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math.GT2018
Affine actions with Hitchin linear part
Jeffrey Danciger, Tengren Zhang
Properly discontinuous actions of a surface group by affine automorphisms of were shown to exist by Danciger-Gueritaud-Kassel. We show, however, that if the linear pa…
math.GT2018★ 13 cited
Proper affine actions for right-angled Coxeter groups
Jeffrey Danciger, François Guéritaud, Fanny Kassel
For any right-angled Coxeter group on generators, we construct proper actions of on by right and left multiplication, and on the Lie algebra $\mathf…