Question

Show that $d:\mathbb{C}\times\mathbb{C}\rightarrow[0,\infty[$ is a metric on $\mathbb{C}$.

score 68 · Answer 1 · 2026-05-06 23:33:27

68

Views

Show that $d:\mathbb{C}\times\mathbb{C}\rightarrow[0,\infty[$ is a metric on $\mathbb{C}$.

Published on 06 May 2026 - 23:33

score 465 · Answer 2 · 2026-05-11 06:40:44

465

Views

Question on minimizing the infimum distance of a point from a non compact set

Published on 11 May 2026 - 6:40

score 318 · Answer 3 · 2026-05-10 09:13:41

318

Views

Is hedgehog of countable spininess separable space?

Published on 10 May 2026 - 9:13

score 73 · Answer 4 · 2026-05-07 11:29:06

73

Views

Lemma 1.8.2 - Convex Bodies: The Brunn-Minkowski Theory

Published on 07 May 2026 - 11:29

score 416 · Answer 5 · 2026-05-12 08:16:16

416

Views

Closure and Subsets of Normed Vector Spaces

Published on 12 May 2026 - 8:16

score 121 · Answer 6 · 2026-05-07 12:50:06

121

Views

Is the following set open/closed/compact in the metric space?

Published on 07 May 2026 - 12:50

score 734 · Answer 7 · 2026-05-11 20:23:15

734

Views

Triangle inequality for metric space where the metric is angles between vectors

Published on 11 May 2026 - 20:23

score 341 · Answer 8 · 2026-05-07 18:29:35

341

Views

continuous surjective function from $n$-sphere to unit interval

Published on 07 May 2026 - 18:29

score 86 · Answer 9 · 2026-05-07 19:56:13

86

Views

Show that $f$ with $f(\overline{x})=0$ is continuous for every $\overline{x}\in[0,1]$.

Published on 07 May 2026 - 19:56

score 846 · Answer 10 · 2026-05-10 14:39:27

846

Views

Help in understanding proof of Heine-Borel Theorem from Simmons

Published on 10 May 2026 - 14:39

score 164 · Answer 11 · 2026-05-11 23:14:28

164

Views

Is the distance between those compact sets equal to $0$?

Published on 11 May 2026 - 23:14

score 184 · Answer 12 · 2026-05-07 12:47:00

184

Views

Bounded sets in a metric space and in a vectorial topological space

Published on 07 May 2026 - 12:47

score 129 · Answer 13 · 2026-05-07 12:47:55

129

Views

Can $\mathbb{Z}_2$ be constructed as the closure of $4\mathbb{Z}+1$?

Published on 07 May 2026 - 12:47

score 325 · Answer 14 · 2026-05-10 13:22:44

325

Views

Contractible balls implies contractible space?

Published on 10 May 2026 - 13:22

score 971 · Answer 15 · 2026-05-11 21:27:27

971

Views

Metric on a linear space is induced by norm if and only if the metric is homogeneous and translation invariant

Published on 11 May 2026 - 21:27

List Question

Show that $d:\mathbb{C}\times\mathbb{C}\rightarrow[0,\infty[$ is a metric on $\mathbb{C}$.

Question on minimizing the infimum distance of a point from a non compact set

Is hedgehog of countable spininess separable space?

Lemma 1.8.2 - Convex Bodies: The Brunn-Minkowski Theory

Closure and Subsets of Normed Vector Spaces

Is the following set open/closed/compact in the metric space?

Triangle inequality for metric space where the metric is angles between vectors

continuous surjective function from $n$-sphere to unit interval

Show that $f$ with $f(\overline{x})=0$ is continuous for every $\overline{x}\in[0,1]$.

Help in understanding proof of Heine-Borel Theorem from Simmons

Is the distance between those compact sets equal to $0$?

Bounded sets in a metric space and in a vectorial topological space

Can $\mathbb{Z}_2$ be constructed as the closure of $4\mathbb{Z}+1$?

Contractible balls implies contractible space?

Metric on a linear space is induced by norm if and only if the metric is homogeneous and translation invariant

Trending Questions

Popular # Hahtags

Popular Questions