[evmar]

One nice tool for analyzing maps as a tree is as a dominator trees. I wrote a bit about it here: https://neugierig.org/software/blog/2023/07/dominator.html

[euroderf]

Another interesting type of tree is the multitree. Try this very readable paper:

https://interactivity.ucsd.edu/articles/In_Process/MultiTree...

[chrisco255]

Thank you for sharing, first I've heard of this tree type.