@unpublished{benmhenni:hal-02066368, TITLE = {{Global Optimization for Sparse Solution of Least Squares Problems}}, AUTHOR = {Ben Mhenni, Ramzi and Bourguignon, S{\'e}bastien and Ninin, Jordan}, URL = {https://hal.science/hal-02066368}, NOTE = {working paper or preprint}, YEAR = {2019}, MONTH = Mar, KEYWORDS = {Sparse approximation ; Cardinality constraint ; Branch-and-bound ; Continuous relaxation ; Homotopy continuation}, PDF = {https://hal.science/hal-02066368/file/benmhenni2019_HAL.pdf}, HAL_ID = {hal-02066368}, HAL_VERSION = {v1}, }