Topos
- Date
- 1960 · confidence medium
- Place
- Bures-sur-Yvette, Île-de-France, France
- Credited to
- Alexander Grothendieck
- Field
- Knowledge & symbols
What was discovered
A category that generalizes the notion of topological space and sheaf of sets, introduced by Alexander Grothendieck to unify algebraic geometry and sheaf theory through the concept of a site.
What it led to
- Proof of the Weil conjectures (étale cohomology)
- Birth of elementary topos theory in logic
- New tools for modern algebraic geometry