@Article{ 
  AlBrSoSt23,
  author = { Alicandro, Roberto and Braides, Andrea and Solci, Margherita and Stefani, Giorgio },
  title = { Topological singularities arising from fractional-gradient energies },
  journal = { Math. Ann. },
  year = { 2025 },
  doi = { 10.1007/s00208-025-03230-6 },
  volume = { 393 },
  pages = { 71-111 },
  URL = { http://cvgmt.sns.it/paper/6213/ },
  note = { cvgmt preprint}
}