LUO, Haitong; ZHANG, Weiyao; WANG, Suhang; ZOU, Wenji; LIN, Chungang; MENG, Xuying; ZHANG, Yujun. SpecDetect: Simple, Fast, and Training-Free Detection of LLM-Generated Text via Spectral Analysis. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 38, p. 32356–32364, 2026. DOI: 10.1609/aaai.v40i38.40510. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/40510. Acesso em: 15 may. 2026.