Arthur Charpentier
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freakonometrics.bsky.social
Arthur Charpentier
@freakonometrics.bsky.social
1.5K followers 1.4K following 400 posts

Dad of 3 & born-again mathematician. Statistician, economist, fellow actuary & data addict. Professor & researcher in Kyoto 京都. Previously in Montréal, Paris, Hong Kong, Leuven & Rennes. Full of 'satiable curtiosity https://mastodon.social/@freakonometrics .. more

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Economics 34%
Mathematics 20%
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freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 1d
"Et si les cyclistes avaient raison de ne pas s’arrêter aux stops ?" freakonometrics.hypotheses.org/84830

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 2d
Kyoto, Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 3d
Kyoto, Fall 2025 🍂

Reposted by Staffan I. Lindberg, Elizabeth Stokoe, Arthur Charpentier

chrischirp.bsky.social
Prof Christina Pagel @chrischirp.bsky.social · 8d
"Being Anti-Trump is probably illegal"

3 minutes on things that have happened in America over the weekend, concentrating on violating Democratic norms.

youtu.be/40OBi4acYYI
2 November: 'being Anti-Trump is probably illegal'
YouTube video by Professor Christina Pagel
youtu.be

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 8d
"In 1887, the French railways unilaterally decided to move every clock in every railway station 5 minutes behind Paris time. Meanwhile, the clocks outside the stations remained untouched. So why on earth (or at least, in France) would you do that?" www.youtube.com/watch?v=PELr... #soFrench
Why French Railway Stations Delayed Their Clocks (& What Happened When They Did)
YouTube video by The Tim Traveller
www.youtube.com

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 11d
Kyūshū Island, Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 11d
Kyūshū Island, Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 12d
"Les maths à la rescousse de l’intelligence artificielle" www.lemonde.fr/sciences/art... "Si les potentialités des IA en mathématiques ne cessent de croître, celles-ci continuent d’avoir besoin de cette discipline pour améliorer leurs performances"
Les maths à la rescousse de l’intelligence artificielle
Si les potentialités des IA en mathématiques ne cessent de croître, celles-ci continuent d’avoir besoin de cette discipline pour améliorer leurs performances.
www.lemonde.fr

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 12d
Kyūshū Island, Fall 2025 (Sasebo)

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 12d
Kyūshū Island, Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 13d
"In the 1940s, when the French mathematician Jacques Hadamard asked good mathematicians how they came up with solutions to hard problems, they nearly universally answered that they didn’t think in words; neither did they think in images or equations" www.henrikkarlsson.xyz/p/wordless-t...
When is better to think without words?
Non-verbal, blurry thinking is faster and can search in a broader way, but it is more error-prone than verbal thought.
www.henrikkarlsson.xyz

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 15d
Kyūshū Island, Fall 2025

Reposted by Anna O. Law, Richard S.J. Tol, Will Jennings , and 11 more

jakemgrumbach.bsky.social
Jake Grumbach @jakemgrumbach.bsky.social · 17d
A very offline cousin sent this to fam group chat. This story is breaking containment.
Death Star

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 18d
Himeji (姫路市), Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 18d
Himeji (姫路市), Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 18d
Himeji (姫路市), Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 20d
In less than two weeks, the graduate course “Global Mathematics Lecture IV” at Kyoto University will begin, consisting of five lectures. The course will be largely based on this book though lecture notes will also be distributed link.springer.com/book/10.1007...

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 20d
"Universities have existed for more than a thousand years — and for almost all of that time, they weren’t centers of research. What changed in 19th century Germany?" asteriskmag.substack.com/p/the-origin...
The Origin of the Research University
Universities have existed for more than a thousand years — and for almost all of that time, they weren’t centers of research. What changed in 19th century Germany?
asteriskmag.substack.com

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 20d
"Sexual selection drives sex difference in adult life expectancy across mammals and birds" www.science.org/doi/10.1126/...

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 21d
Kaamran Hafeez, kaamranhafeez.com/product/i-do...
“I don’t get it. We had all those meetings”

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 21d
"Bird migration is changing. What does this reveal about our planet?" www.theguardian.com/environment/...
Bird migration is changing. What does this reveal about our planet? – visualised
Bird migrations rank as one of nature’s greatest spectacles. Thanks to GPS tracking, scientists are uncovering extraordinary insights into ancient and mysterious journeys – and new threats that are re...
www.theguardian.com

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 24d
Kyoto, Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 24d
Kyoto, Fall 2025

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 26d
la suite freakonometrics.hypotheses.org/84230 avec des simulations

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 26d
Joe Dator: The Centaur Scale attemptedbloggery.blogspot.com/2025/10/joe-...
Joe Dator: The Centaur Scale
Understanding the world one cartoon at a time. And other high culture. New Yorker artists are royalty here.
attemptedbloggery.blogspot.com

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 26d
c'est une analyse un peu sommaire... taper les maths dans un billet de blog c'est toujours un peu pénible, mais si j'ai le courage, je le ferais... ça tombe assez bien...

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 26d
"La parité, comme condition d'équilibre stable non dégénéré" freakonometrics.hypotheses.org/84076
La parité, comme condition d’équilibre stable non dégénéré
Alors que le Sénat, en France, publie un rapport “femmes et sciences“, s’inquiétant de la sous-représentées des femmes dans les domaines et les carrières scientifiques (à tel point que pour l’illustra...
freakonometrics.hypotheses.org

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 27d
"A Classic Graphic Reveals Nature’s Most Efficient Traveler" www.scientificamerican.com/article/a-hu... (spoiler: human on bicycle)
The Most Efficient Traveler Isn’t a Bird or a Fish—It’s You on a Bike
A famous graphic, now updated, compares locomotion in the animal kingdom
www.scientificamerican.com

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 27d
"Does the news reflect what we die from?" ourworldindata.org/does-the-new...

freakonometrics.bsky.social
Arthur Charpentier @freakonometrics.bsky.social · 28d
"How far did the horizons of our first ancestors extend? In the furthest past, even the nearest ridge of hills might then have disclosed a sight no human eyes had ever seen, and every river crossed was a ford into the unknown" www.palladiummag.com/2025/10/10/m...
Mariners at the Dawn of History
www.palladiummag.com