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James Cranch's user avatar
James Cranch's user avatar
James Cranch's user avatar
James Cranch
  • Member for 4 years, 2 months
  • Last seen more than a month ago
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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
29
A combinatorial question about orthonormal bases
21
If a manifold suspends to a sphere...
15
Saying things rapidly about integer factorisations
13
Can a tangle of arcs interlock in plane?