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Results tagged with gn.general-topology
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user 25511
Continuum theory, point-set topology, spaces with algebraic structure, foundations, dimension theory, local and global properties.
8
votes
1
answer
699
views
Immersion of $S^1$ in $\mathbb{R}^2$ that can be extended to $\mathbb{D}$
I was wondering about $\mathcal{C}^{\infty}$ immersions $S^1 \longrightarrow \mathbb{R}^2$ which are the restriction to $\partial \mathbb{D}$ of an immersion $\overline{\mathbb{D}} \longrightarrow \m …
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