Topologically knotted Lagrangians in simply connected four-manifolds

Auckly, Dave

doi:10.1090/S0002-9939-04-07561-6

Topologically knotted Lagrangians in simply connected four-manifolds
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Proc. Amer. Math. Soc. 133 (2005), 885-889 Request permission

Abstract:

Vidussi was the first to construct knotted Lagrangian tori in simply connected four-dimensional manifolds. Fintushel and Stern introduced a second way to detect such knotting. This note demonstrates that similar examples may be distinguished by the fundamental group of the exterior.

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