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- Publications
- Influence
An Infrared Einstein Ring in the Gravitational Lens PG 1115+080*
Hubble Space Telescope observations of the gravitational lens PG 1115+080 in the infrared show the known zl = 0.310 lens galaxy and reveal the zs = 1.722 quasar host galaxy. The main lens galaxy G is… Expand
Harmonic maps from spheres to spheres
A map between Riemannian manifolds is called harmonic if the divergence of its differential vanishes. The problem of harmonic representatives of homotopy groups of the Euclidean spheres is quite… Expand
Differential Geometry and Topology: Proceedings of the Special Year at Nankai Institute of Mathematics, Tianjin, Pr China, 1986-87
- B. Jiang, C. Peng, Z. Hou, Special Year in Geometry
- Mathematics
- 1 June 1989
Dupin submanifolds in lie sphere geometry.- The mean curvatures on the tubular hypersurfaces in a space of constant curvature.- Deformation of surfaces preserving principal curvatures.- Lectures on… Expand