By Detlef Gromoll
Riemannian manifolds, relatively people with confident or nonnegative curvature, are made out of just a handful through metric fibrations or deformations thereof. this article records a few of these structures, a lot of that have in simple terms seemed in magazine shape. The emphasis is much less at the fibration itself and extra on tips to use it to both build or comprehend a metric with curvature of fastened join up a given space.
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