Geometry and Topology Seminar

Series: Geometry and Topology Seminar Series

The 4-Dimensional Light Bulb Theorem

David Gabai, Department of Mathematics, Princeton University,

We generalize the classical light bulb theorem to four dimensions. I.e. a smooth 2-sphere in S^2\times S^2 that intersects S^2\times 0 once and is homologous to 0\times S^2 is smoothly isotopically standard.

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