Re: Smooth submanifolds



The definition of an imbedded manifold (q.v. see Spivak) is an immersed
submanifold, where the immersion is a homeomorphism to the image. The
simplest way I can see to finish the argument is to use connectedness.

- Martin Dowd

Ok, I think i got your point for the second task. But how do I show
that it's a smooth manifold?
Thank you so far,
Lf

.



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