We prove that if φ is a homogeneous harmonic map from a Riemann surface M into a complex Grassmann manifold G（k, n）, then the maps of the harmonic sequences generated by φ are all homogeneous.
基金This work was supported in part by the National Natural Science Foundation of China （Grant No. 11401481） and the Research Development Fund of XJTLU （Grant No. RDF13-01-14）.
文摘We prove that if φ is a homogeneous harmonic map from a Riemann surface M into a complex Grassmann manifold G（k, n）, then the maps of the harmonic sequences generated by φ are all homogeneous.
