published on February 23, 2026
Illustration in Mathematics and CS — Made Broadly Accessible by AI: From Opportunity to Practice
By Erika Berenice Roldan Roa
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.
