List questions from manifolds

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Differentiable atlas for infinite Mobius strip

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Theorem on any 2-dimensional riemannian manifold conformally flat

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Neighbourhood in the definition of manifolds

Published on 18 May 2018 - 5:28

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Why $O(3)$ does not contain a normal subgroup $\mathbb{Z}/2\mathbb{Z}$?

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Orientability of an n dimensional manifold

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Diffeomorphism of Lens Spaces

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The differential and smooth sections

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Parametrization of line segment on manifold

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190

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Eilenberg–MacLane space for explicit group examples

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Classifying spaces [related to Eilenberg–MacLane] for explicit group examples

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Which manifold is formed by the set of resolutions of the identity operator into orthogonal projectors?

Published on 26 Mar 2026 - 16:07

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If $a:[0,1) \to \mathbb C$ defined by $a(s)=e^{2\pi i s}$ is not an embedding, how is the restriction of $a$ to $[0,b)$ for $0<b<1$ an embedding?

Published on 23 May 2018 - 0:32

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How do I show $f: X_i \to X_1 \times \cdots \times X_n$ defined by $f(x)=(x_1, \dots, x_{i-1}, x, x_{i+1}, \dots, x_n)$ is continuous?

Published on 23 May 2018 - 7:09

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Coordinates adapted to transverse intersections of two submanifolds

Published on 23 May 2018 - 7:15

List Question

Show $\mathbb{R}^n$ is not diffeomorphic to $\mathbb{R}^m$ for $m\neq n$

Differentiable atlas for infinite Mobius strip

Theorem on any 2-dimensional riemannian manifold conformally flat

Neighbourhood in the definition of manifolds

Why $O(3)$ does not contain a normal subgroup $\mathbb{Z}/2\mathbb{Z}$?

Orientability of an n dimensional manifold

Diffeomorphism of Lens Spaces

The differential and smooth sections

Parametrization of line segment on manifold

Eilenberg–MacLane space for explicit group examples

Classifying spaces [related to Eilenberg–MacLane] for explicit group examples

Which manifold is formed by the set of resolutions of the identity operator into orthogonal projectors?

If $a:[0,1) \to \mathbb C$ defined by $a(s)=e^{2\pi i s}$ is not an embedding, how is the restriction of $a$ to $[0,b)$ for $0<b<1$ an embedding?

How do I show $f: X_i \to X_1 \times \cdots \times X_n$ defined by $f(x)=(x_1, \dots, x_{i-1}, x, x_{i+1}, \dots, x_n)$ is continuous?

Coordinates adapted to transverse intersections of two submanifolds

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