@article{dynamicstratifiedcontrastivelearningwith, title = {Dynamic Stratified Contrastive Learning with Upstream Augmentation for MILP Branching}, author = {Tongkai Lu and Shuai Ma and Chongyang Tao}, year = {2025}, eprint = {2511.21107}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2511.21107}, }