Choi, Yoonhyuk, Jiho Choi, Taewook Ko, JongWook Kim, and Chong-Kwon Kim. “Sheaf Graph Neural Networks via PAC-Bayes Spectral Optimization”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 25 (March 14, 2026): 20570-20578. Accessed May 5, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/39193.