@article{whendoeslatentcommunicationpayacausalaud,
  title = {When Does Latent Communication Pay? A Causal Audit of Relayed KV Caches in Multi-Agent LLMs},
  author = {Jiaming Cheng and Subhransu Das and Rajiv Ramnath},
  year = {2026},
  eprint = {2608.04893},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.04893},
}