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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.GR2017
Orderings of Witzel-Zaremsky-Thompson groups
Tomohiko Ishida
We prove the orderability of the Witzel-Zaremsky-Thompson group for a direct system of orderable groups under a certain compatibility assumption.