Equivalent non‐isotopic spheres in 4‐manifolds
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DOI: 10.1112/topo.12121
Abstract: We construct infinitely many smooth oriented 4-manifolds containing pairs of homotopic, smoothly embedded 2-spheres that are not topologically isotopic, but that are equivalent by an ambient diffeomorphism inducing the identity on homology. These examples show… read more here.
Keywords: isotopic spheres; non isotopic; equivalent non; topology ... See more keywords