@unpublished{chyzak:hal-02420591, TITLE = {{A closed-form formula for the Kullback-Leibler divergence between Cauchy distributions}}, AUTHOR = {Chyzak, Fr{\'e}d{\'e}ric and Nielsen, Frank}, URL = {https://inria.hal.science/hal-02420591}, NOTE = {8 pages}, YEAR = {2019}, MONTH = Dec, HAL_ID = {hal-02420591}, HAL_VERSION = {v1}, }