Ricci flow and the determinant of the Laplacian on non-compact surfaces

Details Ricci flow and the determinant of the Laplacian on non-compact surfaces Ricci flow and the determinant of the Laplacian on non-compact surfaces

2009-09-04

arxiv.org/abs/0909.0807v2

Mathematics

Differential Geometry

38 pages

Scientific paper

On compact surfaces with or without boundary, Osgood, Phillips and Sarnak proved that the maximum of the determinant of the Laplacian within a conformal class of metrics with fixed area occurs at a metric of constant curvature and, for negative Euler characteristic, exhibited a flow from a given metric to a constant curvature metric along which the determinant increases. The aim of this paper is to perform a similar analysis for the determinant of the Laplacian on a non-compact surface whose ends are asymptotic to hyperbolic funnels or cusps. In that context, we show that the Ricci flow converges to a metric of constant curvature and that the determinant increases along this flow.

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