Geometria Complessa e Geometria Differenziale
Geometria Complessa e Geometria Differenziale
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Ricci flow on cohomogeneity one manifolds

Anusha Krishnan

created by daniele on 09 May 2018
modified on 17 May 2018

23 may 2018 -- 14:30

Aula Tricerri, DiMaI, Firenze

Abstract.

We study the Ricci flow in the setting of cohomogeneity one manifolds, i.e. a Riemannian manifold M with a group G acting isometrically such that the orbit space MG is one-dimensional. Since isometries are preserved under the flow, the evolving metrics continue to be invariant. In several past works, this structure has been utilized to gain new information about the Ricci flow. We will describe the challenges in systematically studying Ricci flow on cohomogeneity one manifolds arising from both the degenerate parabolic nature of the Ricci flow PDE and the structure of invariant metrics on a cohomogeneity one manifold. We will also present a strategy to overcome these.

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