@article{modeandridgeestimationineuclideanand, title = {Mode and Ridge Estimation in Euclidean and Directional Product Spaces: A Mean Shift Approach}, author = {Yikun Zhang and Yen-Chi Chen}, year = {2021}, eprint = {2110.08505}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2110.08505v2}, }