151

Questions
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8
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What is the symbol of a differential operator?

mar 5 10 at 16:25 Steve Huntsman 8,149●1●22●56

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17
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7
answers
3k
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Why is Lie’s Third Theorem difficult?

aug 12 11 at 4:33 amine 431●2●9

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6
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What does “quantization is not a functor” really mean?

feb 27 10 at 16:41 David Jordan 4,080●7●23

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19
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2
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What’s the current state of the classification of not-fully-extended TQFTs?

jul 18 10 at 16:30 Jacob Lurie 6,259●24●36

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10
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What does the generating function $x/(1 - e^{-x})$ count?

mar 9 10 at 9:06 Bruce Westbury 6,645●2●10●25

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19
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6
answers
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Examples of applications of the Borel-Weil-Bott theorem?

jan 9 10 at 23:17 Ben Webster♦ 20.7k●1●44●114

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3
answers
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Can every manifold be given an analytic structure?

dec 13 09 at 22:17 Scott Morrison♦ 4,460●4●26●44

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7
answers
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Why should I prefer bundles to (surjective) submersions?

jan 24 11 at 3:29 John Klein 7,216●19●28

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2
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What’s so special about the forgetful functor from G-rep to Vect?

sep 8 10 at 20:12 Jacob Lurie 6,259●24●36

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7
votes
4
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When is a Riemannian metric equivalent to the flat metric on $\mathbb R^n$?

dec 6 09 at 22:22 Kevin Lin 12.9k●2●34●115

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