

Mathematical object, “A bitangent plane to a torus cuts it along two circles” Villarceau’s theorem
Three-dimensional transposition of an equation - series photographed by Man Ray at the Poincaré Institute
Mathematical object, “A bitangent plane to a torus cuts it along two circles” Villarceau’s theorem
Three-dimensional transposition of an equation - series photographed by Man Ray at the Poincaré Institute
The site is fully secured by SSL. No banking data is stored.