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math.DG2026

Homogeneity of magnetic geodesics in the Heisenberg group

Jun-ichi Inoguchi, Marian Ioan Munteanu

We prove that magnetic geodesics in the -dimensional Heisenberg group derived from the canonical contact structure are homogeneous.

math.DG2025

A classification of constant Gaussian curvature surfaces in the three-dimensional hyperbolic space

Junichi Inoguchi, Shimpei Kobayashi

We classify weakly complete constant Gaussian curvature surfaces in the hyperbolic three-space in terms of holomorphic quadratic differentials. For this purpose, we first…

math.DG2025

Homogeneity of magnetic trajectories in the Berger sphere

Jun-ichi Inoguchi, Marian Ioan Munteanu

We study the homogeneity of contact magnetic trajectories in naturally reductive Berger spheres. We prove that every contact magnetic trajectory is a product of a homogeneous geode…

math.DG2025

Homogeneous structures of -dimensional Lie groups

Jun-ichi Inoguchi, Yu Ohno

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

math.DG2025

Homogeneous structures of -dimensional Sasakian space forms

Jun-ichi Inoguchi, Yu Ohno

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

math.DG2024

Homogeneous statistical manifolds

Jun-ichi Inoguchi, Yu Ohno

The methods of Information geometry have been glowing up to develop various subjects of theoretical physics, including quantum information systems. The present article has two purp…