List questions from differential-topology

Published on 17 Apr 2020 - 23:54

175

Views

Can we write limits variable-free?

Published on 18 Apr 2020 - 21:03

153

Views

Exterior derivative on the Frechet manifold $C^{\infty}(M)$

Published on 31 Mar 2026 - 23:32

154

Views

Exterior derivative of a restricted 1-form

Published on 19 Apr 2020 - 0:38

280

Views

Two Charts Compatible with an Atlas

Published on 19 Apr 2020 - 0:48

380

Views

Is the equivalence between tangent and cotangent bundles canonical for algebraic topologists?

Published on 20 Apr 2020 - 6:38

99

Views

Can we extend a function on surface to a function on $\mathbb{R}^3$

Published on 28 Mar 2026 - 21:50

727

Views

I want some books which build a good foundation of physics leading to cosmology.

Published on 01 Apr 2026 - 5:45

70

Views

Questions on the implications of Condition $(2)$ on $\{U_i,\alpha_i\}$ being an atlas for $X$ (image of $\alpha_i$ contained in Banach space)

Published on 20 Apr 2020 - 21:25

204

Views

Extending a map of a surface's boundary

Published on 26 Mar 2026 - 4:52

112

Views

$f:U\subset\Bbb{R}^{n}$ is $C^k$ and $f'(a)$ has rank $p$, exists an embedding

Published on 29 Mar 2026 - 4:02

226

Views

Cohomology with compact support of $T^2-\{p\}$

Published on 21 Apr 2020 - 21:30

340

Views

Critical points and manifolds

Published on 29 Mar 2026 - 2:45

262

Views

Can continuous functions be made smooth by changing the smooth structure on the domain?

Published on 27 Mar 2026 - 14:55

674

Views

Show that s is the arclength parameter for both $\alpha$ and its Bertrand mate $\beta$, if and only if $\alpha(s) = \beta(s)$ for all $s$.

Published on 25 Apr 2020 - 6:20

List Question

Is $S^n \vee S^n$ a smooth manifold?

Can we write limits variable-free?

Exterior derivative on the Frechet manifold $C^{\infty}(M)$

Exterior derivative of a restricted 1-form

Two Charts Compatible with an Atlas

Is the equivalence between tangent and cotangent bundles canonical for algebraic topologists?

Can we extend a function on surface to a function on $\mathbb{R}^3$

I want some books which build a good foundation of physics leading to cosmology.

Questions on the implications of Condition $(2)$ on $\{U_i,\alpha_i\}$ being an atlas for $X$ (image of $\alpha_i$ contained in Banach space)

Extending a map of a surface's boundary

$f:U\subset\Bbb{R}^{n}$ is $C^k$ and $f'(a)$ has rank $p$, exists an embedding

Cohomology with compact support of $T^2-\{p\}$

Critical points and manifolds

Can continuous functions be made smooth by changing the smooth structure on the domain?

Show that s is the arclength parameter for both $\alpha$ and its Bertrand mate $\beta$, if and only if $\alpha(s) = \beta(s)$ for all $s$.

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