Revival - Badge - MathOverflow

Revival

Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.

Peter Teichner

1,64619 silver badges15 bronze badges

earned this badge 4 times.

A question on classification of almost complex structures on $4$-manifolds

Awarded Jun 25, 2013 at 3:43

Is the following map from Z(G) x H^3(G, C*) --> H^2(G, C*) ever nontrivial?

Awarded Jun 25, 2013 at 3:43

Natural examples of finite dimensional spaces with interesting 2-type

Awarded Jun 25, 2013 at 3:43

slice-ribbon for links (surely it's wrong)

Awarded Jun 25, 2013 at 3:43

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