Luo, H., Zhang, W., Wang, S., Zou, W., Lin, C., Meng, X., & Zhang, Y. (2026). SpecDetect: Simple, Fast, and Training-Free Detection of LLM-Generated Text via Spectral Analysis. Proceedings of the AAAI Conference on Artificial Intelligence, 40(38), 32356–32364. https://doi.org/10.1609/aaai.v40i38.40510