@Misc{ 
  FiGuKiSh24b,
  author = { Figalli, Alessio and Guerra, André and Kim, Sunghan and Shahgholian, Henrik },
  title = { Constraint Maps and Free Boundaries },
  journal = { to appear },
  year = { 2025 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6863/ },
  note = { cvgmt preprint}
}