[singhrac]

Another one if you enjoy this sort of thing like me is Raph Levien's work on the stack monoid; this [1] blog post and this [2] ArXiV paper are great places to look.

[1]: https://raphlinus.github.io/gpu/2020/09/05/stack-monoid.html [2]: https://arxiv.org/abs/2205.11659