleus, verts, marron ou même gris ? Plongeons ensemble dans ce mystère fascinant.

#quebec #france #mastodon #europe #canada #paris #yeux #oeil #sicence #génétique #couleur

mesplaisirs.com/la-magie-de-la

Mes Plaisirs Magazine - Ayez des passions et partagez les ! · La magie de la couleur des Yeux : un cocktail génétique unique ! - Mes Plaisirs MagazineLes yeux sont les miroirs de l’âme, dit-on. Mais ce qui se reflète surtout, c’est une énigme génétique fascinante. Pourquoi certains arborent-ils des iris couleur d’océan tandis que d’autres exhibent des marrons profonds ou des verts éclatants ? La couleur des yeux n’est pas seulement une affaire d’esthétique : c’est un véritable casse-tête scientifique qui
Public
David Lohner

Eben einen #Terminplaner (aka "Doodle") ausgefüllt.

Fun Fact: ab mehr als 4 Personen sinkt die Wahrscheinlichkeit nachgewiesenermaßen rapide, einen gemeinsamen Termin *für alle* zu finden.

Siehe:
link.springer.com/article/10.1

via @minkorrekt #mi315 minkorrekt.de/mi315-energiehol ab 01:04:43min

SpringerLinkScheduling meetings: are the odds in your favor? - The European Physical Journal BAbstract Polling all the participants to find a time when everyone is available is the ubiquitous method of scheduling meetings nowadays. We examine the probability of a poll with m participants and $$\ell $$ ℓ possible meeting times succeeding, where each participant rejects r of the $$\ell $$ ℓ options. For large $$\ell $$ ℓ and fixed $$r/\ell ,$$ r / ℓ , we can carry out a saddle-point expansion and obtain analytical results for the probability of success. Despite the thermodynamic limit of large $$\ell ,$$ ℓ , the ‘microcanonical’ version of the problem where each participant rejects exactly r possible meeting times, and the ‘canonical’ version where each participant has a probability $$p = r/\ell $$ p = r / ℓ of rejecting any meeting time, only agree with each other if $$m\rightarrow \infty .$$ m → ∞ . For $$m\rightarrow \infty ,$$ m → ∞ , $$\ell $$ ℓ has to be $$O(p^{-m})$$ O ( p - m ) for the poll to succeed, i.e., the number of meeting times that have to be polled increases exponentially with m. Equivalently, as a function of p, there is a discontinuous transition in the probability of success at $$p \sim 1/\ell ^{1/m}$$ p ∼ 1 / ℓ 1 / m . If the participants’ availability is approximated as being unchanging from one week to another, i.e., $$\ell $$ ℓ is limited, a realistic example discussed in the text of the paper shows that the probability of success drops sharply if the number of participants is greater than approximately 4. Graphical abstract
#Sicence
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