English

Isotoping 2-spheres in 4-manifolds

Geometric Topology 2014-06-24 v1 Symplectic Geometry

Abstract

Here we discuss an example of topologically isotopic but smoothly non-isotopic pair of 2-spheres in a simply connected 4-manifold, which become smoothly isotopic after stabilizing by connected summing with S^2 x S^2.

Keywords

Cite

@article{arxiv.1406.5654,
  title  = {Isotoping 2-spheres in 4-manifolds},
  author = {Selman Akbulut},
  journal= {arXiv preprint arXiv:1406.5654},
  year   = {2014}
}

Comments

3 pages, 2 figures. Comment on arXiv:1406.4937

R2 v1 2026-06-22T04:44:05.642Z