Route planning in a new tourist recommender system: A fireworks algorithm based approach. - Hui Ding; Liangjun Ke; Zihao Geng (CEC, 2016)

The T1,2-free planar graphs whose second largest eigenvalue does not exceed 1. - Zihao Geng; Ji-Ming Guo; Zhiwen Wang (Discret. Math., 2024)