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2 votes
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504 views

Are exotic spheres still exotic in generalised smooth spaces? [closed]

This is really more of a philosophical question, and the title is somewhat rhetorical: Exotic spheres are a feature of smooth manifold theory, where certain spheres can have more than one differentia …
Mozibur Ullah's user avatar
5 votes
2 answers
516 views

are immersions/submersions captured in generalised smooth spaces by some universal property?

Immersions & sumersions are important in differential manifolds. They rely on their definition of the construction of the tangent bundle. I realise that generalised smooth spaces do not have a canoni …
Mozibur Ullah's user avatar