Entropy and affine actions for surface groups
arXiv:1908.00599
Abstract
We give an independent proof of a theorem of Danciger of Zhang: surface groups with Hitchin linear part cannot act properly on the affine space
11 pages, v2 grant info updated, v3 clarifications in the proofs -- in particular new versions of Lemma 4.3 and 6.4, thanks to a careful reading by an independent reader