Assume that you are given a net of 6 squares. Is there a simple criterion (in terms of a few invariants that can be computed quickly) to tell whether it is the net of a cube?
More generally, when is an arbitrary net of faces the net of a solid?
Assume that you are given a net of 6 squares. Is there a simple criterion (in terms of a few invariants that can be computed quickly) to tell whether it is the net of a cube?
More generally, when is an arbitrary net of faces the net of a solid?