We describe the orbits of a cohomogeneity two Riemannian G-manifold M from topological point of view, under the conditions that G is nonsemisimple and M decomposes as a product of negatively curved Riemannian manifolds.

中文翻译：

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同质性两个非半简单的等距作用

我们从拓扑学的角度描述了两个同构的黎曼G-流形M的轨道，条件是G为非半单纯形且M分解为负弯曲黎曼流形的乘积。