Moduli of Curves III: Gaining perspective

Young tableaux are to planes as labeled trees are to curves. Continuing from the previous post in this series, we now show how to think of $\overline{M}_{0,n}$ as a projective variety. We now show how to look from the perspective of a single point, and combine this with the forgetting maps, to construct a projective embedding of $\overline{M}_{0,n}$ and thereby realize it as a geometric space…