New posts in Projective Space

How to show $P^1\times P^1$ (as projective variety by Segre embedding) is not isomorphic to $P^2$?

Orientability of projective space

What is the difference between projective geometry and affine geometry?

Unique line in $\mathbb{P}^3$ through a point $p$ and intersecting two disjoint lines

Why is $0$ excluded in the definition of the projective space for a vector space?

Why the emphasis on Projective Space in Algebraic Geometry?