Equilateral convex triangulations of $\mathbb{R}{P}^2$ with three conical points of equal defect

Mikhail Chernavskikh, Altan Erdnigor, Nikita Kalinin +1

Consider triangulations of $\mathbb{R}{P}^2$ whose all vertices have valency six except three vertices of valency $4$. In this chapter we prove that the number $f(n)$ of such triangu…