EN
We relate centroaffine immersions $f: Mⁿ → ℝ^{n+1}$ to horizontal immersions g of Mⁿ into $S^{2n+1}_{n+1}(1)$ or $H^{2n+1}_{n}(-1)$. We also show that f is an equiaffine sphere, i.e. the centroaffine normal is a constant multiple of the Blaschke normal, if and only if g is minimal.