@article{unlearnablephasesofmatter, title = {Unlearnable phases of matter}, author = {Tarun Advaith Kumar and Yijian Zou and Amir-Reza Negari and Roger G. Melko and Timothy H. Hsieh}, year = {2026}, eprint = {2602.11262}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.11262}, }