New posts in Projective Geometry

Asymptotes of an implicit curve

9 points on a quadric hypersurface

Projections of uniformly distributed $\mathbb{R}^3$ unit vector have uniform distribution

How to intersect a line with a point off the page using a straight edge and compass (see description)

Back-projecting Pixel to 3D Rays in World Coordinates using PseudoInverse Method

How to imagine vector spaces (and projective spaces) over a finite field

Why is the line at infinity one-dimensional?

Non-trivial questions about confocal ellipses

Is the projective line minus one point always isomorphic to the affine space?

What is the interpretation of homogeneous line intersection?