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QSR
  • Member for 9 years, 11 months
  • Last seen more than 7 years ago
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embeddings of product of spheres in Euclidean spaces
@QiaochuYuan Yes. Once I meet a question that I have a solution, I will answer.
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triviality of a $2$-sheeted covering map and the triviality of the associated vector bundle
@FrancescoPolizzi Thanks! but this is not a covering space.
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