Zhang, Qingyun, Yuming Du, Zhouxing Su, Chu-Min Li, Junzhou Xu, Zhihuai Chen, and Zhipeng Lü. “Threshold-Based Responsive Simulated Annealing for Directed Feedback Vertex Set Problem”. Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 18 (March 24, 2024): 20856–20864. Accessed May 15, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/30075.