收稿日期: 2014-11-14
修回日期: 2015-03-17
网络出版日期: 2016-01-15
基金资助
国家自然科学基金(11331002)资助
A method for construction of homogeneous 3-spheres in complex Grassmanians
Received date: 2014-11-14
Revised date: 2015-03-17
Online published: 2016-01-15
证明复Grassman流形中的齐性三维球面可以作为一个三维的ρ(SU(2))轨道,然后利用SU(2)和SU(2)×SU(2) 的表示理论给出具体构造这种齐性三维球面的方法。
关键词: 表示论; SU(2); SU(2)× SU(2); 齐性三维球面; 复Grassman流形
何思 , 肖良 . 复Grassman流形中齐性三维球面的一种构造[J]. 中国科学院大学学报, 2016 , 33(1) : 9 -15 . DOI: 10.7523/j.issn.2095-6134.2016.01.002
In this paper, we show that any homogeneous 3-sphere in complex Grassmanians must be a 3-dimensional ρ(SU(2))-orbit in complex Grassmanians. Then we use the representation theory of SU(2) and SU(2)×SU(2) to present a method for the construction of homogeneous 3-spheres in complex Grassmanians.
Key words: representation theory; SU(2); SU(2)×; SU(2); homogeneous 3-spheres; complex Grassmanians
[1] Bando S, Ohnita Y.Minimal 2-spheres with constant curvature in CPn[J].J Math Soc Japan,1987,39(3):477-487.
[2] Li H Z,Wang C P,Wu F E. The classification of homogeneous 2-spheres in CPn[J]. Asian Journal of Mathematics,2001,5(1):93-108.
[3] Fei J, Jiao X X, Xiao L, et al. On the classification of homogeneous 2-spheres in complex Grassmannians[J]. Osaka J Math, 2013,50(1):135-152.
[4] Hall B C. Lie groups, Lie algebras, and representations: an elementary introduction[M]. GTM 222, New York: Springer-Verlag,2003.
/
| 〈 |
|
〉 |