Skip to main content
2 of 2
added top-level tag; https://meta.mathoverflow.net/questions/1457/why-are-mo-tags-formatted-as-they-are
Martin Sleziak
  • 4.7k
  • 4
  • 35
  • 40

How many triangulations of a regular octahedron are there, without introducing new vertices?

It is easy to find three triangulations, each consisting of four tetrahedra. Are there more?