Arthur Charpentier ⏚ 🇨🇦 🇯🇵

@freakonometrics
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Dad of three & born-again #mathematician. #Statistician, #economist, fellow #actuary & #data addict. Professor & researcher in Kyoto (京都), Japan. Previously in Paris, Hong Kong (香港), Leuven, Rennes and Montréal. Full of 'satiable curtiosity.
#predictivemodeling #algorithms #ml #ai #fairness #discrimination #insurance
webpagehttps://freakonometrics.github.io/
bloghttps://freakonometrics.hypotheses.org/
orcidhttps://orcid.org/0000-0003-3654-6286
"Kyoto University professor emeritus Heisuke Hironaka (広中 平祐), died on Wednesday. He was 94." https://www.japantimes.co.jp/news/2026/03/20/japan/heisuke-hironaka-obituary/
Fields-winning mathematician Heisuke Hironaka dies at 94

Specializing in algebraic geometry, the Kyoto University professor emeritus became in 1970 the second Japanese mathematician to win the Fields Medal.

The Japan Times
"Some places that did not have high-profile ICE operations this year, such as Florida and San Antonio, have still seen high and steadily increasing numbers of arrests. In other areas like Los Angeles and Chicago that were targeted by ICE with aggressive enforcement operations last year, the number of arrests has fallen steeply in recent months" https://www.nytimes.com/2026/03/20/us/ice-arrests-immigration-enforcement.html
from the internet
"Privacy and civil liberties advocates say the upcoming FISA reauthorization debate is the best chance to close the so-called "data broker loophole" that federal agencies are using to purchase the kind of bulk data that Congress has already banned them from collecting themselves." https://www.npr.org/2026/03/25/nx-s1-5752369/ice-surveillance-data-brokers-congress-anthropic 😳
"Sengthay said that he and other Stanford students had envisioned college as a “playground for free speech and democracy” before the greater responsibilities and pressures of adult life. They’ve since discovered that the rules of the game have changed." https://www.theatlantic.com/ideas/2026/03/campus-protests-trump-iran/686518/
Where Are All the Campus Protests?

Two years ago, students occupied buildings and colonized the quad. Now the same places are strangely silent.

The Atlantic
"The scientific publisher Nature makes a similar catalog on a slightly more granular level, looking at specific fields of science. According to Nature’s most recent rankings, 18 of the top 25 most productive research institutes in the physical sciences, 19 of the top 20 in geosciences, and a full 25 out of 25 in chemistry are Chinese. The kicker is, none of that was true even just a decade ago" https://scholars-stage.org/china-and-the-future-of-science/
China and the Future of Science

THE CHINESE socio-political system differs from our own. From the perspective of the topic of this conference, here is the most salient distinction: the Chinese system has a telos. The Chinese part…

The Scholar's Stage
"An epidemic of mental illness and/or addiction plays out in the U.S. in public, with our streets, buses, parking lots, McDonald’s, parks, and Starbucks as ad hoc institutions for the broken, addicted, and tortured." https://walkingtheworld.substack.com/p/america-and-public-disorder
America and Public Disorder

Our biggest social flaw should be addressed

Chris Arnade Walks the World
Kyoto, Spring 2026
Kyoto, Spring 2026