The second homotopy group of spun 2-spheres in 4-space
Authors:
J. J. Andrews and S. J. Lomonaco
Journal:
Bull. Amer. Math. Soc. 75 (1969), 169-171
DOI:
https://doi.org/10.1090/S0002-9904-1969-12194-4
MathSciNet review:
0235559
Full-text PDF Free Access
References | Additional Information
- 1. J. J. Andrews and M. L. Curtis, Knotted 2-spheres in the 4-sphere, Ann. of Math. (2) 70 (1959), 565–571. MR 107239, https://doi.org/10.2307/1970330
- 2. Emil Artin, Zur Isotopie zweidemensionaler Flachen im R4, Abh. Math. Sem. Univ. Hamburg 4 (1925), 174-177.
- 3. D. B. A. Epstein, Linking spheres, Proc. Cambridge Philos. Soc. 56 (1960), 215–219. MR 117740, https://doi.org/10.1017/s0305004100034496
- 4. Ralph H. Fox, Free differential calculus. I. Derivation in the free group ring, Ann. of Math. (2) 57 (1953), 547–560. MR 53938, https://doi.org/10.2307/1969736
- 5. Ralph H. Fox, Free differential calculus. III. Subgroups, Ann. of Math. (2) 64 (1956), 407–419. MR 95876, https://doi.org/10.2307/1969592
- 6. R. H. Fox, Some problems in knot theory, Topology of 3-manifolds and related topics (Proc. The Univ. of Georgia Institute, 1961) Prentice-Hall, Englewood Cliffs, N.J., 1962, pp. 168–176. MR 0140100
- 7. C. D. Papakyriakopoulos, On Dehn’s lemma and the asphericity of knots, Ann. of Math. (2) 66 (1957), 1–26. MR 90053, https://doi.org/10.2307/1970113
- 8. D. L. Sumners, On π2 of S2 in S4 (to appear).
Additional Information
DOI:
https://doi.org/10.1090/S0002-9904-1969-12194-4
