List questions from general-topology

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Topological basis vs local basis.

Published on 08 May 2018 - 6:47

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constructing pushout

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Supplement book for topology

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Is this statement really that technical to prove?

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What does Conway mean by $C_b(X)$ is 'very small'

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Let $E \subset \mathbb{R}$ a null-set. Show that the subset $ \{(x,y) \in \mathbb{R}^2:x-y \in E \}$ is measurable

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continuous Function In Metric/Topology Spaces

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homomorphisms of Banach spaces as topological groups

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$U$ $\setminus$ $K$ is an open connected set

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$\coprod_{i \in I} X_i$ is second countable $\implies |I| \leq |\mathbb{N}|$

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26

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Merge tracking data from multiple sources

Published on 08 May 2018 - 20:30

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A topological set-theoretic inequality

Published on 08 May 2018 - 21:20

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Prove that "closed" unit ball in $C[0, 1]$ is indeed closed.

Published on 25 Mar 2026 - 7:43

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Meaning of "the weakest topology such that <blank> is continuous"

Published on 25 Mar 2026 - 4:41

List Question

Identity Element of a Group of Sections of a Sheaf

Topological basis vs local basis.

constructing pushout

Supplement book for topology

Is this statement really that technical to prove?

What does Conway mean by $C_b(X)$ is 'very small'

Let $E \subset \mathbb{R}$ a null-set. Show that the subset $ \{(x,y) \in \mathbb{R}^2:x-y \in E \}$ is measurable

continuous Function In Metric/Topology Spaces

homomorphisms of Banach spaces as topological groups

$U$ $\setminus$ $K$ is an open connected set

$\coprod_{i \in I} X_i$ is second countable $\implies |I| \leq |\mathbb{N}|$

Merge tracking data from multiple sources

A topological set-theoretic inequality

Prove that "closed" unit ball in $C[0, 1]$ is indeed closed.

Meaning of "the weakest topology such that <blank> is continuous"

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