中文

满足$(\kappa,\mu)$-零化条件的度量$f$-接触流形

微分几何 2020-05-19 v1

摘要

我们证明,若(2n+s)(2n+s)ff-(κ,μ)(\kappa,\mu)流形(n>1n>1)在任一点pp处的ff-截面曲率与pp处的ff-截面无关,则其在流形上为常数。此外,我们还证明:非SS-流形的ff-(κ,μ)(\kappa,\mu)流形具有常ff-截面曲率当且仅当μ=κ+1\mu=\kappa+1,并给出曲率张量场的显式表达式。最后,我们给出若干例子。

关键词

引用

@article{arxiv.2005.08643,
  title  = {Metric $f$-contact manifolds satisfying the $(\kappa,\mu)$-nullity condition},
  author = {Alfonso Carriazo and Luis M. Fernández and Eugenia Loiudice},
  journal= {arXiv preprint arXiv:2005.08643},
  year   = {2020}
}