@Article{ 
  NovResSko24,
  author = { Novack, Michael and Restrepo, Daniel and Skorobogatova, Anna },
  title = { Free boundary regularity for semilinear variational problems with a topological constraint },
  journal = { Archive for Rational Mechanics and Analysis },
  year = { 2026 },
  doi = { https://doi.org/10.1007/s00205-026-02211-6 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6883/ },
  note = { cvgmt preprint}
}