40 citations · 111 across the 22 of their papers we have counts for
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math.GT2017★ 1 cited
Virtual homological spectral radii for automorphisms of surfaces
Yi Liu
In this paper, it is shown that any surface automorphism of positive mapping-class entropy possesses a virtual homological eigenvalue which lies outside the unit circle of the comp…
math.GT2017
Volume of representations and mapping degree
Pierre Derbez, Yi Liu, Hongbin Sun +1
Given a connected real Lie group and a contractible homogeneous proper --space furnished with a --invariant volume form, a real valued volume can be assigned to any repre…