2-Type surfaces inS3
✍
Manuel Barros; Oscar J. Garay
📂
Article
📅
1987
🏛
Springer
🌐
English
⚖ 304 KB
It is proved that the Riemannian product of two plane circles of different radii are the only compact surfaces of the 3-spheres in R 4 which can be constructed in R ' ~ by using eigenfunctions associated with two different eigenvalues of their corresponding Laplacians.