@incollection{sommer:hal-02341901, TITLE = {{Introduction to differential and Riemannian geometry}}, AUTHOR = {Sommer, Stefan and Fletcher, Tom and Pennec, Xavier}, URL = {https://inria.hal.science/hal-02341901}, BOOKTITLE = {{Riemannian Geometric Statistics in Medical Image Analysis}}, PUBLISHER = {{Elsevier}}, NUMBER = {Chap. 1}, PAGES = {3-37}, YEAR = {2020}, DOI = {10.1016/b978-0-12-814725-2.00008-x}, PDF = {https://inria.hal.science/hal-02341901/file/chapter1.pdf}, HAL_ID = {hal-02341901}, HAL_VERSION = {v1}, }