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Questions
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Beamer printout

nov 13 at 17:20 Andrew Stacey 16k●1●40●110

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Do you find your students are less competent in basic algebra and arithmetic, and, if so, do you believe that this is due to overuse of calculators at an early level? [closed]

mar 1 12 at 1:29 Yemon Choi 8,456●1●19●44

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Braided Monoidal 2-categories with duals

may 15 at 0:24 Hiro Lee Tanaka 1,383●7●14

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Why are Lie Algebras/ Lie Groups so much like crossed modules, and not?

may 30 10 at 23:33 Theo Johnson-Freyd 22.3k●2●27●110

 
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Is the category of tangles that includes, X, Y, and Lambda a free Frobenius braided category?

jul 24 11 at 20:37 Scott Carter 3,448●1●9●23

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Which closed orientable $4$-dimensional manifolds cannot be embedded in $6$-space?

mar 11 12 at 4:11 Igor Rivin 31.2k●3●37●71

 
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Branched Coverings of the $4$-sphere branched along a knotted surface

aug 20 at 2:34 Scott Carter 3,448●1●9●23

 
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What is the historical connection between Zeeman’s twist spinning and Fox’s Examples?

feb 5 at 14:06 quid 13.3k●31●51