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Will Brian's user avatar
Will Brian's user avatar
Will Brian
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associate professor of mathematics at UNC Charlotte

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130
Tweetable Mathematics
Apr 26, 2017
66
Bijection from the plane to itself that sends circles to squares
Apr 10, 2017
48
When can one continuously prescribe a unit vector orthogonal to a given orthonormal system?
Nov 5, 2018
45
Which popular games have been studied mathematically?
Jan 9, 2018
43
Are all free ultrafilters 'the same' in some sense?
Dec 10, 2021
42
List of crowdsourced math projects actively seeking participants
Sep 23, 2025
40
A topology on $\Bbb R$ where the compact sets are precisely the countable sets
Nov 21, 2016
34
Can $[0,1]^4$ be partitioned into copies of $(0,1)^3$?
Aug 26, 2021
32
Is it possible to define higher cardinal arithmetics
Aug 18, 2016
30
Is there a subset of the plane that meets every line in two open intervals?
Jul 9, 2015