@article{tmrldiffusiontimestepmodulatedpretrainin, title = {TMRL: Diffusion Timestep-Modulated Pretraining Enables Exploration for Efficient Policy Finetuning}, author = {Matthew M. Hong and Jesse Zhang and Anusha Nagabandi and Abhishek Gupta}, year = {2026}, eprint = {2605.12236}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.12236}, }