Question

Show that the following metric is complete on $L_1(X,Y)$

score 46 · Answer 1 · 2026-02-23 04:56:33

46

Views

Show that the following metric is complete on $L_1(X,Y)$

Published on 23 Feb 2026 - 4:56

score 22 · Answer 2 · 2023-11-24 14:21:40

22

Views

Ergodic transformations form a $G_\delta$ set in the weak topology of the automorphism group.

Published on 24 Nov 2023 - 14:21

score 78 · Answer 3 · 2024-01-01 02:29:38

78

Views

Erdős-Sierpinski duality in locally compact Polish groups (e.g. $\mathbb{R}^n$)

Published on 01 Jan 2024 - 2:29

score 52 · Answer 4 · 2024-01-02 14:21:46

52

Views

A derived set of a specific countable union of sets

Published on 02 Jan 2024 - 14:21

score 73 · Answer 5 · 2024-01-10 10:01:10

73

Views

Proof of Shelah's Theorem about inaccessible cardinals using Raisonnier Filters

Published on 10 Jan 2024 - 10:01

score 62 · Answer 6 · 2024-01-24 10:27:38

62

Views

Cantor-Bendixson Theorem

Published on 24 Jan 2024 - 10:27

score 32 · Answer 7 · 2026-03-25 10:57:01

32

Views

Simpson's proof of the Gandy Kreisel Tait theorem in $\textbf{ATR}_0$

Published on 25 Mar 2026 - 10:57

score 404 · Answer 8 · 2024-02-06 18:37:46

404

Views

Does satisfaction at all arithmetical sets of a second-order arithmetic formula with no bound predicate variables imply its satisfaction?

Published on 06 Feb 2024 - 18:37

score 74 · Answer 9 · 2024-02-09 12:13:05

74

Views

About the rank of a tree

Published on 09 Feb 2024 - 12:13

score 137 · Answer 10 · 2024-02-10 10:58:27

137

Views

Schindler, 2014: No rapid filter is Lebesgue measurable.

Published on 10 Feb 2024 - 10:58

score 19 · Answer 11 · 2024-02-11 18:52:22

19

Views

Family of intersection compact with open set generates borel of compact sets

Published on 11 Feb 2024 - 18:52

score 59 · Answer 12 · 2026-03-25 23:11:10

59

Views

On the right inverse of a Borel measurable map between two Souslin spaces being Souslin measurable, i.e. mapping open sets back to analytic sets

Published on 25 Mar 2026 - 23:11

score 57 · Answer 13 · 2024-02-19 16:55:55

57

Views

Equivalent condition for measurable filters.

Published on 19 Feb 2024 - 16:55

score 83 · Answer 14 · 2026-02-23 06:38:04

83

Views

Extension of Borel map from a separable metric space to a Polish space

Published on 23 Feb 2026 - 6:38

score 68 · Answer 15 · 2024-02-26 09:47:03

68

Views

Theorem of Shelah about the existence of an inaccessible cardinal

Published on 26 Feb 2024 - 9:47

List Question

Show that the following metric is complete on $L_1(X,Y)$

Ergodic transformations form a $G_\delta$ set in the weak topology of the automorphism group.

Erdős-Sierpinski duality in locally compact Polish groups (e.g. $\mathbb{R}^n$)

A derived set of a specific countable union of sets

Proof of Shelah's Theorem about inaccessible cardinals using Raisonnier Filters

Cantor-Bendixson Theorem

Simpson's proof of the Gandy Kreisel Tait theorem in $\textbf{ATR}_0$

Does satisfaction at all arithmetical sets of a second-order arithmetic formula with no bound predicate variables imply its satisfaction?

About the rank of a tree

Schindler, 2014: No rapid filter is Lebesgue measurable.

Family of intersection compact with open set generates borel of compact sets

On the right inverse of a Borel measurable map between two Souslin spaces being Souslin measurable, i.e. mapping open sets back to analytic sets

Equivalent condition for measurable filters.

Extension of Borel map from a separable metric space to a Polish space

Theorem of Shelah about the existence of an inaccessible cardinal

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