@article{hofstrakarvonen:innerautomorphisms,
  title={Inner automorphisms as 2-cells},
  author={Hofstra, Pieter and Karvonen, Martti},
  journal={Theory and Applications of Categories},
  volume={42},
  number={2},
  pages={19-40},
  year={2024},
  doi={10.70930/tac/eh9c24nl}, 
  url={www.tac.mta.ca/tac/volumes/42/2/42-02abs.html},
}