单李群上自然约化度量的谱隔离
微分几何
2010-06-29 v2 谱理论
摘要
我们证明,在紧单李群 上的左不变自然约化度量类 中,每个度量都是谱隔离的。我们还观察到,任何等谱紧对称空间的集合都是有限的;这一结论源于一个仅涉及谱的有限部分的更强陈述。
引用
@article{arxiv.0707.0853,
title = {Spectral isolation of naturally reductive metrics on simple Lie groups},
author = {Carolyn S. Gordon and Craig J. Sutton},
journal= {arXiv preprint arXiv:0707.0853},
year = {2010}
}
备注
19 pages, new title and abstract, revised introduction, new result demonstrating that any collection of isospectral compact symmetric spaces must be finite, to appear Math Z. (published online Dec. 2009)