Homotopy versus isotopy: 2-spheres in 5-manifolds

HIGHLIGHTS

• What: Using the analogous fibration sequence Emb* (S 2, N ) → Emb(S 2, N ) → N, the authors show that there is an isomorphism i rel:π1 (Map* (S 2, N ),Emb* (S 2, N ),U* ) ~= π1 (Map(S 2, N ),Emb(S 2, N ),U ). The authors examine some examples of free isotopy classes of essential 2-spheres: Example.
• Who: Danica Kosanović and Rob Schneiderman and Peter Teichner from the (UNIVERSITY) have published the paper: Homotopy versus isotopy: 2-spheres in 5-manifolds, in the Journal: (JOURNAL)

SUMMARY

The authors consider . . .

 



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