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New posts in Differential Topology
What is a generally accepted definition of "curve" in mathematics?
May 07, 2021
If $\omega$ is a volume form, then $X\mapsto i_X\omega$ generates all $(n-1)$-forms
May 07, 2021
Why aren't tangent spaces simply defined as vector spaces with same dimension as the manifold?
May 07, 2021
When can a vector field be rescaled to have constant divergence?
May 07, 2021
Milnor's proof that a smooth manifold has the homotopy type of a CW complex
May 06, 2021
Embedding of exotic manifold
May 06, 2021
"A manifold with boundary has dimension at least 1" if it has a dimension and if it has nonempty boundary?
May 06, 2021
Find $f$ such that $f^{-1}(\lbrace0\rbrace)$ is this knotted curve (M.W.Hirsh)
May 06, 2021
Linking number definitions: equivalent or not?
May 06, 2021
Let $M$ be a smooth n-manifold($n\geq 1$).Prove that $M$ admits a diffeomorphism $f : M \to M$ which is not the identity
May 06, 2021
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