I've been asked to prove that there is only one 4-regular planar graph.
We've used Euler's formula and the fact that the size must equal $\displaystyle 3n - 6$ to show that the order must be 6.
Could someone walk me through it? Thanks.
I've been asked to prove that there is only one 4-regular planar graph.
We've used Euler's formula and the fact that the size must equal $\displaystyle 3n - 6$ to show that the order must be 6.
Could someone walk me through it? Thanks.