André Barreto 0001 Diana Borsa Shaobo Hou Gheorghe Comanici Eser Aygün Philippe Hamel Daniel Toyama Jonathan J. Hunt Shibl Mourad David Silver Doina Precup The Option Keyboard: Combining Skills in Reinforcement Learning. 2021 abs/2106.13105 CoRR https://arxiv.org/abs/2106.13105 db/journals/corr/corr2106.html#abs-2106-13105