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Olivier Biquard: Renormalized volume for ALE Ricci-flat 4-manifolds

Time: Tue 2019-11-12 10.00 - 11.00

Location: Seminar Hall Kuskvillan, Institut Mittag-Leffler

Participating: Olivier Biquard, Ecole normale supérieure of Paris

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Abstract

We introduce a renormalized volume for ALE Ricci-flat 4-manifolds, and prove that is satisfies an inequality, with equality only in the case of a cone. Joint work with Hans-Joachim Hein.