@article{wu2026hierarchical,
  author = {Wu, Mengfan and Boban, Mate and Dressler, Falko},
  doi = {10.1109/TMC.2026.3673393},
  title = {{Hierarchical Federated Learning in Device-to-Device Networks with Learning-Topology Co-Optimization}},
  pages = {12488 -- 12505},
  journal = {IEEE Transactions on Mobile Computing},
  issn = {1536-1233},
  publisher = {IEEE},
  month = {8},
  number = {8},
  volume = {25},
  year = {2026},
}