Meeting in extraordinary session on Friday, October 10, 2025, the Laboratory Council of the LMO unanimously adopted the following motion:
The Laboratory Council of the Orsay Mathematics Laboratory, in light of:
— the departures of administrative staff since 2022, which have not been replaced by the CNRS and not compensated for by the University of Paris-Saclay,
— the HCERES report of June 2025, which notes the critical lack of resources in the LMO's administrative department,
— the daily experience of everyone in the laboratory,
requests that the supervisory bodies fulfill their obligations to resolve these issues and fully supports the …
It is with immense sadness that we announce the passing of our colleague and friend Gérard Laumon on Saturday morning, October 4th.
Gérard learned he was ill in July 2024, and his health deteriorated considerably over the past summer. Since then, physically very weak, he had not returned to the department. Gérard wished to continue living at home, remaining independent, for as long as possible, and only agreed to be hospitalized last Tuesday. Gérard had been in critical condition since Thursday—but remained fully lucid until the end—and on Friday evening, after the final visits from his friends, he fell asleep …
Our colleagues Patrick Gérard and Jérôme Buzzi will participate as speakers in July 2026 at the International Congress of Mathematicians (ICM 2026) in Philadelphia, in the plenary and thematic sections respectively: https://www.icm2026.org/event/ac193975-5d24-4628-8c30-ddb23de19a8b/speakers.
Four members of our laboratory have been appointed members of the Institut Universitaire de France (IUF).
Amaury Freslon and Luca Nenna have been appointed Junior IUF members.
Gilles Blanchard and Bertrand Maury have been appointed Senior IUF members.
The announcement of these new IUF appointments was relayed by Université Paris-Saclay.
Our colleague Mathilde Rousseau is the recipient of the CNRS 2025 crystal medal. Details can be found here: here: https://www.insmi.cnrs.fr/fr/cnrsinfo/mathilde-rousseau-laureate-de-la-medaille-de-cristal-du-cnrs.
Two days of conference on the interfaces between statistical physics and learning, and on computational limitations in statistical learning.
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Organized by a group of first-year undergraduate students, and in celebration of International Women's Day, this morning's event aims to showcase the work and lives of female mathematicians, both well-known and lesser-known, who have made significant contributions to their field. Student-initiated presentations will be presented, followed by a screening of the documentary film "Secrets of the Surface: The Mathematical Vision of Maryam Mirzakhani."
The event will take place from 9:30 a.m. to 12:00 p.m. this Saturday, March 8, at the IMO (Yoccoz Amphitheater). Student representatives from the Student Union will offer a free breakfast starting at 8:45 a.m.
The hidden structure of networks with Nicolas Curien, the 2nd video for the general public in the series, Discovering Mathematics at Université Paris-Saclay.
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Nicolas Curien will speak on February 12 at 2 p.m. at the Paris Saclay Summit, for a public conference entitled: "The strange beauty of random surfaces in mathematics".
Unlock the secrets of numbers with David Harari in this first video for the general public from a new series: Discovering mathematics at Université Paris-Saclay.
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Interviews with Thomas Mordant and Frédéric Bourgeois in view of the upcoming Paris-Saclay Summit have been published in Le Point magazine.
