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Gilles Louppe

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H-index: 32
Computer science 62%
Physics 22%
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Reposted by: Gilles Louppe

gandry.bsky.social
🚀 After more than a year of work — and many great discussions with curious minds & domain experts — we’re excited to announce the public release of 𝐀𝐩𝐩𝐚, our latent diffusion model for global data assimilation!

Check the repo and the complete wiki!
github.com/montefiore-s...
GitHub - montefiore-sail/appa: Code for the publication "Appa: Bending Weather Dynamics with Latent Diffusion Models for Global Data Assimilation".
Code for the publication "Appa: Bending Weather Dynamics with Latent Diffusion Models for Global Data Assimilation". - montefiore-sail/appa
github.com
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Reposted by: Gilles Louppe

dangaristo.bsky.social
Had never read Jane Goodall's original 1963 article in Nat Geo on the wild chimpanzees in Tanzania until now. It's a wonderful blend of science and journalism, and well worth your time.

www.nationalgeographic.com/pdf/jane-goo...
David Greybeard, a wild chimpanzee, gets a handout of bananas from author Goodall, who studies the apes under a National Geographic Society grant. This scene near her camp represents a triumph for Miss Goodall; at first the animals fled if she came within 500 yards. Knapsack holds camera and notebook. She carries a whistle in her pocket to summon searchers in case of accident in the rugged Tanganyika hills.
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Reposted by: Gilles Louppe

gaelvaroquaux.bsky.social
Yeah, I think that "AI is the new petrol" is about right...
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Reposted by: Gilles Louppe

mraginsky.bsky.social
Rudolf Kalman put it nicely (and provocatively): link.springer.com/chapter/10.1...
Quote from R. Kalman, "Identification from real data": For an objective outsider, much of the historical development of statistics is a long series of attempts to dodge the inevitable implications of uncertainty. Whenever the conventional statistical treatment of a problem gives a unique (certain) answer, as in maximum likelihood estimation, in least squares, ... , common sense should tell us that such a miracle is possible only if additional assumptions (deus ex machina) are imposed on the data which somehow succeed in neutralizing the intrinsic uncertainty. We shall use the technical term "prejudice" for such assumptions. In other words, statistical methodology has been handicapped because statisticians have become mesmerized by the deep-seated hope of giving certain answers to problems where the uncertainty is intrinsic. This is politics, not science. For example, least squares is very popular because it always gives a unique answer. But this is exactly where its fatal weakness lies; when we pose Nature a question, as in identification problems, we must not phrase that question in such terms that the answer is predetermined regardless of the nature of the data.
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by Gilles Louppe

glouppe.bsky.social
How do you type all these long long hyphens? — I keep seeing them everywhere. I learned the UTF-8 code by now but there must be something easier 🤔
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Reposted by: Gilles Louppe

evertnasedkin.bsky.social
🔭 It's paper day! Today I'm sharing the latest in a series of papers looking at the weather on other worlds, in this case bringing you the weather report from a nearby T-dwarf, SIMP-0136. 🪐

🧵 to follow...
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Reposted by: Gilles Louppe

sakanaai.bsky.social
We’re excited to introduce ShinkaEvolve: An open-source framework that evolves programs for scientific discovery with unprecedented sample-efficiency. It leverages LLMs to find state-of-the-art solutions, orders of magnitude faster!

Blog: sakana.ai/shinka-evolve/
Paper: arxiv.org/abs/2509.19349
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Reposted by: Gilles Louppe

eugenevinitsky.bsky.social
For folks considering grad school in ML, my advice is to explore programs that mix ML with a domain interest. ML programs are wildly oversubscribed while a lot of the fun right now is in figuring out what you can do with it
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Reposted by: Gilles Louppe, Mark D. White, Lesley A. Hall , and 4 more

elisecutts.bsky.social
Cecilia Payne-Gaposchkin ✨ figured out what stars are made of ✨ when she was just 25. 🔭🧪

Her PhD thesis basically established the Harvard astro department — at a time when Harvard didn't officially allow woman students.

I wrote this little profile to mark the 100th anniversary of her thesis:
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Reposted by: Gilles Louppe

msnbc.com
"It's the greatest con job ever perpetrated on the world.”

In his remarks at the United Nations General Assembly, President Trump addressed climate change, saying, "If you don't get away from this green scam, your country is going to fail."
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by Peter A. Stott — Reposted by: Gilles Louppe, Peter Thorne, Jamie Hannaford , and 3 more

stottpeter.bsky.social
The people I work with are not stupid people and our climate predictions of 30 years ago of global warming have proved to be accurate. Just saying. www.bbc.co.uk/news/live/cp...
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Reposted by: Gilles Louppe

dimadamen.bsky.social
As an SAC for @neuripsconf.bsky.social, I don't agree with PCs approach to reject papers based on ranking.
I ranked my accepted papers as requested and explicitly stated that I support the acceptance of all papers.
I was not given an explanation of why papers at the end of the rank were rejected.
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Reposted by: Gilles Louppe

gdalle.bsky.social
Is this the year we finally break up @neuripsconf.bsky.social?
Distracted boyfriend meme, featuring NeurIPS as the boyfriend. Angry girlfriend: “allow authors to present in Copenhagen” Girl passing by: “drop 400 accepted papers due to San Diego venue constraints”
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by Barack Obama — Reposted by: Gilles Louppe, Mark A. Lemley, Stefan Reis , and 42 more

barackobama.bsky.social
After years of complaining about cancel culture, the current administration has taken it to a new and dangerous level by routinely threatening regulatory action against media companies unless they muzzle or fire reporters and commentators it doesn’t like.
Let’s be clear about what happened to Jimmy Kimmel
Trump’s most brazen attack on free speech yet.
www.yahoo.com
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Reposted by: Gilles Louppe

annalenakofler.bsky.social
To celebrate the 10 year anniversary of the first gravitational wave detection, I made a tutorial for high school students that explains how to use python to visualize the original gravitational wave data of GW150914. (Tested and approved by a very motivated German 10th grade student 😄)
#GW10Years
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Reposted by: Gilles Louppe

manchester.ac.uk
In 1950, Alan Turing - while at @manchester.ac.uk - proposed a simple but profound experiment: can a machine convincingly imitate human thought?

