@article{doagentsthinkdeeperamechanisticinvestiga,
  title = {Do Agents Think Deeper? A Mechanistic Investigation of Layer-Wise Dynamics in Sequential Planning},
  author = {Zhenyu Cui and Xiangzhong Luo},
  year = {2026},
  eprint = {2605.27935},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.27935},
}