151

Questions
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5
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Can surfaces be interestingly knotted in five-dimensional space?

jan 21 11 at 10:15 Sergey Melikhov 3,692●12●19

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Are there results from gauge theory known or conjectured to distinguish smooth from PL manifolds?

mar 18 at 5:21 unknown (google) 5,540●6●30

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Is there a canonical Hopf structure on the center of a universal enveloping algebra?

apr 3 10 at 9:53 Bugs Bunny 4,942●3●18

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3
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700
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How cavalier can I be when demanding a category have direct sums?

feb 15 10 at 21:07 Reid Barton 14.4k●1●29●86

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What are the points of Spec(Vassiliev Invariants)?

apr 1 10 at 7:49 Dylan Thurston 3,544●10●22

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Zeta-function regularization of determinants and traces

dec 18 11 at 22:13 Jose Javier Garcia 1

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5
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805
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Is there a topological description of combinatorial Euler characteristic?

oct 29 09 at 14:06 Robert Ghrist 126●1

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2
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404
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What are the higher morphisms between enriched higher categories?

sep 10 at 3:15 Mike Shulman 17.2k●20●70

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3
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440
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Is every saft category cocomplete?

dec 13 10 at 20:58 Todd Trimble 22.4k●1●63●97

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3
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422
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What happens to Newtonian systems as the mass vanishes?

nov 12 09 at 1:42 Semyon Dyatlov 198●1●6

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