Yu Ohno

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math.DG2025

Homogeneous structures of $3$ -dimensional Lie groups

Jun-ichi Inoguchi, Yu Ohno

We give a classification of homogeneous Riemannian structures on (non locally symmetric) $3$ -dimensional Lie groups equipped with left invariant Riemannian metrics. This work toget…

math.DG2025

Homogeneous structures of $3$ -dimensional Sasakian space forms

Jun-ichi Inoguchi, Yu Ohno

We give explicit parametrizations for all the homogeneous contact Riemannian structures on $3$ -dimensional Sasakian space forms.

Homogeneous structures of 3-dimensional Lie groups

Homogeneous structures of 3-dimensional Sasakian space forms

Homogeneous structures of $3$ -dimensional Lie groups

Homogeneous structures of $3$ -dimensional Sasakian space forms