@article{sobolevregularizedscoredifferenceestimat, title = {Sobolev Regularized Score Difference Estimation in Diffusion Models}, author = {Chenghan Xie and Jose Blanchet and Renyuan Xu}, year = {2026}, eprint = {2608.18237}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2608.18237}, }