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Peter Teichner
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Top Questions
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Top Answers
22
A question on classification of almost complex structures on $4$-manifolds
mathoverflow.net
21
What would the slice-ribbon conjecture imply?
mathoverflow.net
20
Complex orientations on homotopy
mathoverflow.net
20
Failure of smoothing theory for topological 4-manifolds
mathoverflow.net
17
Explanation for the Chern character
mathoverflow.net
13
Natural examples of finite dimensional spaces with interesting 2-type
mathoverflow.net
12
slice-ribbon for links (surely it's wrong)
mathoverflow.net
10
A problem/conjecture related to 4-manifolds that deserves a name. What name does it deserve?
mathoverflow.net
10
How are these algebraic and geometric notions of homotopy of maps between manifolds related?
mathoverflow.net
7
Is the following map from Z(G) x H^3(G, C*) --> H^2(G, C*) ever nontrivial?
mathoverflow.net
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mathoverflow.net