@article{sumofsquaresdegreebarriersforthereweight, title = {Sum-of-Squares Degree Barriers for the Reweighted-Hinge Method in Robust Halfspace Learning: A Christoffel-Function Characterization}, author = {Xiaoyu Li}, year = {2026}, eprint = {2606.17215}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2606.17215}, }