mathematics Article Time Series Clustering with Topological and Geometric Mixed Distance Yunsheng Zhang , Qingzhang Shi, Jiawei Zhu, Jian Peng * and Haifeng Li School of Geosciences and Info-Physics, Central South University, Changsha 410083, China; zhangys@csu.edu.cn (Y.Z.); 185011031@csu.edu...