Special Lagrangian Cones
Mark Haskins
Abstract
We study special Lagrangian cones in n with isolated singularities. Our main result constructs an infinite family of special Lagrangian cones in 3 each of which has a toroidal link. We obtain a detailed geometric description of these tori. We prove a regularity result for special Lagrangian cones in 3 with a spherical link -- any such cone must be a plane. We also construct a one-parameter family of asymptotically conical special Lagrangian submanifolds from any special Lagrangian cone.
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