arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1001.0936math.DGmath.AG
收藏

椭圆主丛上的LCK度量

LCK metrics on elliptic principal bundles

Victor Vuletescu

摘要:

对于Kähler流形上的椭圆主丛$π:X\ra B$,Blanchard证明了$X$有Kähler度量当且仅当$π$的两个陈类(实系数)为零。对于某些椭圆主丛,当这些Chern类的跨距是1维时,Vaisman证明了$X$局部共形地携带Kähler(简称LCK)度量.我们表明,在陈类线性无关的情况下,$X$进行没有LCK度量。

英文摘要:

For elliptic principal bundles $π:X\ra B$ over Kähler manifolds it was shown by Blanchard that $X$ has a Kähler metric if and only both Chern classes (with real coefficients) of $π$ vanish. For some elliptic principal bundles, when the span of these Chern classes is 1-dimensional, it was shown by Vaisman that $X$ carry locally conformally Kähler (LCK, for short) metrics. We show that in the case when the Chern classes are linearly independent, $X$ carries no LCK metric.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