@article{riskphasetransitionsinspikedregressional, title = {Risk Phase Transitions in Spiked Regression: Alignment Driven Benign and Catastrophic Overfitting}, author = {Jiping Li and Rishi Sonthalia}, year = {2025}, eprint = {2510.01414}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2510.01414}, }