Beyond ΛCDM: Problems,solutions,and the road ahead (Physics of the Dark Universe, 2016)

(untitled) - Bull, P; Akrami, Y; Adamek, J; Baker, T; Jiménez, J; Bentivegna, E; Camera, S; Clesse, S; Davis, JH; Di Dio, E; Enander, J; Heavens, A; et al.