@article{sparsityisnecessarypolynomialtimestabili,
  title = {Sparsity Is Necessary: Polynomial-Time Stability for Agentic LLMs in Large Action Spaces},
  author = {Angshul Majumdar},
  year = {2026},
  eprint = {2601.08271},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.08271},
}