Semi-Riemannian submersions with totally umbilic fibres
arXiv:math/0206014
Abstract
We get obstructions to existence of semi-Riemannian submersions with totally umbilic fibres.
19 pages
arXiv:math/0206014
We get obstructions to existence of semi-Riemannian submersions with totally umbilic fibres.
19 pages