New examples of Osserman metrics with nondiagonalizable Jacobi operators |
| |
Authors: | J. Carlos Dí az-Ramos,Ramó n Vá zquez-Lorenzo |
| |
Affiliation: | Department of Geometry and Topology, Faculty of Mathematics, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain |
| |
Abstract: | Explicit examples of Osserman 4-manifolds with exactly two distinct eigenvalues of the Jacobi operators, α and β=4α≠0, are given. The former has multiplicity two and is a double root of the minimal polynomial of the Jacobi operators. |
| |
Keywords: | 53C50 53B30 |
本文献已被 ScienceDirect 等数据库收录! |
|