

56:14
published on June 20, 2025
A family of Fano manifolds obtained as linear sections of the spinor tenfold
By Laurent Manivel
Appears in collection : Real Aspects of Geometry / Aspects réels de la géométrie
In a real algebraic variety, among all real algebraic hypersurfaces of degree $d$, the proportion of those with a very large total Betti number goes to zero exponentially fast when $d$ goes to infinity.