@article{Aronna_2026,
  title={{On second order conditions for singular optimal control of port-Hamiltonian systems}},
  volume={191},
  ISSN={0005-1098},
  DOI={10.1016/j.automatica.2026.113116},
  journal={Automatica},
  publisher={Elsevier BV},
  author={Aronna, M. Soledad and Mehrmann, Volker},
  year={2026},
  pages={113116}
}