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Title:
Gravitational Instantons, Bubbling Modes, and the Geometrization of 4-Manifolds

Speaker:
Claude Lebrun

Abstract:
Given a smooth compact manifold, one would like to equip it with a Riemannian metric which is "as flat as possible," as measured by some natural curvature functional. Dimension 4 turns out to be completely

Link:
http://scgp.stonybrook.edu/video_portal/video.php?id=634

Workshop:
Simons- Workshop - Hyper Kahler Geometry