KP Hart

Member for 14 years, 7 months
Last seen this week

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fa.ewi.tudelft.nl/~hart
Delft, the Netherlands

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30

Sets with positive Lebesgue measure boundary

May 26, 2010

23

What are examples of mathematical concepts named after the wrong people? (Stigler's law)

May 11, 2010

19

Is this question about US spaces still an open problem?

Oct 27, 2021

16

Is Stone-Čech compactification of 0-dimensional space also 0-dimensional?

Apr 11, 2012

16

Partition of unity without AC

May 17

Questions

11

Earliest diagonal proof of the uncountability of the reals.

May 8, 2010

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gn.general-topology

782

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set-theory

294

Score

56

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stone-cech-compactification

109

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25

posts

lo.logic

107

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17

posts

boolean-algebras

84

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17

posts

Reputation

+10

Is "All hyperreal fields $C(\mathbb{R})/M$ are isomorphic" independent of ZFC+$\lnot$CH?

+145

Mistake on article about Bohr compactification?

+35

A question about G-Hewitt spaces

+15

Relation between $\mathbb{R}$ and the metric space of bounded functions $f:\mathbb{N}\to\mathbb{N}$

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