Blog 070621: Gukov

3-manifolds [math]\displaystyle{ M }[/math]	Algebraic number fields [math]\displaystyle{ K }[/math]
[math]\displaystyle{ H^n(M) }[/math]	[math]\displaystyle{ H^n_{et}(\operatorname{Spec}{\mathcal O}_k, G_n) }[/math] (vanishes for [math]\displaystyle{ n\gt 3 }[/math])

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