@article{harlfhierarchicalreinforcementlearningan,
  title = {HARLF: Hierarchical Reinforcement Learning and Lightweight LLM-Driven Sentiment Integration for Financial Portfolio Optimization},
  author = {Benjamin Coriat and Eric Benhamou},
  year = {2025},
  eprint = {2507.18560},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2507.18560},
}