Speaker: Matteo Fasiello

I will first review the quest for a compelling cosmology of massive gravity, its extensions and related ideas. I will then focus on how to expand our control over the mechanism at the heart of it all: Vainshtein screening. One may go about (i) expanding the type of configurations probed, (ii) expanding the probes themselves (iii) studying additional theories which exhibit Vainshtein screening. I shall elaborate on a couple of recent proposals in these directions.