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math.DG2007★ 19 cited
Comparison Geometry for the Bakry-Emery Ricci Tensor
Guofang Wei, Will Wylie
For Riemannian manifolds with a measure we prove mean curvature and volume comparison results when the -Bakry-Emery Ricci tensor is bounded from belo…
math.DG2007
A Neumann Type Maximum Principle for the Laplace Operator on Compact Riemannian Manifolds
Guofang Wei, Rugang Ye
In this paper we present a proof of a Neumann type maximum principle for the Laplace operator on compact Riemannian manifolds. A key p oint is the simple geometric nature of the co…