A Liouville-Type Theorem for Smooth Metric Measure Spaces
A Liouville-Type Theorem for Smooth Metric Measure Spaces
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DOI:
10.1007/s12220-011-9253-5
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发表时间:
2013-04-01
影响因子:
1.1
通讯作者:
Brighton, Kevin
中科院分区:
文献类型:
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作者:
Brighton, Kevin
For smooth metric measure spaces (M,g,e (-f) d (vol) ) we prove a Liouville-type theorem when the Bakry-Emery Ricci tensor is nonnegative. This generalizes a result of Yau, which is recovered in the case f is constant. This result follows from a gradient estimate for f-harmonic functions on smooth metric measure spaces with Bakry-Emery Ricci tensor bounded from below.