2 citations · 2 across the 2 of their papers we have counts for
2 papers
math.GR2017
Quasi-isometry type of the metric space derived from the kernel of the Calabi homomorphism
Tomohiko Ishida
We prove that the set of symmetrized conjugacy classes of the kernel of the Calabi homomorphism on the group of area-preserving diffeomorphisms of the -disk is not quasi-isometr…
math.GT2015★ 2 cited
A twisted first homology group of the handlebody mapping class group
Tomohiko Ishida, Masatoshi Sato
Let be a 3-dimensional handlebody of genus . We determine the twisted first homology group of the mapping class group of with coefficients in the first integral…