@article{Zhu2026DiagonalTrace,
  author={Zhu, Haoran},
  title={Diagonal trace identities for bosonic and fermionic matrices},
  journal={Theoretical and Mathematical Physics (to appear)},
  year={2026},
  url={https://haoran-horace-zhu.github.io/papers/diagonal-trace-identities/v1.html},
  note={Archived copy, version 1}
}