Question

Lebesgue density theorem on the different positive Lebesgue measure sets.

score 259 · Answer 1 · 2016-09-01 19:11:50

259

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Lebesgue density theorem on the different positive Lebesgue measure sets.

Published on 01 Sep 2016 - 19:11

score 386 · Answer 2 · 2026-03-26 07:42:29

386

Views

Example of a topological space which is neither sequential nor $T_0$

Published on 26 Mar 2026 - 7:42

score 188 · Answer 3 · 2016-09-03 02:59:45

188

Views

Example of a first-countable non-$T_1$ compact topological space which is not sequentially compact?

Published on 03 Sep 2016 - 2:59

score 394 · Answer 4 · 2026-03-26 23:11:02

394

Views

Suitable non-countable union of sets with measure zero is still a set of measure zero?

Published on 26 Mar 2026 - 23:11

score 221 · Answer 5 · 2016-09-04 04:07:38

221

Views

Verifying an example of sum of subsets

Published on 04 Sep 2016 - 4:07

score 837 · Answer 6 · 2016-09-05 03:45:58

837

Views

Examples and counterexamples regarding uniform continuity

Published on 05 Sep 2016 - 3:45

score 87 · Answer 7 · 2026-03-29 14:57:39

87

Views

Examples of semi-complements

Published on 29 Mar 2026 - 14:57

score 200 · Answer 8 · 2016-09-07 02:35:46

200

Views

Inequality on six variables

Published on 07 Sep 2016 - 2:35

score 648 · Answer 9 · 2026-03-25 12:30:28

648

Views

Non-isomorphic matroids on 5 elements

Published on 25 Mar 2026 - 12:30

score 62 · Answer 10 · 2016-09-07 19:03:46

62

Views

Counterexample for $\left | f \right |\in\mathcal{R}([a,b])\implies f\in \mathcal{R}([a,b])$

Published on 07 Sep 2016 - 19:03

score 153 · Answer 11 · 2026-03-25 12:34:48

153

Views

Are there matroids with $\mathcal F(M) \subsetneq \mathcal F(M^)$ or $\mathcal C(M) \subsetneq \mathcal C(M^)$?

Published on 25 Mar 2026 - 12:34

score 1.9k · Answer 12 · 2026-03-25 14:32:23

1.9k

Views

Can you explain us a simple example, for a mathematical function, of Kramers–Kronig relations?

Published on 25 Mar 2026 - 14:32

score 825 · Answer 13 · 2026-03-27 14:51:31

825

Views

Non-compact operator $T\in\mathcal{B}(\ell_2)$ with $\|Te_n\|\rightarrow 0$

Published on 27 Mar 2026 - 14:51

score 105 · Answer 14 · 2026-03-26 07:58:40

105

Views

A functor which is limiting-object-preserving but not limit-preserving

Published on 26 Mar 2026 - 7:58

score 2.3k · Answer 15 · 2016-09-09 05:20:05

2.3k

Views

Examples of nonlinear transformations with only multiplicative or additive property but not both.

Published on 09 Sep 2016 - 5:20

List Question

Lebesgue density theorem on the different positive Lebesgue measure sets.

Example of a topological space which is neither sequential nor $T_0$

Example of a first-countable non-$T_1$ compact topological space which is not sequentially compact?

Suitable non-countable union of sets with measure zero is still a set of measure zero?

Verifying an example of sum of subsets

Examples and counterexamples regarding uniform continuity

Examples of semi-complements

Inequality on six variables

Non-isomorphic matroids on 5 elements

Counterexample for $\left | f \right |\in\mathcal{R}([a,b])\implies f\in \mathcal{R}([a,b])$

Are there matroids with $\mathcal F(M) \subsetneq \mathcal F(M^)$ or $\mathcal C(M) \subsetneq \mathcal C(M^)$?

Can you explain us a simple example, for a mathematical function, of Kramers–Kronig relations?

Non-compact operator $T\in\mathcal{B}(\ell_2)$ with $\|Te_n\|\rightarrow 0$

A functor which is limiting-object-preserving but not limit-preserving

Examples of nonlinear transformations with only multiplicative or additive property but not both.

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