中文

光滑度量测度空间上的Liouville型定理

微分几何 2011-01-17 v2

摘要

对于光滑度量测度空间(M,g,efdvol)(M, g, e^{-f} dvol),当Bakry-Emery Ricci张量非负时,我们证明了一个Liouville型定理。这推广了Yau的一个结果,当ff为常数时即恢复该结果。该结论源于光滑度量测度空间上Bakry-Emery Ricci张量有下界时f-调和函数的梯度估计。

关键词

引用

@article{arxiv.1006.0751,
  title  = {A Liouville-type Theorem for Smooth Metric Measure Spaces},
  author = {Kevin Brighton},
  journal= {arXiv preprint arXiv:1006.0751},
  year   = {2011}
}

备注

7 pages. The proofs are modified to remove the assumption that f is bounded. An example is included demonstrating necessity of the remaining assumptions and the exposition is revised to correct typos and increase readability