😌
03.11.2025 15:09 — 👍 1 🔁 0 💬 0 📌 0@lukenen.bsky.social
Since 1988. Mathematician living at the intersection of Quantum Mechanics, Economics and Optimal Transport. Working at U. Paris-Saclay https://lucanenna.github.io/
😌
03.11.2025 15:09 — 👍 1 🔁 0 💬 0 📌 0Tres sympa lire l’évaluation du jury IUF (surtout quand on est lauréat, j’avoue) et première fois dans ma vie que le seule point faible est “a bit too trendy for my taste”…si seulement j’étais si trendy que ça 🤣
15.07.2025 11:45 — 👍 1 🔁 0 💬 0 📌 0Onze personnalités liées à l’Université Paris-Saclay nommées à l’Institut universitaire de France (IUF) !
Une reconnaissance prestigieuse pour leur engagement et la qualité de leurs travaux de recherche.
🔗 tinyurl.com/yey44wx2
IUF 🍾👍
05.06.2025 08:24 — 👍 3 🔁 0 💬 0 📌 0Le dossier est trop jeune
Le dossier est trop théorique
Le dossier est trop numérique
Le dossier est trop “physique quantique”
Les dossier est trop “math économique”
Bon on peut se mettre d’accord ou pas? 🤣
C’était une campagne de (pas) recrutement prof assez traumatisante 😅 il me faudra une année pour me reprendre 🤣
23.05.2025 07:52 — 👍 0 🔁 0 💬 0 📌 0Dual cone and polar cone are sets in the dual of a vector space. They generalize the notion of orthogonal subspace.
04.03.2025 06:00 — 👍 15 🔁 2 💬 0 📌 0Voronoi diagram partitions the space in a proximity graph (cells) according to some sites. Each cell is the portion of the space where every points are closer to a given site than any other sites. cs.tau.ac.il/~michas/ak-v...
03.03.2025 06:00 — 👍 10 🔁 1 💬 0 📌 0Se la peter un petit peu 🤏🤣
03.03.2025 10:24 — 👍 1 🔁 0 💬 0 📌 0Ca fait un peu peur…😔
28.02.2025 08:52 — 👍 1 🔁 0 💬 0 📌 0Bon y’a pas beaucoup des postes PR mais au moins y en a deux ou dans le profil y a “transport optimal”…je pense que c’est quand même un record😅
27.02.2025 08:57 — 👍 1 🔁 0 💬 0 📌 0The Hausdorff distance quantifies how far two sets are from each other by measuring the largest minimal distance needed to cover one with the other. It captures worst-case deviation: if one set has points far from the other, the distance is large.
25.02.2025 06:00 — 👍 27 🔁 7 💬 1 📌 0Retailleau grillé par un magistrat en direct sur Inter qui lui rappelle que LR a voté l'article qui a empêché l'exécution de l'OQTF visant l’influenceur algérien "Doualem". "Ca m'étonne", balaye le ministre. Salamé laisse passer.
12.02.2025 11:45 — 👍 664 🔁 227 💬 44 📌 18I didn’t think Trump’s second act would be that bad. Oh, how wrong I was | Arwa Mahdawi
05.02.2025 11:15 — 👍 435 🔁 80 💬 110 📌 28AHAHAHAHAHAHAHAHAHAHAHAHAHAHAH kind of “gnegnegnegne they cheated gnegnegngne”
29.01.2025 21:06 — 👍 1 🔁 0 💬 0 📌 0I’ve just done my #eXit! the X exodus is massive. Don't lose any of your followers. Thanks to #HelloQuitX I've registered 592 new passengers for a journey to #BlueSky & #Mastodon. Join us on app.helloquitx.com and automatically find your communities on #January20!
23.01.2025 18:08 — 👍 0 🔁 0 💬 0 📌 0Y a aussi la mise en situation professionnelle…suis déjà au bout de ma vie avant commencer cette campagne PU😭😂
22.01.2025 20:40 — 👍 0 🔁 0 💬 0 📌 0The Mathematics of Artificial Intelligence: In this introductory and highly subjective survey, aimed at a general mathematical audience, I showcase some key theoretical concepts underlying recent advancements in machine learning. arxiv.org/abs/2501.10465
22.01.2025 09:11 — 👍 140 🔁 40 💬 2 📌 1It’s preprint day! 😌
Large deviations for sticky-reflecting Brownian motion with boundary diffusion - Archive ouverte HAL hal.science/hal-04895784
Since on Monday I will have a paper in probability on Arxiv, can I officially apply also for full professorship in probability?🤣🤣🤣🤣
18.01.2025 20:26 — 👍 0 🔁 0 💬 0 📌 0Soft(arg)max function transforms logits into probability vector. One shows that softmax (w/ temperature) converges pointwise to the argmax, selecting the most likely outcome. Essential in in multinomial logistic regression and for attention mechanisms
17.01.2025 06:00 — 👍 10 🔁 1 💬 2 📌 0Slides for a general introduction to the use of Optimal Transport methods in learning, with an emphasis on diffusion models, flow matching, training 2 layers neural networks and deep transformers. speakerdeck.com/gpeyre/optim...
15.01.2025 19:08 — 👍 126 🔁 26 💬 4 📌 1J’ai terminé mon service d’enseignement mais pas de pause car il faut rédiger les dossiers prof…en fait suis un hamster enseignements->dossiers->enseignements->… 🐹
10.01.2025 09:54 — 👍 0 🔁 0 💬 0 📌 0Join the PIMS Kantorovich Initiative at the CRM-PIMS-AARMS Special Session on Optimal Transport on Jan 10 & 11.
This session features talks by scientific leaders on optimal transport and its applications.
📍 Seattle Convention Center
🔗 Learn more and register: tinyurl.com/tkshh2nj
#JMM2025
Tropical geometry studies algebraic varieties through the "tropical semiring" where addition is min (or max) and multiplication is the regular addition. It transforms polynomial eqs into piecewise linear structures and is linked to dynamic programming. https://buff.ly/4gBWaZ4
09.01.2025 06:00 — 👍 15 🔁 2 💬 1 📌 0Brownian motion is the fundamental martingale that arises in almost all areas of mathematics with a stochastic aspect, used in biology, passing by statistical mechanics and diffusion model. https://www.tandfonline.com/doi/abs/10.1080/14786442808674769
08.01.2025 06:00 — 👍 12 🔁 3 💬 0 📌 0Enjoyed giving this last lecture for this academic year in Orsay lucanenna.github.io/teaching/anu...
08.01.2025 10:02 — 👍 0 🔁 0 💬 0 📌 0