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Charlie Frohman's user avatar
Charlie Frohman's user avatar
Charlie Frohman's user avatar
Charlie Frohman
  • Member for 14 years, 9 months
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please delete me

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26
How to motivate the skein relations?
Apr 5, 2010
question
19
What happened to the Vacuum Hypothesis in TQFT?
Mar 7, 2010
answer
17
What should be taught in a 1st course on smooth manifolds?
Mar 20, 2011
answer
15
Why don't quaternions have an overall phase?
Mar 6, 2010
question
14
Does every $SL_2\mathbb{C}$ representation of a closed oriented surface extend over a compact oriented three-manifold?
Feb 23, 2020
answer
14
Is there a volume conjecture for closed 3-manifolds?
Mar 6, 2010
answer
12
Cobordism categories that don't involve manifolds
Mar 26, 2011
answer
11
How to demonstrate $SO(3)$ is not simply connected?
Apr 29, 2010
answer
10
Trace identities and the Kauffman Bracket skein module
Jun 26, 2011
answer
10
When does a CW-complex of dimension 2 embed in $\Bbb R^4$?
Mar 28, 2010
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19
Why aren't complex vector bundles isomorphic to their duals?
12
Is the sum of two irrational numbers almost always irrational?
11
Why is the winding number of a matrix an integer?
9
Why does there exist a lift from $RP(2)$ to $S^2$?
6
Morse theory Vs degree theory