Segre embedding
= Segre embedding
{c}
{wiki}
The Segre embedding sends
$$
([x_0:\cdots:x_m],[y_0:\cdots:y_n])
\longmapsto [x_iy_j]_{i,j}
$$
and realizes $\mathbb P^m\times\mathbb P^n$ as a <projective variety>.
= Segre embedding
{c}
{wiki}
The Segre embedding sends
$$
([x_0:\cdots:x_m],[y_0:\cdots:y_n])
\longmapsto [x_iy_j]_{i,j}
$$
and realizes $\mathbb P^m\times\mathbb P^n$ as a <projective variety>.