activity
19982008
most citedStable commutator length in subgroups of PL(I)

6 citations · 12 across the 12 of their papers we have counts for

collaborators
Showing 2005Show all

2 papers · 1 filter

math.GT2005

Real places and torus bundles

Danny Calegari

If M is a hyperbolic once-punctured torus bundle over the circle, then the trace field of M has no real places.

math.DS2005

Distortion in transformation groups

Danny Calegari, Michael H Freedman

We exhibit rigid rotations of spheres as distortion elements in groups of diffeomorphisms, thereby answering a question of J Franks and M Handel. We also show that every homeomorph…