The chair Biography and publications Public lectures Guest lecturers Annual summaries Audios and videos News Upcoming Previous Program Equivalencies (1) Xavier Leroy Lecture 5 Nov 2026 09:30 to 11:00 Program Equivalencies (1) Xavier Leroy Seminar 5 Nov 2026 11:15 to 12:15 Program Equivalencies (2) Xavier Leroy Lecture 12 Nov 2026 09:30 to 11:00 Program Equivalencies (2) Xavier Leroy Seminar 12 Nov 2026 11:15 to 12:15 Program Equivalencies (3) Xavier Leroy Lecture 19 Nov 2026 09:30 to 11:00 Program Equivalencies (3) Xavier Leroy Seminar 19 Nov 2026 11:15 to 12:15 Program Equivalencies (4) Xavier Leroy Lecture 26 Nov 2026 09:30 to 11:00 Program Equivalencies (4) Xavier Leroy Seminar 26 Nov 2026 11:15 to 12:15 Program Equivalencies (5) Xavier Leroy Lecture 3 Dec 2026 09:30 to 11:00 Program Equivalencies (5) Xavier Leroy Seminar 3 Dec 2026 11:15 to 12:15 Program Equivalencies (6) Xavier Leroy Lecture 10 Dec 2026 09:30 to 11:00 Program Equivalencies (6) Xavier Leroy Seminar 10 Dec 2026 11:15 to 12:15 Program Equivalencies (7) Xavier Leroy Lecture 17 Dec 2026 09:30 to 11:00 Program Equivalencies (7) Xavier Leroy Seminar 17 Dec 2026 11:15 to 12:15 Next 20 series Filters Event type Event type Lecture (9) Seminar (8) Symposium (2) Opening lecture (1) Academic year Academic year 2026 - 2027 (2) 2025 - 2026 (2) 2024 - 2025 (1) 2023 - 2024 (3) 2022 - 2023 (2) 2021 - 2022 (3) 2020 - 2021 (2) 2019 - 2020 (2) 2018 - 2019 (3) 2026 - 2027 Program Equivalencies Xavier Leroy 05 Nov 2026 → 17 Dec 2026 Lecture 05 Nov 2026 → 17 Dec 2026 Program Equivalencies Xavier Leroy 05 Nov 2026 → 17 Dec 2026 Seminar 05 Nov 2026 → 17 Dec 2026 2025 - 2026 Secure calculation: calculating on encrypted or private data Xavier Leroy 06 Nov 2025 → 18 Dec 2025 Lecture 06 Nov 2025 → 18 Dec 2025 Secure calculation: calculating on encrypted or private data Xavier Leroy 13 Nov 2025 → 18 Dec 2025 Seminar 13 Nov 2025 → 18 Dec 2025 2024 - 2025 No lectures this year Xavier Leroy 01 Sep 2024 Lecture 01 Sep 2024 2023 - 2024 AI and its challenges Philippe Aghion, Xavier Leroy, Benoît Sagot 28 Sep 2023 Symposium 28 Sep 2023 Control structures : from goto to algebraic effects Xavier Leroy 25 Jan 2024 → 14 Mar 2024 Lecture 25 Jan 2024 → 14 Mar 2024 Control structures : from goto to algebraic effects Xavier Leroy 08 Feb 2024 → 14 Mar 2024 Seminar 08 Feb 2024 → 14 Mar 2024 2022 - 2023 Persistent data structures Xavier Leroy 09 Mar 2023 → 20 Apr 2023 Lecture 09 Mar 2023 → 20 Apr 2023 Persistent data structures Xavier Leroy 23 Mar 2023 → 20 Apr 2023 Seminar 23 Mar 2023 → 20 Apr 2023 2021 - 2022 Software security : what role can programming languages play? Xavier Leroy 10 Mar 2022 → 21 Apr 2022 Lecture 10 Mar 2022 → 21 Apr 2022 Software security : what role can programming languages play? Xavier Leroy 17 Mar 2022 → 21 Apr 2022 Seminar 17 Mar 2022 → 21 Apr 2022 Probabilistic Programming Xavier Leroy 29 Jun 2022 → 30 Jun 2022 Symposium 29 Jun 2022 → 30 Jun 2022 2020 - 2021 Program logic : when the machine reasons about its software Xavier Leroy 04 Mar 2021 → 15 Apr 2021 Lecture 04 Mar 2021 → 15 Apr 2021 Program logic : when the machine reasons about its software Xavier Leroy 11 Mar 2021 → 15 Apr 2021 Seminar 11 Mar 2021 → 15 Apr 2021 2019 - 2020 Mechanized semantics : when the machine reasons about its languages Xavier Leroy 28 Nov 2019 → 13 Feb 2020 Lecture 28 Nov 2019 → 13 Feb 2020 Mechanized semantics : when the machine reasons about its languages Xavier Leroy 12 Dec 2019 → 13 Feb 2020 Seminar 12 Dec 2019 → 13 Feb 2020 2018 - 2019 Software, between mind and matter Xavier Leroy 15 Nov 2018 18:00 - 19:00 Opening lecture Amphithéâtre Marguerite de Navarre, Site Marcelin Berthelot 15 Nov 2018 18:00 - 19:00 Program = demonstrate ? Curry-Howard correspondence today Xavier Leroy 21 Nov 2018 → 30 Jan 2019 Lecture 21 Nov 2018 → 30 Jan 2019 Program = demonstrate ? Curry-Howard correspondence today Xavier Leroy 28 Nov 2018 → 30 Jan 2019 Seminar 28 Nov 2018 → 30 Jan 2019
