Minimal graphic functions on manifolds of non-negative Ricci curvature
Qi Ding, Jürgen Jost,and Yuanlong Xin
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Submission date: 19. Feb. 2014 (revised version: February 2014)
published in: Communications on pure and applied mathematics, 69 (2016) 2, p. 323-371
DOI number (of the published article): 10.1002/cpa.21566
with the following different title: Minimal graphic functions on manifolds of nonnegative Ricci curvature
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We study minimal graphic functions on complete Riemannian manifolds Σ with non-negative Ricci curvature, Euclidean volume growth and quadratic curvature decay. We derive global bounds for the gradients for minimal graphic functions of linear growth only on one side. Then we can obtain a Liouville type theorem with such growth via splitting for tangent cones of Σ at inﬁnity. When, in contrast, we do not impose any growth restrictions for minimal graphic functions, we also obtain a Liouville type theorem under a certain non-radial Ricci curvature decay condition on Σ. In particular, the borderline for the Ricci curvature decay is sharp by our example in the last section.