The improvement of discrete GM(1, 1) prediction model and its solution arithmetic. - Tian-Xiang Yao; Sifeng Liu; Yaoguo Dang; Zhigeng Fang; Chuanmin Mi (FUZZ-IEEE, 2008)

Non-homogenous discrete grey model with fractional-order accumulation. - Li-Feng Wu 001; Sifeng Liu; Wei Cui; Ding-Lin Liu; Tian-Xiang Yao (Neural Comput. Appl., 2014)

MGM(1, m) model based on interval grey number sequence and its applications. - Pingping Xiong; Yue Zhang; Bo Zeng 002; Tian-Xiang Yao (Grey Syst. Theory Appl., 2017)