Eigenvalues of harmonic almost submersions
| dc.creator | Loubeau, E. | |
| dc.creator | Slobodeanu, R. | |
| dc.date | 2008-09-09 | |
| dc.date.accessioned | 2026-07-07T10:01:55Z | |
| dc.date.available | 2026-07-07T10:01:55Z | |
| dc.description | Maps between Riemannian manifolds which are submersions on a dense subset, are studied by means of the eigenvalues of the pull-back of the target metrics, the first fundamental form. Expressions for the derivatives of these eigenvalues yield characterizations of harmonicity, totally geodesic maps and biconformal changes of metric preserving harmonicity. A Schwarz lemma for pseudo harmonic morphisms is proved, using the dilatation of the eigenvalues and, in dimension five, a Bochner technique method, involving the Laplacian of the difference of the eigenvalues, gives conditions forcing pseudo harmonic morphisms to be harmonic morphisms. | |
| dc.description | 29 pages | |
| dc.identifier | https://arxiv.org/abs/0809.1656 | |
| dc.identifier | http://arxiv.org/abs/0809.1656 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/168793 | |
| dc.subject | Differential Geometry | |
| dc.subject | 58E20; 53C43 | |
| dc.title | Eigenvalues of harmonic almost submersions | |
| dc.type | text |