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James Cranch's user avatar
James Cranch's user avatar
James Cranch's user avatar
James Cranch
  • Member for 14 years
  • Last seen more than a month ago
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About

Teaching fellow at the University of Sheffield. Likes homotopy theory and higher categories.

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44
Simplest examples of rings that are not isomorphic to their opposites
May 9, 2011
29
A combinatorial question about orthonormal bases
Apr 26, 2015
21
If a manifold suspends to a sphere...
May 5, 2011
20
A stronger version of Fermat's last theorem
Mar 31, 2015
15
Saying things rapidly about integer factorisations
Aug 5, 2012
14
Metric properties for $d:X\times X\times\dotsb X\rightarrow\mathbb R$
Jun 20, 2012
13
Can a tangle of arcs interlock in plane?
Aug 27, 2013
11
Isometries between metric spaces
Aug 21, 2011
11
Examples of interesting false proofs
May 19, 2012
10
References for the "nerve of an algebraic variety"
May 14, 2014