Gravitational Instantons, Weyl Curvature, and Conformally Kahler Geometry

Abstract: This talk will describe my recent joint work with Olivier Biquard and Paul Gauduchon on ALF Ricci-flat Riemannian 4-manifolds that are not hyper-Kahler. Our main result largely characterizes the known solutions in terms of an open, purely Riemannian curvature condition.

algebraic geometryanalysis of PDEsalgebraic topologycomplex variablesdifferential geometrygeneral topologygeometric topologyK-theory and homologymetric geometrysymplectic geometry

Audience: researchers in the topic

Comments: We will have two seminars on the 6th of October ! 11 am : Claude Lebrun 2 pm : Simone Gutt

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CRM - Séminaire du CIRGET / Géométrie et Topologie

Series comments: Hybrid seminar of geometry and topology. Laboratory : CIRGET - www.cirget.uqam.ca The homepage of the seminar is www.cirget.uqam.ca/fr/seminaires.html

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