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Charlie Frohman

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19 How to motivate the skein relations? Apr 5 '10
18 What happened to the Vacuum Hypothesis in TQFT? Mar 7 '10
16 What should be taught in a 1st course on smooth manifolds? Mar 20 '11
15 Why don't quaternions have an overall phase? Mar 6 '10
14 Does every $SL_2\mathbb{C}$ representation of a closed oriented surface extend over a compact oriented three-manifold? Feb 23
13 Is there a volume conjecture for closed 3-manifolds? Mar 6 '10
11 How to demonstrate $SO(3)$ is not simply connected? Apr 29 '10
11 Cobordism categories that don't involve manifolds Mar 26 '11
10 Trace identities and the Kauffman Bracket skein module Jun 26 '11
10 When does a CW-complex of dimension 2 embedd in $R^4$ ? Mar 28 '10
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