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›› 2016, Vol. 33 ›› Issue (1): 9-15.DOI: 10.7523/j.issn.2095-6134.2016.01.002

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A method for construction of homogeneous 3-spheres in complex Grassmanians

HE Si, XIAO Liang   

  1. School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2014-11-14 Revised:2015-03-17 Online:2016-01-15

Abstract:

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

CLC Number: