Yusuke Isono

activity

20192021

collaborators

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math.DS2020

Boundary and rigidity of nonsingular Bernoulli actions

Kei Hasegawa, Yusuke Isono, Tomohiro Kanda

Let $G$ be a countable discrete group and consider a nonsingular Bernoulli shift action $G ↷ \prod_{g \in G} ({0, 1}, μ_{g})$ with two base points. When $G$ is exa…

math.DS2019

Ergodic theory of affine isometric actions on Hilbert spaces

Yuki Arano, Yusuke Isono, Amine Marrakchi

The classical Gaussian functor associates to every orthogonal representation of a locally compact group $G$ a probability measure preserving action of $G$ called a Gaussian action.…