Proves that topologically isotopic surfaces trivial in Z/2-homology are smoothly isotopic after stabilization by S2xS2 sums, and holds for fundamental groups including free products of knot groups and free groups.
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Smooth stable isotopy of topologically isotopic surfaces
Proves that topologically isotopic surfaces trivial in Z/2-homology are smoothly isotopic after stabilization by S2xS2 sums, and holds for fundamental groups including free products of knot groups and free groups.