Yes, but it's a simple one of dimension zero. There's not much to do here---every 'neighbourhood' of the point is exactly that: just the point. (not that there

Yes, but it's a simple one of dimension zero. There's not much to do here---every 'neighbourhood' of the point is exactly that: just the point. (not that there are different 'classes' of manifolds out there; I am not sure if the point would qualify as a Riemannian manifold, for example)