We now call it the Turing Test. 🧠💻
a man wearing suspenders and a watch looks down in front of a machine
Alt: Alarn Turing looks down in front of a machine
media.tenor.com
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Reposted by: Gilles Louppe

thuereygroup.bsky.social
I'm very excited to introduce P3D: our PDE-Transformer architecture in 3 dimensions by . Demonstrated for unprecedented 512^3 resolutions! That means the Transformer produces over 400 million degrees of freedom in one go 😀 a regime that was previously out of reach: arxiv.org/abs/2509.10186
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Reposted by: Gilles Louppe

bravo-abad.bsky.social
Most industrial reactions happen on catalyst surfaces, but predicting which surfaces actually form is costly. Jun Yin and coauthors present SurFF, a foundation model that predicts surface exposure across intermetallic crystals with DFT-level accuracy, 100k× faster. www.nature.com/articles/s43...
SurFF: a foundation model for surface exposure and morphology across intermetallic crystals - Nature Computational Science
A foundation machine learning model, SurFF, enables DFT-accurate predictions of surface energies and morphologies in intermetallic catalysts, achieving over 105-fold acceleration for high-throughput m...
www.nature.com
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Reposted by: Gilles Louppe

wikipedia.org
We promise this pandemic was only virtual.

20 years ago, an unexpected event in the online game "World of Warcraft" caught the attention of players and researchers. A new dungeon introduced a boss whose special attack temporarily drained a player’s health and could spread to others nearby. 🧵⬇️ (1/3)
Two adults in elaborate fantasy cosplay, one as a pink-skinned elf and the other as a green-skinned orc, at a convention. Text says: What happens during a virtual pandemic? 20 years ago, the Corrupted Blood Incident took place in the online game World of Warcraft.
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Reposted by: Gilles Louppe

lebellig.bsky.social
Locality in Image Diffusion Models Emerges from Data Statistics, by Artem Lukoianov et al. (arxiv.org/abs/2509.09672), retweet if you want your model to generate samples in the "sampling voids".
Locality in Image Diffusion Models Emerges from Data Statistics
Among generative models, diffusion models are uniquely intriguing due to the existence of a closed-form optimal minimizer of their training objective, often referred to as the optimal denoiser. Howeve...
arxiv.org
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Reposted by: Gilles Louppe

dianarycai.bsky.social
The application for a research fellowship at the Flatiron Institute in the Center for Computational Math is now live! This includes positions for ML and stats.

The deadline is Dec 1.

apply.interfolio.com/173401

ML@CCM group: users.flatironinstitute.org/~lsaul/ml_cc...
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
apply.interfolio.com
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Reposted by: Gilles Louppe, Elisa Freschi

dingdingpeng.the100.ci
I skimmed a paper of an author I dislike and it's amazing how a certain style of writing --overly complicated explanations of trivial claims, new jargon that hides how vacuous it all is, an overemphasize on mathematization regardless of whether it actually maps onto the claims made-- just wrecks me.
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by Gilles Louppe

glouppe.bsky.social
Ça faisait un moment qu'on avait plus vu ces jolis diagrammes par ici :-)
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Reposted by: Gilles Louppe

drkeithsmith.bsky.social
In @science.org, Buchli et al. have applied sophisticated machine learning techniques to the control electronics of @ligo.org. This improves the sensitivity of the detector at low frequencies - expanding its cosmological reach, particularly for low-mass mergers. ⚛️☄️
www.science.org/doi/10.1126/...
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by Gilles Louppe

glouppe.bsky.social
Wow congratulations!!
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Reposted by: Gilles Louppe

francois-rozet.bsky.social
When we started this project, we expected accuracy to degrade as the compression rate increased. To our surprise, we found that accuracy remained constant or even improved!
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Reposted by: Gilles Louppe

francois-rozet.bsky.social
Does a smaller latent space lead to worse generation in latent diffusion models? Not necessarily! We show that LDMs are extremely robust to a wide range of compression rates (10-1000x) in the context of physics emulation.

We got lost in latent space. Join us 👇
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by Gilles Louppe

glouppe.bsky.social
Flying ✈️ to Stockholm for 2 days of AI for Science at the Royal Swedish Academy of Sciences scienceacademyswe.bsky.social Anyone around?
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by Gilles Louppe

glouppe.bsky.social
Very proud to see the #ML4PS2025 workshop thrive! ... but where will we put so many posters? 👀 (subtweet)
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Reposted by: Gilles Louppe

trappmartin.bsky.social
Thanks for raising this issue. As someone on the authors' and reviewers' side, this feels like a violation of the reviewing process. One might wonder, “Why do we put so much time and effort into the peer-review process if decisions are ultimately made arbitrarily?”.
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