On diffeomorphisms over $T^ 2$-knots
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- by Susumu Hirose PDF
- Proc. Amer. Math. Soc. 119 (1993), 1009-1018 Request permission
Abstract:
For a spun ${T^2}$-knot $({S^4},S(k))$ or a twisted spun ${T^2}$-knot $({S^4},\tilde S(k))$ of a nontrivial knot $k$ in ${S^3}$, there are infinitely many isotopy classes of embeddings of a $2$-torus into a $4$-sphere which have this ${T^2}$-knot as their image. This is shown by solving the following question: Which isotopy classes of diffeomorphisms of $S(k)$ or $({S^4},\tilde S(k))$ have orientation-preserving diffeomorphisms of ${S^4}$ as their extension?References
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Additional Information
- © Copyright 1993 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 119 (1993), 1009-1018
- MSC: Primary 57Q45
- DOI: https://doi.org/10.1090/S0002-9939-1993-1155598-1
- MathSciNet review: 1155598