Great, I love this stuff.

See here for a summary of the many results of the author and team's research project on formalization:

https://www.cl.cam.ac.uk/~lp15/Grants/Alexandria/

Especially interesting for me is the work on formalizing quantum computing algorithms and theorems (open access):

https://link.springer.com/article/10.1007/s10817-020-09584-7