数学季刊 ›› 2015, Vol. 30 ›› Issue (3): 317-322.doi: 10.13371/j.cnki.chin.q.j.m.2015.03.001
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摘要: Let(M,g) be a smooth compact Riemannian manifold of dimension n.Denote△f=△-▽f.▽ the weighted Laplacian operator,where f is a smooth real valued function on M.When N is finite and the N-Bakry-Emery Ricci tensor is bounded from below by a constant,we establish local gradient estimates for positive solutions of the following simple Lichnerowicz equation△fu+cu-α=0 on a compact Riemannian manifold,where α is a positive constant and c is a smooth function.
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