Tubular neighborhood
In mathematics, a tubular neighborhood of a submanifold of a smooth manifold is an open set around it resembling the normal bundle. The tubular neighbourhood deformation retracts onto the submanifold.
In mathematics, a tubular neighborhood of a submanifold of a smooth manifold is an open set around it resembling the normal bundle. The tubular neighbourhood deformation retracts onto the submanifold.
In mathematics, a tubular neighborhood of a submanifold of a smooth manifold is an open set around it resembling the normal bundle. The tubular neighbourhood deformation retracts onto the submanifold.
Source: Wikipedia "Tubular neighborhood" · CC BY-SA 4.0
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