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Will Brian

assistant professor of mathematics at UNC Charlotte

83 answers
9 questions
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  • Charlotte, NC, United States
  • wrbrian.wordpress.com
  • Member for 3 years, 5 months
  • 1,396 profile views
  • Last seen 6 hours ago

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Top Posts (92) All Questions Answers | Votes Newest

101 Tweetable Mathematics Apr 26 '17
64 Bijection from the plane to itself that sends circles to squares Apr 10 '17
39 A topology on $\Bbb R$ where the compact sets are precisely the countable sets Nov 21 '16
34 Which popular games have been studied mathematically? Jan 9
30 Is there a subset of the plane that meets every line in two open intervals? Jul 9 '15
25 Does the axiom of choice follow from the statement “Every simple undirected graph is either connected, or its complement is connected”? Apr 9
22 Continuous images of $\beta \mathbb{N} \setminus\mathbb{N}$ Mar 21
18 Is $[0,1]$ a disjoint union of $\aleph_1$ compact subsets with empty interior? Feb 1
17 Can an injective $f: \Bbb{R}^m \to \Bbb{R}^n$ have a closed graph for $m>n$? Aug 2
17 Is it possible to define higher cardinal arithmetics Aug 18 '16
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