![[1242] Réfutation de la conjecture du télescope de Ravenel](/media/cache/video_light/uploads/video/SeminaireBourbaki.jpg)
published on December 9, 2025
[1242] Réfutation de la conjecture du télescope de Ravenel
By Christian Ausoni
Toposes are commutative rings
By Mathieu Anel
Appears in collection : Topos à l'IHES
In this talk, we shall develop the point of view comparing (higher) toposes to commutative rings. We shall then see how the corresponding integral and differential calculus are related respectively to Verdier duality and Goodwillie calculus of functors.
