List questions from metric-spaces

Published on 02 Apr 2026 - 5:28

70

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exercise on convergent sequences

Published on 18 Mar 2019 - 16:05

146

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Does the closest point on a subset change continuously?

Published on 25 Mar 2026 - 20:59

57

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Completeness of a Normed Space of Smooth, Bounded Functions

Published on 25 Mar 2026 - 23:51

129

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Is $\{0\}$ is open in $(\mathbb{R}^2 , p)$?

Published on 19 Mar 2019 - 3:52

332

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Lipschitz equivalent definition.

Published on 19 Mar 2019 - 7:02

1.6k

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Homeomorphism and equivalent metrics

Published on 19 Mar 2019 - 12:51

183

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Is there a metric for which the open unit interval is complete?

Published on 25 Mar 2026 - 12:48

752

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Is it true that the boundary of an open ball is equal to the boundary of a closed ball, in an arbitrary metric space?

Published on 20 Mar 2019 - 3:19

463

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$\ell^2$ has countable dense subset

Published on 30 Mar 2026 - 8:11

56

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Isometry and compactness.

Published on 31 Mar 2026 - 9:49

62

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Understanding the example of metric

Published on 21 Mar 2019 - 10:15

30

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Checking the solution of the problem about metric function

Published on 21 Mar 2019 - 16:24

1.3k

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Does $d(x,y) = \log(1 + | x - y |)$ define a metric on $\mathbb{R}$?

Published on 04 Apr 2026 - 7:24

238

Views

Closed geodesic definition

Published on 25 Mar 2026 - 13:04

List Question

Describe a plane in a matrix metric space

exercise on convergent sequences

Does the closest point on a subset change continuously?

Completeness of a Normed Space of Smooth, Bounded Functions

Is $\{0\}$ is open in $(\mathbb{R}^2 , p)$?

Lipschitz equivalent definition.

Homeomorphism and equivalent metrics

Is there a metric for which the open unit interval is complete?

Is it true that the boundary of an open ball is equal to the boundary of a closed ball, in an arbitrary metric space?

$\ell^2$ has countable dense subset

Isometry and compactness.

Understanding the example of metric

Checking the solution of the problem about metric function

Does $d(x,y) = \log(1 + | x - y |)$ define a metric on $\mathbb{R}$?

Closed geodesic definition

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