@article{simoni-etal-2026-gtpo,
    title = "{GTPO}: Stabilizing Group Relative Policy Optimization via Gradient and Entropy Control",
    author = "Simoni, Marco  and
      Fontana, Aleksandar  and
      Rossolini, Giulio  and
      Saracino, Andrea  and
      Mori, Paolo",
    journal = "Transactions of the Association for Computational Linguistics",
    volume = "14",
    year = "2026",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://aclanthology.org/2026.tacl-1.102/",
    doi = "10.1162/tacl.a.800",
    pages = "2258--2280"
}