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# Yang Li : On the Donaldson-Scaduto conjecture

Motivated by G2-manifolds with coassociative fibrations in the adiabatic limit, Donaldson and Scaduto conjectured the existence of associative submanifolds homeomorphic to a three-holed 3-sphere with three asymptotically cylindrical ends in X \times R^3, where X is an A2-type ALE hyperkähler manifold. We prove this conjecture by solving a real Monge-Ampère equation with singular right hand side. The method produces many other asymptotically cylindrical U(1)-invariant special Lagrangians in X \times R^2, where X arises from the Gibbons-Hawking construction. This is joint work in progress with Saman Habibi Esfahani.

**Category**: Geometry and Topology**Duration**: 01:03:17**Date**: December 4, 2023 at 3:10 PM**Views**: 708-
**Tags:**seminar, Geometry and Topology Seminar

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