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Complex Analysis and Geometry Seminar

Lie algebraic curvature conditions preserved by Hermitian curvature flow

Yury Ustinovskiy, Princeton University

Location:  HILL 705
Date & time: Friday, 27 October 2017 at 10:30AM - 11:30AM

 Abstract:   Ricci flow is know to preserve many natural curvature positivity conditions. These include positivity of the Ricci curvature in dimension 3, positivity of the curvature operator, positivity of the bisectional holomorphic curvature in the Kahler setting. In 2009 Streets and Tian have introduced a family of metric flows on general Hermitian manifolds, generalizing the Kahler-Ricci flow. We prove that for a specific flow in this family many natural curvature conditions are preserved. This result gives a possible approach to a weak differential-geometrical version of Campana-Peternell conjecture, which in its original form states that a Fano manifold with nef tangent bundle is rational homogeneous.

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Department of Mathematics

Department of Mathematics
Rutgers University
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